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1
SAFETY CONSIDERATIONS
You must carefully read and understand this entire manual before using your Galileo.
Diving has many inherent risks. Even if you follow the instructions of this manual in a careful
manner, it is still possible that you may be seriously injured or die from decompression
sickness, oxygen toxicity or some other inherent risk of scuba diving with Nitrox or
compressed air. Unless you are fully aware of these risks and are willing to personally accept
and assume responsibility for those risks, do not use Galileo.
Guidelines for the use of Galileo:
The following guidelines for using Galileo are derived from the latest medical research and
the recommendations of the American Academy of Underwater Sciences for diving with
diving computers.
Following these guidelines will greatly increase your safety while diving, but cannot guarantee
that decompression sickness or oxygen toxicity will not occur.
• Galileoisdesignedfordiveswithcompressedair(21%O
2
)andNitrox(22to100%O
2
)
only. Do not use Galileo for dives made with other mixed gases.
• Itisabsolutelynecessarytocheckthesetmixturebeforeeachdiveandtocompareit
to the gas mixture currently used. Always remember: setting an incorrect mixture carries
an inherent risk of decompression sickness and/or oxygen toxicity! Maximum deviation
fromthemeasuredmixturemustnotexceed1%O
2
. An incorrect gas mixture can be
lethal!
• OnlyuseGalileowithopen-circuitbreathingsystems.
• OnlyuseGalileofordivingwithanindependentbreathingapparatus.Galileoisnot
designedforlong-termexposureswithNitrox.
• Alwaysobservethevisualandaudiblealarmsignals.Avoidsituationsofincreasedrisk
which are marked with a warning sign in this operating manual.
• GalileohasappO
2
warning.Thedefaultlimitissetat1.4barppO
2
max.Itcanbe
changedbetween1.2and1.6bar.
• Frequentlycheckthe“oxygenclock”(CNSO
2
).AscendandnishthediveiftheCNSO
2
exceeds75%.
• NeverdivedeeperthantheMaximumOperatingDepth(MOD)pertinenttothegas
mixture in use.
• Alwayscheckthedivinglimitsconsideringtheoxygencontentandstandardsports
divingprocedures(decompressionsickness,oxygentoxicity).
• Inaccordancewiththerecommendedmaximumdivinglimitofallinstructionalagencies,
donotdivedeeperthan40m/130ft.
• Thedangerofnitrogennarcosishastobetakenintoconsideration.Galileogivesno
warning about this.
• Onalldives,withorwithoutdivecomputer,makeasafetystopforatleast3minutesat
5m/15ft.
• Alldiversusingdivecomputerstoplandivesandindicateordeterminedecompression
status must use their own computer, which they take with them on all dives.
• IfGalileofailsatanytimeduringthedive,thedivemustbeterminated,andappropriate
surfacingprocedures(includingaslowascentanda3to5minutesafetystopat
5m/15ft)shouldbeinitiatedimmediately.
• Complywiththeascentrateandcarryoutanydecompressionstoprequired.Ifthe
computershouldfailforanyreason,youmustascendatarateof10m/30ftperminute
or less.
• Onanygivendive,bothdiversinabuddypairmustfollowthemostconservativedive
computer for that particular dive.
•Neverdivewithoutabuddy.Galileodoesnotsubstituteforadivebuddy.
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2
•Onlymakedivesthatareappropriatetoyourlevelofdivetraining.Galileodoesnot
increase your knowledge of diving.
•Alwaysdivewithback-upinstruments.Makesurethatyoualwaysuseback-up
instrumentation including a depth gauge, submersible pressure gauge, digital bottom
timer or dive watch, and have access to decompression tables whenever diving with a
dive computer.
•Avoidrepeatedascentsanddescents(yo-yodiving).
• Avoidrepeatedheavyworkloadwhileatdepth.
• Planthedivestobeshorteriftheyaremadeincoldwater.
• Afternishingthedecompressionorattheendofano-stopdive,thenalstageofthe
ascent should be as slow as possible.
• YouMUSTbefamiliarwithallsignsandsymptomsofdecompressionsicknessbefore
usingGalileo!SeekIMMEDIATEtreatmentfordecompressionsicknessshouldany
of these signs or symptoms occur after a dive! There is a direct correlation between
the effectiveness of treatment and the delay between the onset of symptoms and the
treatment for decompression sickness.
• OnlydivewithNitroxafteryouhavebeenthoroughlyinstructedbyarecognized
institution.
Repetitive dives
• DonotstartyournextdivebeforeyourCNSO
2
%statushasdroppedbelow40%.
• WhendivingwithNitrox,makesureyoursurfaceintervalislongenough(justlikediving
withcompressedair).Planforaminimumsurfaceintervaloftwohours.Oxygen,too,
needs sufficient time to leave the body.
• Matchgasmixturetotheintendeddive.
• Donotattemptarepetitivediveiftheno-divewarning
is visible on the display.
• Planadaywithoutdivingonceaweek.
• Ifyouhavetochangecomputers,waitatleast48hoursbeforecarryingoutyournext
dive.
• Divingafteraresetoftheremainingsaturationmayleadyouintopotentiallyhazardous
situations which could result in death or serious injury. After a reset of the remaining
saturationdonotdiveforatleast48hours.
Altitude and diving
• Donotdiveataltitudeshigherthan4,000m/13,000ft.
• AfteradivedonotrisetoaltitudesthatGalileoprohibitsviathealtituderangeindicator.
Flying after diving
• Afterdiving,waitatleast24hourspriortoying.
Important notice to individuals with pacemakers, defibrillators or other implanted electronic devices.Individuals
whohaveapacemakerusetheUWATECGalileodivecomputerattheirownrisk.Beforestartinguse,werecommenda
maximal exercise stress test under a doctor’s supervision. The test is to ensure the safety and reliability of the simultaneous
use of the pacemaker and the Galileo dive computer.
Galileo dive instrument is a personal protective equipment in compliance with the essential safety
requirementsoftheEuropeanUniondirective89/686/EEC.RINASpA,ViaCorsica12,I-16128Genoa,
notiedbodyno.0474,havecertiedtheconformitywiththeEuropeanStandardEN250:2000andEN
13319:2000.
EN 250:2000 Respiratory equipment. Open-circuit self contained compressed air diving apparatus.
Requirements,testing,marking(pressuregaugetest).
EN13319:2000Divingaccessories.Depthgaugesandcombineddepthandtimemeasuringdevices.
Functional and safety requirements, test methods. Any information on decompression obligation
displayedbyequipmentcoveredbythisstandardisexplicitlyexcludedfromitsscope.
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English
WelcometoUWATECdivecomputersandthankyouforpurchasingGalileo.Youarenow
the owner of an extraordinary partner for your dives. This manual provides you easy access
toUWATECstateofthearttechnologyandGalileo’skeyfeaturesandfunctions.Shouldyou
wishtoknowmoreaboutSCUBAPROUWATECdivingequipment,pleasevisitourwebsite
www.scubapro.com.
!
WARNING
- Galileo has a depth rating of 330m/1084ft in GAUGE mode only.
- As a decompression computer Galileo functions to a depth of 120m/394ft only.
- At depths between 115m/377ft and 120m/394ft in computer mode the message SWITCHING TO
GAUGE appears on the display and at depths over 120m/394ft Galileo will automatically switch to
GAUGE mode and cannot be used as decompression computer for the remainder of the dive.
- Diving at oxygen partial pressures higher than 1.6bar (corresponding to a depth of 67m/220ft when
breathing compressed air) is extremely dangerous and could lead to serious injury or death.
TABLE OF CONTENTS
Safety considerations ...................................................................................................1
Guidelines for the use of Galileo ...........................................................................1
1. Introduction to Galileo ............................................................................................6
1.1 Glossary ....................................................................................................7
1.2 Operatingmodes ......................................................................................9
1.3 TurningonGalileoandtimeofdaydisplay .................................................9
1.4 Altitudealarmaftera dive ........................................................................10
1.5 No-divewarningafteradive ....................................................................10
1.6 SOS ........................................................................................................10
1.7 Replaceablebattery................................................................................11
1.8 Screencongurationoptions ...................................................................12
1.9 Buttonoperation .....................................................................................13
1.10 Buttonfunctionsonthesurface ...............................................................13
1.11 Mountingandpairingofthehigh-pressuretransmitter .............................13
1.12 Gassummarytable .................................................................................15
1.13 TurningoffGalileo ....................................................................................15
2. Menus, settings and functions ...........................................................................16
2.1 Mainmenudescription ............................................................................17
2.2 Settingtheoxygenconcentration ...........................................................17
2.3 Divesettings ............................................................................................18
2.3.1 MBlevel ...................................................................................18
2.3.2 Gaugemode ............................................................................18
2.3.3 Safetystoptimer ......................................................................18
2.3.4 ppO
2
max .................................................................................18
2.3.5 Nitroxresettime .......................................................................19
2.3.6 Watertype ...............................................................................19
2.3.7 Desaturationreset ....................................................................20
2.3.8 All-silentmode .........................................................................20
4
2.4 Digitalcompass .......................................................................................21
2.4.1 Usingthecompassonthesurface ...........................................21
2.4.2 Settingtheauto-offtime ...........................................................21
2.4.3 Settingthedeclination ..............................................................22
2.5 Altimeter ..................................................................................................22
2.6 Warningsettings .....................................................................................23
2.6.1 Maximumdepth .......................................................................24
2.6.2 CNSO
2
=75%.........................................................................24
2.6.3 No-stop=2minutes ................................................................25
2.6.4 Enteringdecompression ..........................................................26
2.6.5 Divetimeandturn-aroundtime ................................................26
2.6.6 Tankpressure...........................................................................27
2.6.7 RBT=3minutes ......................................................................28
2.6.8 Pressuresignal .........................................................................28
2.6.9 Enteringlevelstops ..................................................................29
2.6.10 MBstopignored ......................................................................29
2.6.11 MBlevelreduced .....................................................................30
2.6.12 L0no-stoptime=2minuteswhendivinganMBlevel ..............30
2.6.13 EnteringdecowhendivinganMBlevel ....................................31
2.7 Clocksettings .........................................................................................31
2.7.1 Wake-upalarm.........................................................................32
2.7.2 Time ........................................................................................32
2.7.3 Timezone ................................................................................32
2.8 Othersettings ..........................................................................................32
2.8.1 Deviceinformation ...................................................................32
2.8.2 Gasintegration .........................................................................32
2.8.3 Backlightduration ....................................................................33
2.8.4 Displaycontrast .......................................................................34
2.8.5 IrDAspeed ...............................................................................34
2.8.6 Watercontacts .........................................................................34
2.8.7 Reverttofactorysettings .........................................................35
2.9 Personalization ........................................................................................35
2.9.1 Screenconguration ................................................................35
2.9.2 Language .................................................................................35
2.9.3 Start-uppicture ........................................................................36
2.9.4 Units ........................................................................................36
2.9.5 Workload .................................................................................36
2.9.6 Ownerinformation ...................................................................36
2.9.7 Emergencyinformation ............................................................36
2.10 Pictures ...................................................................................................37
2.11 Diveplanner ............................................................................................37
2.11.1 Planningano-stopdive............................................................38
2.11.2 Planningadecompressiondive ................................................38
2.12 Reviewingthelogbook ............................................................................38
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English
3. Diving with Galileo ................................................................................................40
3.1 Nitrox .....................................................................................................40
3.2 Alarms .....................................................................................................40
3.2.1 Ascentrate .............................................................................41
3.2.2 MOD/ppO
2
...............................................................................42
3.2.3 CNSO
2
=100%.......................................................................43
3.2.4 Misseddecompressionstop ....................................................44
3.2.5 RBT=0minutes ......................................................................44
3.2.6 Lowbattery ..............................................................................45
3.3 Displayinformation ..................................................................................46
3.3.1 Descriptionofentries ..............................................................46
3.3.2 CLASSICscreenconguration .................................................49
3.3.3 LIGHTscreenconguration ......................................................49
3.3.4 FULLscreenconguration .......................................................50
3.4 SpecialfunctionscommontoCLASSIC,
LIGHTandFULLcongurations ...............................................................51
3.4.1 Accessingandusingthedigitalcompass .................................51
3.4.2 Settingbookmarks ...................................................................52
3.4.3 Safetystoptimer ......................................................................52
3.4.4 Viewingdiveprole,individualcompartmentsaturation
and pictures ............................................................................53
3.4.5 Activatingthebacklight ............................................................54
3.5 DivingwithMBlevels ...............................................................................54
3.5.1 MBGlossary ............................................................................55
3.5.2 Displayinformation ...................................................................56
3.5.3 DisplayofunderlyingL0decompressioninformation ................56
3.5.4 CascadingMBlevels ................................................................57
3.5.5 Levelstopignored/MBlevelreduced........................................57
3.6 Altitudeandthedecompressionalgorithm ...............................................58
3.6.1 Prohibitedaltitude ....................................................................58
3.6.2 Decompressiondivesinmountainlakes ...................................59
3.7 Gaugemode ...........................................................................................59
3.8 Buttonfunctionoverview .........................................................................61
4. Galileo and SmartTRAK (PC interface) ...............................................................62
4.1 IntroductiontoSmartTRAK ......................................................................62
4.2 Changingsettings ...................................................................................63
4.3 Downloadingdivesandorganizingyourlogbook .....................................64
4.4 Uploadingpictures ..................................................................................65
4.5 Uploadinglanguages ...............................................................................66
4.6 Updatingorupgradingthermware ........................................................66
5. Taking care of Galileo ...........................................................................................67
5.1 Technicalinformation ...............................................................................67
5.2 Maintenance ...........................................................................................67
5.2.1 ReplacingthebatteryinGalileo ................................................67
5.2.2 ReplacingthebatteryintheSmarttransmitter ..........................68
5.3 Warranty..................................................................................................69
5.4 Index .......................................................................................................70
1. Introduction to Galileo
6
1. Introduction to Galileo
1. INTRODUCTION TO GALILEO
Galileoisdivingtechnologymadeeasy.Itisanintuitivetoolwhichmonitorsallaspectsofthe
dive to provide you with accurate information relative to your individual experience. Galileo
offers an array of features to enhance your diving pleasure.
• Listentoyourbodywithbuilt-inheartratemonitortechnologyforultimatesafety
andpeaceofmind(patentpending). Enjoy the heart rate monitor with workload
measurementintegratedinthealgorithm,broughttoyouthankstoauniquepartnership
betweenPolarandUWATEC.Heartratecanbecalleduponthedisplayatanypoint
of the dive. Dive profile and heart rate curve are stored in Galileo’s memory for later
analysis. After the dive, heart data can be downloaded to a personal computer through
SmartTRAK,thededicatedUWATECsoftware,thenanalyzed.
Your Galileo User Manual is divided into five main chapters.
Chapter 1: Introduction to Galileo. This chapter provides an overview of the Galileo
computer and describes its operating modes and functions when on the
surface.
Chapter 2: Menus, settings and functions. This chapter describes every aspect of
the computeras it relates toits use, functions and features. Itdescribes all
parameters you can adjust directly on the dive computer.
Chapter 3: Diving with Galileo. This chapter takes you underwater with your new
computer.It’sabouteverythingGalileocanandwilldotoenhanceyoursafety
and fun underwater.
Chapter 4: Galileo and SmartTRAK (PC interface).Thischapterisaboutpersonalization
and customization. It describes how to change settings, to download and
manage your logbook, to upload pictures and to upgrade or update the
firmware on your new computer.
Chapter 5: Taking care of Galileo. This chapter illustrates how to take care of your new
dive computer.
It is timetodive into thedetailsnow. We hope youwillenjoy getting toknowyour new
computer and we wish you many happy dives with Galileo.
1. Introduction to Galileo
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1.1 Glossary
AVG Average depth, calculated from the beginning of the dive or, in case of
gauge mode, from the time of reset.
CNS O
2
Central Nervous System oxygen toxicity.
DESAT Desaturation time. The time needed for the body to completely eliminate
any nitrogen taken up during diving.
Dive time Thewholetimespentbelowadepthof0.8m/3ft.
Gas integration The feature in Galileo to include tank pressure information in its calculations
and to display it on the computer screen.
IrDA InfraredDataAssociation,referstothecommunicationprotocolbetween
divecomputerandPC.
Max depth Maximum depth attained during the dive.
MB Microbubble. Microbubbles are tiny bubbles that can build up in a diver’s
body during and after a dive.
MB level Oneofthesixsteps,orlevels,inUWATEC’scustomizablealgorithm.
MOD MaximumOperatingDepth.Thisisthedepthatwhichthepartialpressure
ofoxygen(ppO
2
)reachesthemaximumallowedlevel(ppO
2
max). Diving
deeperthantheMODwillexposethedivertounsafeppO
2
levels.
Nitrox A breathing mix made of oxygen and nitrogen, with the oxygen
concentrationbeing22%orhigher.Inthismanual,airisconsideredasa
particular type of Nitrox.
NO FLY Minimum amount of time the diver should wait before taking a plane.
No-stop time This is the time that you can stay at the current depth and still make a
direct ascent to the surface without having to perform decompression
stops.
O
2
Oxygen.
O
2
% Oxygenconcentrationusedbythecomputerinallcalculations.
Pairing TheactofestablishingacodedRFcommunicationbetweenGalileoand
ahigh-pressuretransmitter.
ppO
2
Partial pressure of oxygen. This is the pressure of the oxygen in the
breathingmix.Itisafunctionofdepthandoxygenconcentration.AppO
2
higherthan1.6barisconsidereddangerous.
ppO
2
max The maximum allowed value for ppO
2
. Together with the oxygen
concentrationitdenestheMOD.
Press The act of pressing and releasing one of the buttons.
Press and hold Theactofpressingandholdingoneofthebuttonsfor1secondbefore
releasing it.
RBT RemainingBottomTime,itisthetimethatadivercanspendatthecurrent
depth before having to ascend in order to reach the surface with the set
tankreserve.TheRBTaccountsforallexisting(ifpresent)andupcoming
decompression obligations.
SOS mode The result of having completed a dive without respecting all mandatory
decompression obligations.
Stopwatch A stopwatch, for example to time certain legs of the dive.
SURF INT Surface interval, the time from the moment the dive is closed.
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1. Introduction to Galileo
TAT Total ascent time, the time it takes to perform the ascent from your current
depth to the surface in a decompression dive, including all decompression
stops and assuming the ideal ascent rate.
UTC UniversalTimeCoordinated,referstotimezonechangeswhentraveling.
WL Workload.
1. Introduction to Galileo
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1.2 Operating modes
The functions of the Galileo computer
can be grouped into three categories,
each corresponding to a specific mode of
operation:
- surface mode: the computer is on the
surface.Inthismodeyoucanchange
settings, review your logbook, use the
dive planner, see remaining desaturation
afteradive,downloadtoPCandmuch
more;
- dive mode: the computer is at a
depthof0.8m/3ftormore.Inthis
mode, Galileo monitors depth,
time, temperature and performs all
decompression calculations;
- sleep mode: the computer is on the
surfaceformorethan3minuteswithout
operation. Though the computer
appears to be turned off completely, it
is still active. Galileo checks the ambient
pressureonceevery60seconds
for uninterrupted monitoring of the
environment.
1.3 Turning on Galileo and
time of day display
To start the computer, press and hold the
rightbutton.Thescreenwillbrieyshowthe
Galileo logo and then switch to the time of
daydisplay.Ifyoupress the right button,
you will skip the start-up picture and go
straight to the time of day display. Think
of this as the homepage of your new dive
computer. This is where it all starts.
The type of information displayed in surface
mode is different depending on whether
Galileo has remaining saturation from a
recent dive or is completely desaturated.
In case of no remaining saturation, the
display looks as depicted below. The
buttons are marked, from left to right, with
MENU”,LOG”andLIGHT”.Thetopof
the display shows as default the Galileo
logo, which can be replaced by the first two
linesoftheownerinformationdata(referto
section 2.9.6 on owner information). The
time of day is shown in the middle of the
display. Underneath it, Galileo displays
various information: on the top row the
date, the current temperature, the altitude
class (in form of a stylized mountain, see
section 3.6) and the battery capacity; on
the lower row, the tank pressure, the set
oxygen concentration, the corresponding
MODandtheactive MB level setting(see
section2.3.1).
Ifthecomputerhasremainingdesaturation
from a recent dive, the upper portion of
the screen is replaced with the following
information:desaturationtime,no-ytime,
surfaceintervalandCNSO
2
(ifapplicable).
The remaining desaturation time (DESAT)
is calculated by the decompression model
in the computer. Any dive started while
there is remaining desaturation on your
computer is considered a repetitive dive,
meaningthatGalileoaccountsforthepre-
existing nitrogen load in your body.
The no-fly time (NO FLY) is the time during
which an exposure to the reduced pressure
1. Introduction to Galileo
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1. Introduction to Galileo
inside the cabin of an airplane could cause
decompression sickness, as calculated by
the decompression model in the computer.
!
WARNING
Flying while Galileo displays NO FLY can
result in serious injury or death.
The surface interval (SURF INT) is
displayed from the moment the dive is
closed (5minutes after surfacing), for as
long as there is remaining desaturation on
the computer.
In addition, the bar graphs at the sides
of the screen show the CNSO
2
(left bar)
and the residual nitrogen loading (right
bar). Depending on the amount of residual
nitrogen, Galileo shows the prohibited
altitude classes via grey lines inside the
stylizedmountain(seesection3.6formore
information).
1.4 Altitude alarm after
a dive
Going to altitude is in a way similar to
starting an ascent from a dive: you expose
your body to a lower partial pressure of
nitrogen and consequently you start off-
gassing. After a dive, given the higher
nitrogen loading in your body, even
reaching an otherwise negligible altitude
can potentially cause decompression
sickness. Consequently, when in surface
or sleep mode, Galileo constantly monitors
the ambient pressure and uses it to evaluate
your nitrogen loading and offgassing. If
Galileo notices a drop in ambient pressure
not compatible with your current nitrogen
loading, it will activate the alarm to alert you
of the potentially dangerous situation.
1.5 No-dive warning after
a dive
If Galileo detects a situation of increased
risk (due to the potential of microbubble
accumulation from previous dives or a
CNSO
2
level above40%), the
symbol
will appear on the display together with a
suggested surface interval. This minimum
surface interval is what Galileo predicts
being necessary to reduce the number of
microbubblesand/ortoreducetheCNSO
2
levelbelow40%.
You should not undertake a dive as long
as the no-dive warning is displayed on
the computer screen. If the warning is
prompted by microbubble accumulation
(as opposed to CNSO
2
over 40%) and
youdiveanyway,youwillhaveshorterno-
stop times or longer decompression times.
Moreover, the duration of the microbubble
warning at the end of the dive can increase
considerably.
1.6 SOS
If you stay above adepth of 0.8m/3ftfor
more than 3minutes without observing
a prescribed decompression stop, the
computer will switch into SOSmode.Once
in SOS mode the computer will lock up
and will be inoperable as a dive computer
for 24 hours. If Galileo is used for diving
withinthe24hoursofanSOS lock, it will
automatically switch to gauge mode and
provide no decompression information.
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!
WARNING
- Violating a mandatory decompression
obligation may result in serious injury or
death.
- Serious injury or death may result if a diver
does not seek immediate treatment should
any signs or symptoms of decompression
sickness occur after a dive.
- Do not dive to treat symptoms of
decompression sickness.
- Do not dive when the computer is in SOS
mode.
The display shows the same information as
in presence of desaturation, but in addition
the message SOS MODE appears to the
rightofthetimeofday.Insteadoftheno-
ytime,the24-hourcountdownisshown.
The middle-button description changes
fromLOG”toSOS”,andbypressing it
an emergency message is displayed (see
section 2.9.7). The information for this
displaymustbeenteredusingSmartTRAK
anditcanbeupto20lineslong,scrollable
with the left and middle buttons. Once
the emergency message is displayed,
pressing the right button (“LOG”) shows
the details of the last dive.
1.7 Replaceable battery
Galileo uses a CR12600SE type battery
(also known as CR2NP) which is user–
replaceable and is available from your
SCUBAPRO UWATECdealer. The display
alerts you of the status of the battery. This
is described with up to six elements inside
the battery symbol:
- aslongasfourormoreelementsarelit,
the battery has enough energy for safe
diving;
- withthreeelementsshowing,the
displays alternates between the regular
information and the message LOW
BATTERY next to the battery symbol
in10secondintervals.Thebatteryhas
enough energy for safe diving but you
should consider replacing it;
- ifonlytwoelementsarelit,the
display shows REPLACE BATTERY
permanently. The battery does not
have enough energy to ensure a safe
dive.Withonlytwoelementslit,all
audible alarms and the backlight are
deactivated and the compass cannot be
activated;
- ifonlyoneelementislit,thecomputeris
not functional and the display shows the
message BATTERY EMPTY.
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1. Introduction to Galileo
!
WARNING
Starting a dive when the REPLACE
BATTERY message is displayed can cause
the computer to fail during the dive. Replace
the battery as soon as you notice this
message.
Low-battery situations during a dive are
describedinsection3.2.6.
See Chapter 5 for information on how to
replace the battery.
1.8 Screen configuration
options (patent pending)
Indivemode,Galileodisplaysdatainone
of three preconfigured screen layouts:
CLASSIC, LIGHT or FULL.
- TheCLASSIC configuration is set
as default and shows all standard
information needed during the dive; this
layout can be chosen with or without a
grid separating the various fields;
- theLIGHTcongurationmaximizesthe
sizeofthedisplayeddatabyfocusing
on only the absolutely necessary
information;
- theFULLcongurationmaximizesthe
amount of information displayed.
Galileo also has a gauge mode, with a
corresponding GAUGE configuration,
in which the computer acts as a digital
depth gauge and does not perform any
decompression calculation.
F
NOTE:
The LIGHT configuration does not
support dives with MB level stops and
decompression stops. In these cases
Galileo automatically switches to the
CLASSIC configuration.
For all three configurations and in gauge
mode it is possible to call up the digital
compassatanytimeduringthedive. It is
also possible to rotate the entire screen by
180degrees,sothatthecomputercanbe
worn with the buttons on the top or on the
bottom.
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1.9 Button operation
Galileo has three buttons. These buttons
allow to access menus and change settings
while in surface mode. During the dive they
set bookmarks, allow to display further
information on the computer screen and
to activate the backlight. Each button can
perform two tasks, depending on whether
it is pressed or pressed and held (see
denitioninglossaryinsection1.1).
The abbreviated description on the display
under each button refers to its function
when pressed. The function performed
by pressing and holding each button is
described only in the manual.
1.10 Button functions on the
surface
Pressingthe“MENU”buttongivesaccess
to the list of menus. Pressing and holding
the MENU”button jumps straight to the
oxygen setting menu.
Pressingthe“LOG”buttonjumpsstraight
to the logbook menu. Pressing and
holding the LOG” button brings up the
gassummarytable,followedbythepicture-
viewing function.
Pressing the LIGHT” button activates
the
backlight. Pressing and holding
the
LIGHT
button accesses the digital
compass.
Left
button
(MENU)
Middle
button
(LOG)
Right
button
(LIGHT)
Press
Main
menu
Logbook Activate
backlight
Press
and
hold
Oxygen
setting
Gas
summary
table,
then
pictur
viewing
function
Digital
compass
1.11 Mounting and pairing
of the high-pressure
transmitter
Galileo can receive tank pressure
information via patented interference-free
communication from the UWATEC Smart
high pressure transmitter. The transmitter
needs tobe mounted on a high-pressure
portofarst-stageregulator.
To mount the transmitter, first remove the
high-pressureportplugfromtherststage
regulator, then screw the transmitter in
place.
F
NOTE:
- Do not hold the transmitter by the
plastic cap.
- Use an appropriate wrench to
tighten the transmitter.
The Smart transmitter communicates via
radio frequency with Galileo. For best
transmission, we recommend positioning
the transmitter as described in the pictures
below.
InorderforGalileotodisplaythepressure
signal from a Smart transmitter, first a coded,
1. Introduction to Galileo
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1. Introduction to Galileo
interference-free line of communication
has to be established. This step has to be
performed only once for each transmitter
or when the battery in the transmitter is
replaced.
To pair Galileo to a transmitter proceed as
follows:
- Mounttherst-stageregulatorwiththe
Smart transmitter on a full tank.
- TurnonGalileo,ensureitisinthetime
of day display and place it in direct
contact with the transmitter.
- Openthetankvalve.
Uponpressurization,theSmarttransmitter
sends a pairing sequence to Galileo.
WhenGalileoreceivesthisinformation,the
displaychangestoshowalistingof2tank
designations. The tank designations are T1
and BUDDY. Tank T1 is your main tank.
The BUDDY designation allows you to
receive tank pressure information from your
divebuddy’sSmarttransmitter(ifequipped
with one) and to display it on the screen
of your Galileo (see chapter 3 for more
information).
Usethe”(left)and (middle)buttons
to select the tank that you want to assign
to the transmitter, then press SAVE”
(right button). Galileo will conrm the
pairing with the message PAIRING TO T1
SUCCESSFUL(orBUDDY).Ifyoudonot
wish to complete the operation, press and
hold the right button and Galileo will show
the message PAIRING CANCELLED. The
pairing will also be cancelled if you do not
press SAVE”within3minutes.
F
NOTE:
- The transmitter must have
been unpressurized for at least
40 seconds prior to the pairing
operation, else it will not transmit
the pairing sequence.
- A transmitter can only be paired
to one tank designation. If you pair
the same transmitter to a second
tank designation, the first one will
be erased. However you can pair
more than one Galileo to the same
transmitter.
- Pairing between Galileo and a
transmitter can be removed via
SmartTRAK.
AfterasuccessfulpairingofT1toGalileo,
the display will show the tank pressure in
either BAR or PSI.IftankT1hasnotbeen
paired, Galileo will show NO P instead of a
pressure value.If T1has been pairedbut
Galileo is not receiving any signal, it will
show---insteadofapressurevalue.
Onthesurface,thestatusoftheBUDDY
tank is shown in the gas summary table,
discussedinsection1.12.
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1. Introduction to Galileo
15
English
F
NOTE:
- The Smart transmitter has a range
of approximately 1.5m/5ft.
- To maximize the life of the battery,
the transmitter turns itself off when
there is no pressure change for
more than 40 seconds. It also
turns itself off when the pressure is
14bar/200psi or less.
- If a transmitter battery is weak,
Galileo alerts you with a screen
message referencing the tank
designation assigned to the
transmitter in question.
See Chapter 5 for information on how to
replace the battery.
1.12 Gas summary table
Galileo features a Gas summary table,
which shows tank pressure, oxygen
concentration,ppO
2
maxandMODforyour
tank and, if applicable, the tank pressure of
yourbuddy.Thisallowsyoutohaveaquick
overview on the surface before starting the
dive.
F
NOTE:
In order to receive tank information,
the pertinent transmitters must be on
and within range (1.5m/5ft) of your
Galileo.
The Gas summary table can be reached
from the Gas integration menu (see
section 2.8.2) orsimplyby pressing and
holdingthemiddlebutton(markedLOG”)
while in time of day display.
1.13 Turning off Galileo
Galileo turns off automatically after
3minuteswithoutoperation.Whenintime
of day display, it can also be turned off
manually by pressing and holding the left
and right buttons simultaneously.
16
2. Menus, settings and functions
2. Menus, settings and functions
2. MENUS, SETTINGS AND FUNCTIONS
Galileo’s menus allow you to access functions or to change settings. To access the main
menu press MENU”.Fromhere,youcanscrollthroughtheentirelistbypressingthe”
(leftbutton)or“”(middlebutton).Somemenus,suchasDive settings, have submenus.
Ineverymenuorsubmenu,thehighlightedsectionindicatesthecurrentlyactiveentity.
Listedbelowareallavailablemenus.
Menu Description Page
O
2
setting Allows to set the oxygen concentration (Nitrox), the
ppO
2
maxandtoviewtheMOD.
17
Dive settings Allows to set all dive-related parameters: MB level,
gauge mode, safetystop timer,ppO
2
max, Nitrox reset
time,watertype.Italsoallowstoresetthedesaturation
andtoturnontheall-silentmode.
18
Digital compass Allows to use the compass on the surface, to set the
auto-offtimeandalsotosetadeclinationvaluetocorrect
between magnetic North and true North.
21
Altimeter Shows altitude and allows to set altitude with respect to a
known reference.
22
Warningsettings Allows to turn on or off the warning messages individually. 23
Clocksettings Allowstosetthewake-upalarm,time,timeformat,date
andtimezone(UTC).
31
Othersettings Allows to set the parameters for the gas integration, the
duration of the backlight time, to change the contrast
ofthedisplay,tochangetheIrDAspeed,totogglethe
water contacts on and off, and to reset all settings from all
menustothefactorydefaults.Italsoshowsinformation
about the software and hardware of the dive computer.
32
Personalization Allows to set the screen configuration, the language,
the start-up picture, the unit system, the workload
estimation, to show the owner information and the
emergency message.
35
Pictures Allows to display all the pictures stored on the dive
computer.ThepicturesmustbeuploadedfromaPCvia
SmartTRAK.
37
Dive planner Allows to plan no-stop or decompression dives with
freely selectable surface intervals.
37
Logbook Allows to review your past dives. 38
2. Menus, settings and functions
2. Menus, settings and functions
17
English
2.1 Main menu description
Press MENU”toviewthelistofmenus.
To enter any menu, scroll up or down
the list via the ” or ” buttons until
the highlighted bar covers your menu of
interest, then press ENTR” to conrm
your choice.
To change settings press the +” or ”
buttons, then press SAVE” to conrm
the changes. This will take you back to the
mainmenu.Ifyoudonotwanttoconrm
the changes, press and hold the right
button at any time to exit without saving
the changes. This will also take you back
to the main menu. Press and hold the left
and the right button simultaneously to jump
back to the time of day display. Note that
holdingdownthe“+”or“”buttonsmakes
the setting change faster.
If you make a change in any menu and
you save it, the computer will display
the message CHANGES SAVED for
2seconds. If you make a change and
do not save it, the computer will display
the message CHANGES NOT SAVED
for 2seconds.If nochanges were made,
whether you exit by means of a press or a
press and hold, no message is displayed.
If more than one entity can be changed
within a single menu, the right button is
labeled>>”insteadofSAVE”.Pressing
>>” will move the highlighted segment
to the next entity that can be changed.
When the highlighted segment is on the
last possible entity that can be changed,
therightbuttonrevertsbacktoSAVE”.In
case of submenus, the operation follows
the same process.
If in the middle of changing a setting the
computer does not receive any input for
a periodof 3minutes,it willautomatically
switch back to the time of day display
without saving any changes.
2.2 Setting the oxygen
concentration
Upon entering this menu, the current
oxygen concentration (O
2
%) will be
highlighted. Underneath the O
2
% you can
seetheppO
2
andthecorrespondingMOD.
After changing the oxygen concentration,
the ppO
2
will be highlighted. You can
change its value between the maximum
allowed value (see section 2.3.4) and
1.0bar.AsyouchangetheppO
2
value, the
MOD changes accordingly. Note that the
MODisalsoafunctionofwatertype(salt
orfresh)andofatmosphericpressure(and
hence altitude).
18
2. Menus, settings and functions
2. Menus, settings and functions
!
WARNING
- Diving with Nitrox may only be attempted
by experienced divers after proper training
from an internationally recognized agency.
- Before every dive and after changing the
tank, you must make sure that the set
oxygen concentration in Galileo corresponds
to the oxygen concentration in the tank.
Setting the wrong oxygen concentration can
lead to serious injury or death.
2.3 Dive settings
2.3.1 MB level (default: L0)
Upon entering this menu, the currently
activeMBlevelisdisplayed.Usingthe+”
and”buttonsyoucanchangebetween
levels, from L0 (baseline algorithm) to L5
(highestlevelofaddedconservatism).
2.3.2 Gauge mode (default: OFF)
Upon entering this menu, the words ON
or OFF will be highlighted on the screen,
indicating whether the gauge mode is
active(ON)orinactive(OFF).Ifthegauge
mode is inactive, Galileo will function as
a dive computer. If the gauge mode is
active, Galileo does not carry out any
decompression calculation and does not
provide any warnings or alarms.
See section3.7 for restrictions on setting
Galileo from computer mode to gauge
mode and vice versa.
2.3.3 Safety stop timer (default:
automatic, 3 minutes)
The purpose of the safety stop timer is
to allow you to monitor your safety stop
at the end of the dive. You can set the
duration of the safety stop timer between
1 and 5minutes in 1minute increments.
You can also set the timer to be triggered
automatically or manually or you can turn
the function OFF altogether. The operation
of the safety stop timer is described in
section3.4.3.
2.3.4 ppO
2
max (default: 1.4bar)
The value of ppO
2
max determines your
MOD-basedonyouroxygenmix.Youcan
set this value between 1.2bar and 1.6bar
or OFF.
2. Menus, settings and functions
2. Menus, settings and functions
19
English
IfyousetppO
2
max to OFF, you will not get
any MOD warnings. If you choose OFF,
youwill be requiredto enter anadditional
confirmation in the form of a safety code.
The safety code is 313. This prevents
unintentionally setting the ppO
2
max to
OFF. Toenter thecode, use the +” and
”buttonstodenetherstdigit(3), then
press“>>” to conrm it. Now dene the
next digit (1), confirm by pressing“>>”,
thendenethelastdigit(3). Upon pressing
SAVE”after having denedthelastdigit,
ppO
2
max will be set to OFF and you will
have no related warnings. The display
shows the message ppO
2
max SET TO
OFF SUCCESSFULfor2seconds.
!
WARNING
Setting the ppO
2
max value to OFF can result
in exposure to high levels of oxygen partial
pressure and can result in serious injury or
death.
2.3.5 Nitrox reset time
(default: no reset)
If you set the computer to an oxygen
concentration higher than 21% (diving
with Nitrox), you can decide whether the
computer should revert back to 21% (air)
at some point in time or if it should stay set
to the given oxygen concentration until you
change it manually. This is done via the Nitrox
resettime.IfyousettheNitroxresettime
to NO RESET, the computer will maintain
the given oxygen concentration until you
change it manually. If you set the Nitrox
reset time to any value between 1 hour and
48 hours, the computer will automatically
change the oxygen concentration back to
21% after the specied time interval has
elapsed.
2.3.6 Water type (default: salt)
You can set the computer for fresh water
or salt water calibration, depending on
where you intend to dive. Setting the
wrong water type entails an error in depth
measurementofapprox3%(i.e.atadepth
of30m/100ft,acomputersettosaltwater
willshow29m/97ftinfreshwaterwhereas
a computer set to fresh water will show
31m/103ft in salt water). Note that this
does not affect the proper functioning of
the computer, since the computer performs
all of the calculations based purely on
pressure measurements.
20
2. Menus, settings and functions
2. Menus, settings and functions
2.3.7 Desaturation reset
Galileo allows you to reset the desaturation
in the computer. Any tissue saturation
information from a recent dive will be
resettozeroand the computertreatsthe
next dive as a non-repetitive dive. This is
useful when the computer is loaned to
another diver who has not dived in the last
48hours.
!
WARNING
Diving after having reset the desaturation
is extremely dangerous and is very likely to
cause serious injury or death. Do not reset the
desaturation unless you have a valid reason to
do so.
To prevent accidental desaturation reset,
you must enter the safety code once you
decide to proceed with the reset. The
safety code is 313.Onceinsidethemenu
the word CODE will appear. To enter the
code,usethe“+”and“”buttonstodene
therstdigit(3), then press“>>”toconrm
it.Nowdenethenextdigit(1), confirm by
pressing“>>”, then dene the last digit
(3). Pressing SAVE”afterhavingdened
the last digit will complete the desaturation
process. The display shows the message
DESATURATION RESET SUCCESSFUL
for 2seconds. Note that the reset of the
desaturation is entered into the logbook for
tracking purposes.
F
NOTE:
Removing and replacing the battery
will not reset the desaturation. Galileo
stores tissue saturation information
in non-volatile memory. For the time
during which the computer is without
battery, the desaturation calculation
is frozen and resumes from where it
had left off as soon as a new battery is
installed.
2.3.8 All-silent mode (default: OFF)
Inthismenuyoucanturnoffthesoundso
that the computer will not beep under any
circumstance. Setting the ALL-SILENT
mode to ON overrides any setting you
choose for individual warnings (described
in section 2.6) and also mutes all alarms
(described in section 3.2). The wake-up
alarm will also be disabled.
!
WARNING
Muting all alarms can lead you into potentially
dangerous situation and could result in serious
injury or death.
IfyouchooseALL-SILENT ON, you will be
requiredtoenteranadditionalconrmation
in the form of a safety code. The safety
code is 313. This prevents unintentionally
setting the ALL-SILENT to ON. To enter
the code, use the +” and” buttons to
dene the rst digit (3), then press“>>”
toconrmit.Nowdenethenextdigit(1),
confirm by pressing“>>”thendenethe
lastdigit(3). Upon pressing SAVE”after
having defined the last digit, ALL-SILENT
will be set to ON and you will have no
audible signals of any kind. The display
shows the message ALL-SILENT ON
SUCCESSFULfor2seconds.
2. Menus, settings and functions
2. Menus, settings and functions
21
English
2.4 Digital compass
Galileo has a tilt-compensated digital
compass which can be used at almost
any inclination. The compass can be called
up at any moment during the dive and it
can also be used on the surface. This
menu allows you to use the compass on
thesurface,change the auto-off time and
assign a declination to compensate for the
deviation between true North and magnetic
North.
2.4.1 Using the compass on the
surface
Upon selecting the USE COMPASS
menu, the screen will display the compass,
the time of day and the surface interval, if
applicable. The buttons are now labeled
SET”and“EXIT”.
With the middle button (“SET”), you can
set a reference bearing. This is useful for
instance if you are on a boat and there is a
landmark on the shore that you can use for
alignment to reach a specific spot on that
dive site. Press SET”to set thebearing,
and the display shows the message SET
BEARING SUCCESSFUL for2seconds.
A dot will appear to indicate the set bearing.
Once underwater, align the dot with the
arrow and start swimming in that direction.
Ifyoupress SET”again,thenewbearing
will override the one in memory. If you
press and hold SET” you erase the
bearing. When you set a bearing, Galileo
automaticallymarksthe points at 90,120
and 180 degrees as anaid in navigation.
Seesection3.4.1formoreinformationon
using this feature.
The right button (“EXIT”) returns to the
main Digital compass menu.
2.4.2 Setting the auto-off time
(default: 15 seconds)
Whilediving,thecompasslayoutreplaces
the main dive computer screen configuration
when the right button is pressed and
held. When in compass mode, Galileo
uses more battery energy than normal, so
it is desirable to have the computer switch
back to the regular configuration after a
certain time interval. This menu allows you
to set this time interval between 5, 10, 15,
22
2. Menus, settings and functions
2. Menus, settings and functions
30 and 60 seconds or to PUSH ON/PUSH
OFF.Inthislastsetting,thecompasslayout
remains on the screen until you press and
hold the right button to revert to the regular
dive computer screen configuration.
F
NOTE:
- If a warning or an alarm is triggered
while in compass mode, Galileo
switches back to the regular layout
regardless of the auto-off setting.
- If Galileo is in compass mode
when it enters level stops or
decompression, it also switches
back to the regular layout regardless
of the auto-off setting.
2.4.3 Setting the declination
(default: 0 degrees)
Depending on the exact location on the
planet, there can be a deviation between
true North and magnetic North. Any
compass will always show magnetic North,
so via this menu you can set a value for
theso-calleddeclinationthatwillmakethe
compass show true North instead.
2.5 Altimeter
This menu allows you to use Galileo as
an altimeter. Upon entering this menu,
the current altitude is displayed. Altitude
is interpreted by the computer from the
measured barometric pressure and, as
such, it is strongly dependent on the
weather.Consequently,foraccuratealtitude
measurements, the altimeter has to be set
to a known altitude at least once a day.
To set the altitude, first press ADJ to enter
the ADJUST ALTITUDE menu. Once
insidethismenu,usethe“+”or”buttons
until you reach the desired value. Each time
you press“+”or“”,thedisplayedaltitude
willchangein10m/50ftincrements.Press
SAVE”toconrmyourchoice andreturn
to the main Altimeter menu.
F
NOTE:
The altitude shown in this menu has
no influence on the automatic altitude
adjustment in the decompression
calculations.
2. Menus, settings and functions
2. Menus, settings and functions
23
English
2.6 Warning settings
Galileo can warn you about specific
situations that might require an action on
your part.
Warnings represent situations that require
the diver’s attention, but ignoring them does
notrepresentanimmediaterisk.Itisupto
you to decide which ones you would like to
be active and which ones not. All warnings
can be OFF, VISUAL only, AUDIBLE only,
or BOTH visual and audible. The audible
warningconsistsofthreeshortsequences
of beeps. The visual warning is described
independently for each case.
IfawarningissettoVISUAL or BOTH and
it is triggered while Galileo is in compass
mode, the display will automatically switch
backtotheregularconguration(CLASSIC,
LIGHT or FULL) in order to properly show
the warning message.
Each warning has its own submenu within
the Warning settingsmenu.Usethe”
or ” buttons to scroll through the list.
A highlighted bar will show the selected
submenu and the hint line at the bottom
indicates the status of the warning. Press
ENTR to access any submenu. At any point
in time pressing and holding the right
button will return to the Warning settings
menu without saving any unconfirmed
changes.
!
WARNING
Galileo also features alarms. Alarms differ from
warnings in that they cannot be turned off, and
that their audible sequence is continuous until
the situation is corrected. These are described
in section 3.2. Alarms have priority over
warnings, and warnings will not be displayed
as long as an alarm is active.
24
2. Menus, settings and functions
2. Menus, settings and functions
2.6.1 Maximum depth (default: OFF)
Galileo allows you to specify a depth at
which a warning is activated. The warning
canbesetin1m/5ftincrements.
During the dive, if you descend below the
set depth and the warning is set to either
VISUAL or BOTH, Galileo will show the
message MAX DEPTH REACHED for
12seconds in place of the no-stop or
decompression information.
Inaddition:
- FortheCLASSIC configuration,
the value of the set depth is shown,
ininvertedcolors(whiteonablack
background), in the lower left corner.
Alternate information is still available
asdescribedinsection3.3.2butafter
5 seconds the inverted set depth is
shown again. This will remain so for as
long as the diver stays deeper than the
set depth.
- FortheLIGHT configuration, the current
depth is displayed in inverted colors
(whiteonablackbackground)andwill
remain so until the diver ascends above
the set depth.
- FortheFULL configuration, the value
of the set depth replaces the max depth
indication and is shown in inverted
colors(whiteonablackbackground).
This will remain so until the diver
ascends above the set depth.
2.6.2 CNS O
2
= 75% (default: OFF)
Galileo tracks your oxygen uptake during
thediveviatheCNSO
2
clock. This can be
monitored via the oxygen bar on the left
side of the screen (CLASSIC and FULL
display configurations) and also via the
CNSO
2
indication(CLASSIC, LIGHT and
FULL). Galileo triggers an alarm when the
value reaches 100%; in addition you can
choose to have a warning triggered when
theCNSO
2
clockreaches75%.
During the dive, if the calculated CNSO
2
value reaches 75% and the warning is
set to either VISUAL or BOTH, Galileo
will show the message CNS O
2
= 75%
2. Menus, settings and functions
2. Menus, settings and functions
25
English
for 12seconds inplace of theno-stopor
decompression information.
Inaddition:
- FortheCLASSIC configuration, the
valueofCNSO
2
is shown, in inverted
colors(whiteonablackbackground),
in the lower left corner. Alternate
information is still available as described
insection3.3.2butafter5secondsthe
invertedCNSO
2
is shown again. This
willremainsoforaslongastheCNSO
2
valueishigherthan75%.
- FortheLIGHT configuration, after the
textmessageextinguishestheCNSO
2
isdisplayedininvertedcolors(whiteon
a black background) in the lower left
corner,alternatingevery4secondswith
the tank pressure information. This will
remainsoforaslongastheCNSO
2
valueishigherthan75%.Alternate
information is still available as described
insection3.3.3.
- FortheFULLconguration,theCNSO
2
isshownininvertedcolors(whiteon
a black background). This will remain
soforaslongastheCNSO
2
value is
higherthan75%.
2.6.3 No-stop = 2 minutes
(default: OFF)
Ifyouwishtoavoidunintentionallyperforming
a decompression dive, Galileo can activate
awarningwhentheno-stoptimereaches
2minutes.ThisappliestobothL0no-stop
andMB no-stop time(seesection3.5for
more information on MB level diving). It
gives you the opportunity to start ascending
before incurring a decompression stop or a
level stop obligation.
Duringthedive,iftheno-stoptimereaches
2minutesandthewarningissettoeither
VISUAL or BOTH, Galileo will show the
message NO STOP = 2 minutes on the
display for 12seconds. The following
figures show the actual display in the
various dive congurations (CLASSIC,
LIGHT and FULL).
26
2. Menus, settings and functions
2. Menus, settings and functions
2.6.4 Entering decompression
(default: OFF)
Galileo can activate a warning when the first
mandatory decompression stop appears.
This alerts the diver to the fact that a direct
ascent to the surface is no longer possible.
This warning applies to dives with the
computersettoL0only.
During the dive, if you are about to enter
decompression and the warning is set to
either VISUAL or BOTH, Galileo will show
the message ENTERING DECO on the
displayfor12seconds.Thefollowinggures
show the actual display in the CLASSIC
and FULL congurations. If Galileo was
set to LIGHT, at this point it switches to
CLASSIC to fit all the information.
2.6.5 Dive time and turn-around time
(default: OFF)
WithGalileoyoucansetagivendivetime
in 5 minute increments. At half of the set
value,Galileowillgiveyoua“turnaround”
warning. A warning is also triggered when
the total set time has elapsed.
During the dive, if the dive time reaches half
the value of the set dive time and the warning
is set to either VISUAL or BOTH, Galileo
will show the message TURN-AROUND
TIME onthe display for 12seconds. The
following figures show the actual display in
thevariousdivecongurations(CLASSIC,
LIGHT and FULL).
2. Menus, settings and functions
2. Menus, settings and functions
27
English
When the actual dive time reaches the
set dive time, the message TIME LIMIT
REACHED appears for 12seconds and
the dive time itself now is shown in inverted
colors(whiteonablackbackground).The
following figures show the actual display in
thevariousdivecongurations(CLASSIC,
LIGHT and FULL).
2.6.6 Tank pressure (default: OFF)
Galileo can warn you when the tank
pressure reaches a certain level. For
instance, you can set it to half the full tank
pressure as a reminder that it is time to start
a slow ascent.
During the dive, if the tank pressure reaches
the value set in the menu and the warning is
set to either VISUAL or BOTH, Galileo will
show themessage value” BAR (or PSI)
REACHEDonthedisplayfor12seconds.
The following figures show the actual
display in the various dive configurations
(CLASSIC, LIGHT and FULL).
28
2. Menus, settings and functions
2. Menus, settings and functions
2.6.7 RBT = 3 minutes
(default: BOTH)
Inordertogiveyousufcientwarningthat
your gas supply may be running low, Galileo
can warn you when the RBT (remaining
bottom time) drops to 3minutes. See
section3.3.1formoreinformationonRBT.
Duringthedive,iftheRBTdropsdownto
3minutesandthewarningissettoeither
VISUAL or BOTH, Galileo will show the
message RBT = 3 MIN on the display for
12seconds. In addition,regardlessof the
setting, the RBT is displayed in inverted
colors(whiteonablackbackground).The
following figures show the actual display in
thevariousdivecongurations(CLASSIC,
LIGHT and FULL).
!
WARNING
If RBT drops to 3 minutes or less, you may not
have enough gas supply to complete a safe
ascent. Start ascending when you see this
warning.
2.6.8 Pressure signal (default: BOTH)
Galileo relies on RF communication with
the Smart transmitter for tank pressure
information. Under certain circumstances,
such as inappropriate positioning of the
transmitter orinterference from strong RF
sources, the data transmission can be
momentarily interrupted. Strobes used
2. Menus, settings and functions
2. Menus, settings and functions
29
English
in underwater photography for example
are known to momentarily affect the
communication between Galileo and the
Smart transmitter.
Galileo can warn you when the signal from
the transmitter is disturbed:
- IfGalileoreceivesnosignalfromthe
transmitterfor30seconds,anaudible
sequencegoesoffandthemessage
NO PRESSURE SIGNAL appears on
thedisplayfor12seconds.
- Ifafteranother40secondsGalileo
still has not received any signal from
the transmitter, another audible
sequencegoesoffandthemessage
PRESSURE SIGNAL LOST appears
for12seconds,afterwhichtheRBTis
not displayed any longer and the tank
pressureisreplacedwith–––.
2.6.9 Entering level stops
(default: OFF)
Whendivingwithamicrobubble(MB)level
different than L0, Galileo can warn you
whenyouarenolongerintheMBno-stop
phase.
Seesection3.5formoreinformationonMB
level diving.
During the dive, when you are about to
enter the level stop phase and the warning
is set to either VISUAL or BOTH, Galileo
will show the message ENTERING LEVEL
STOPSonthedisplayfor12seconds.The
following figures show the actual display in
the CLASSIC and FULL configurations.
If Galileo wasset to LIGHT, at this point
it switches to CLASSIC to fit all the
information.
2.6.10 MB stop ignored
(default: BOTH)
Whendivingwith an MBlevelhigherthan
L0andinthepresenceofMBlevelstops,
Galileo can warn you if you reach a depth
shallower than the deepest required MB
level stop, therefore allowing you to avoid
missingtherequiredstop.
During the dive, if you ascend shallower
thanasuggestedMBstopdepthandthe
warning is set to either VISUAL or BOTH,
Galileo will show the message MB STOP
IGNORED on the display for 12seconds
and the depth is shown in inverted colors
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2. Menus, settings and functions
2. Menus, settings and functions
(white on a black background) until you
descend below the stop depth or until there
isanMBlevelreduction(seesection2.6.11
and3.5.5).Thefollowingguresshowthe
actual display in the CLASSIC and FULL
configurations.
2.6.11 MB level reduced
(default: BOTH)
Whendivingwith an MBlevelhigherthan
L0andinthepresenceofMBlevelstops,
if you ascend more than 1.5m/5ft above
thedeepestrequiredMBlevelstop,Galileo
reducesyourMBleveltothenextpossible
level. The display will show the new active
MBlevel.YoucansetGalileotowarnyou
when this happens.
During the dive, if you ascend more than
1.5m/5ftaboveasuggestedMBstopdepth
and the warning is set to either VISUAL
or BOTH, Galileo will show the message
MB LEVEL REDUCED on the display for
12seconds. In addition,regardlessof the
settingofthewarning,thenewMBlevelis
displayedininvertedcolor(whiteonablack
background) as follows:
- CLASSIC: in the lower left corner after
the text message extinguishes. Alternate
information is accessible as described
insection3.3.2,butafter5seconds
thenewMBlevelinformationisagain
shown;
- FULL:inplaceoftheMBlevel.
The following figures show the actual display
in the CLASSIC and FULL configurations.
2.6.12 L0 no-stop time = 2 minutes
when diving an MB level
Whendivingwith an MBlevelhigherthan
L0, the underlying L0 information is not
directly visible on the display (though it is
accessible as alternate information). You
can choose to have Galileo warn you when
the underlying L0 no-stop time reaches
2minutes while diving with an active MB
levelhigherthanL0.
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31
English
Duringthedive,iftheunderlyingL0no-stop
time reaches 2minutes and the warning
is set to either VISUAL or BOTH, Galileo
will show the message L0 NO-STOP =
2 MINonthedisplayfor12seconds.The
following figures show the actual display in
the CLASSIC and FULL configurations.
2.6.13 Entering deco when diving
an MB level
Whendivingwith an MBlevelhigherthan
L0, the underlying L0 information is not
directly visible on the display (though it is
accessible as alternate information). You
can choose to have Galileo warn you when
you are about to enter a decompression
obligation while diving with an active MB
levelhigherthanL0.
During the dive, if you are about to enter
decompression and the warning is set to
either VISUAL or BOTH, Galileo will show
the message ENTERING DECO AT L0 on
the display for 12seconds. The following
figures show the actual display in the
CLASSIC and FULL configurations.
2.7 Clock settings
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2. Menus, settings and functions
2. Menus, settings and functions
2.7.1 Wake-up alarm
This menu allows you to set a wake-up
alarm. The time of the alarm is shown in the
format specified in the Timemenu(eitherin
AM/PM or 24 hour).Whenthealarmisset
to ON, a bell symbol appears in the time
of day display.
2.7.2 Time
This menu allows you to set the time format,
time and date.
Pressing SAVE”atthelastsettingstarts
theclockatthesettimeand0seconds.
2.7.3 Time zone (UTC)
This menu allows you to easily change the
time when traveling to other time zones.
Insteadofchangingtheactualtimeitself,in
this menu you can define a number of hours
to add to or to subtract from the currently
displayed time so as to get the correct time
at your travel destination.
The range of the UTC setting is between
13 hours and +13 hours in 15minute
increments.
2.8 Other settings
2.8.1 Device information
This menu displaysthe deviceID number
(ID), the hardware version (HW), the
softwareversion(SW), the battery level and
the ASIC version.Press EXIT to exit this
submenu and return to the Other settings
menu.
2.8.2 Gas integration (default:
40bar/600psi, normal, OFF)
Inthismenuyoucansetthetankreserve
usedfortheRBT calculation, you canset
the sensitivity of the workload calculation to
changes in breathing pattern and you can
choose to replace the oxygen bar graph
2. Menus, settings and functions
2. Menus, settings and functions
33
English
with a graphic representation of the tank
pressure(CLASSIC and FULL only). From
this menu you can also call up the gas
summarytabledescribedinsection1.12.
The RBT (remaining bottom time) is the
time you can spend at the current depth
and still have enough gas supply to make a
safe ascent and reach the surface with the
tankreserve.TheRBTcalculationisbased
on your current breathing rate, accounts for
any existing and upcoming decompression
obligation and for any temperature gradient
in thewater. It assumes an ascent at the
idealascentrate(denedinsection3.2.1).
A higher value of the tank reserve is more
conservative, but limits your diving time. A
lower value gives you more diving time but
the risk of running out of gas supply before
reaching the surface increases.
The sensitivity of the workload calculation
to changes in breathing pattern can be
adjustedin25steps:thishasaneffecton
how the algorithm accounts for changes
in breathing pattern in the decompression
calculation.
The oxygen bar graph can be replaced
with a graphic representation of the tank
pressure (CLASSIC and FULL only). If
you turn ON this feature, the label of the
bar graph changes from O
2
to TNK. To use
this feature, you must define a value of the
pressure when the tank is full. Each segment
in the left bar graph then represents one
tenth of the full value. For instance, if the
pressureofthefulltankis200bar/3,000psi,
each segment will correspond to 20bar/
300psi. As you consume the gas in the
tank, the segments will gradually turn off.
2.8.3 Backlight duration
(default: 6 seconds)
You can set the duration of the backlight in
dive mode between2and 12seconds or
to PUSH ON/PUSH OFF. The backlight is
activated by pressingtheLIGHT button.
If you choose PUSH ON/PUSH OFF,
the light will stay on until you press the
LIGHT”buttonagaintoturnitoff.
F
NOTE:
- The backlight consumes battery
energy: the longer the backlight
stays on, the shorter the life of your
battery.
- If the LOW BATTERY warning is
activated, it is no longer possible to
activate the backlight.
34
2. Menus, settings and functions
2. Menus, settings and functions
When insurface mode, the light can only
be activated from the time of day display,
whentherightbuttonismarkedLIGHT”.
The backlight in surface mode has a
duration of 1minute before automatically
switching off, which allows for enough
time to navigate through menus and make
changestosettings.Itcanbeturnedoffat
any time by pressingtheLIGHT”button
again.
2.8.4 Display contrast
This menu allows you to change the
contrast of the display to adapt to various
levels of light conditions. Upon entering
this menu, a sliding bar appears across the
display. Use the ”and ” buttonsto
set your preferred contrast level.
2.8.5 IrDA speed (default: FAST)
Galileo can transmit dive profile information
from its memory to a PC via an infrared
interface. This submenu allows you to
choose the speed at which the transfer
takesplace.OntheFAST speed setting, the
transfer is approximately three times faster
than on the SLOW setting, but the SLOW
setting has wider compatibility with various
infraredinterfaces.Wesuggeststartingwith
FAST and, if that gives trouble, switching
to SLOW.
2.8.6 Water contacts (default: ON)
The water contacts allow Galileo to turn
on automatically the moment it senses the
presence of water. This means that you can
jump in the water at any time without having
to worry whether the computer is turned
on. However,if thecomputer is stored ina
wet environment, it may stay turned on and
consume unnecessary battery power. To
prevent this, you can turn the water contacts
off, but you will have to remember to turn on
the computer manually before starting the
dive.
F
NOTE:
If the water contacts are turned off
and you fail to turn on the computer
manually, the computer will still
activate by itself within 1 minute of
having started the dive. The time
and decompression calculation will
be consequently inaccurate, but the
accuracy of the depth measurement
will be unaffected.
2. Menus, settings and functions
2. Menus, settings and functions
35
English
2.8.7 Revert to factory settings
This menu allows you to revert all settings
in all menus of the computer back to the
originalfactorysettings.Inordertodothis,
you need to enter the safety code (313).
This prevents unintentionally reverting all
settings. To enter the code, use the +”
and”buttonstodenetherstdigit(3),
then press“>>”toconrmit.Nowdene
the next digit (1), confirm by pressing
>>” then dene the last digit (3). Upon
pressing SAVE”afterhavingdenedthe
last digit, a setup routine is initiated. This
allows you to choose the language, units
andtimezoneafterwhichallsettingswillbe
reverted to the original factory defaults. The
display shows the message REVERT TO
FACTORY SETTINGS SUCCESSFUL for
2seconds.
F
NOTE:
Reverting to factory settings does
not cancel existing transmitter pairing
information nor does it cancel owner
and emergency information.
2.9 Personalization
(patents pending)
2.9.1 Screen configuration
(default: CLASSIC WITH GRID)
In this menu you can set your preferred
display layout,as described in Chapter1.
You can choose between CLASSIC,
CLASSIC WITH GRID, LIGHT and FULL
configurations. You can also rotate the
displayby180degrees,sothatthebuttons
are at the bottom of the computer.
F
NOTE:
- The LIGHT configuration does
not support dives with level
stops or decompression stops.
If you have chosen the LIGHT
configuration and you enter level
stops or decompression, the
screen configuration will switch to
CLASSIC until you have fulfilled
all level stop and/or deco stop
obligations.
36
2. Menus, settings and functions
2. Menus, settings and functions
2.9.2 Language
Inthismenuyoucansetthelanguageused
for all texts displayed on the computer.
2.9.3 Start-up picture
(default: Galileo logo)
Galileo allows you to choose a picture
that willbe displayedfor 8secondsupon
turningonthecomputer.Inthismenuyou
choose the picture from those available in
the computer memory.
2.9.4 Units
You can choose to have the depth
displayed in meters or feet, the temperature
in degrees Celsius or degrees Fahrenheit
and the tank pressure in bar or psi.
2.9.5 Workload
At the base of any decompression
calculation there is the transport of nitrogen
from the lungs to the blood and from there
to thetissues during on-gassing, and the
same again in reverse during off-gassing.
As such it is obvious that the single most
important parameter in a decompression
calculation is the rate at which blood
travels through the body. During heavy
exercise,thetotalbloodowfromtheheart
canbeupto4timeshigherthanwhileat
rest. This increase in blood ow is rather
unevenly distributed, with some tissues
such as the Central Nervous System and
the brain being unaffected, while others like
the muscles receiving up to ten times more
blood than at rest.
Galileo estimates the workload based on
changes in the breathing pattern as detected
by the hoseless high-pressure transmitter,
and the decompression calculation in 4 of
the8compartmentsintheZH-L8ADTmodel
is changed accordingly. This menu allows
you to switch off the workload estimation, in
which case your Galileo will behave like an
UWATECAladinPRIMEdivecomputer.
2.9.6 Owner information
The information in this menu can only be
entered via the SmartTRAK software. A
maximum of twenty lines are allowed. You
can scroll through the text using the ”
and”buttons.Thetop two lines of this
information are displayed in surface mode
when there is no remaining desaturation
(seesection1.3).
2. Menus, settings and functions
2. Menus, settings and functions
37
English
2.9.7 Emergency information
The information in this menu can only be
entered via the SmartTRAK software. A
maximum of twenty lines are allowed. You
can scroll through the text using the ”
and“”buttons.
IfGalileogoesintoSOS mode because of
a missed decompression stop, this menu
will be displayed if the middle button is
pressed(seesection1.6).
2.10 Pictures
This menu allows you to view all the
pictures that have been uploaded via
SmartTRAKtoyourdivecomputer.Youcan
jump directly to this menu from the time
of day display by pressing and holding
the middle (“LOG”)button. Once you are
inpicture-viewingmode,usethe<<”and
>>”buttonstoscrollthroughthepictures.
With the EXIT” buttonyou canreturn to
the time of day display.
2.11 Dive planner
This menu allows you to plan no-stop or
decompression dives. Dive planning is
done using the following as basis:
- selectedoxygenconcentration
- selectedwatertype
- selectedmicrobubblelevel
- watertemperatureofthemostrecent
dive
- altituderange(ifany)
- statusofsaturationatthetimethe
planner is started
- anormalworkloadofthediverand
observance of the prescribed ascent
rates.
If there is remaining desaturation on
the computer at the time of starting the
dive planner, the text ADD. SURF. INT.
appears on the display. This allows you
to define an additional surface interval to
what has already elapsed since the end of
the last dive. Pressthe+”or”buttons
to define this interval, then press“>>”to
conrmit.Ifatpresentthereisaprohibited
altitude recommendation due to the last
dive, Galileo shows you how the prohibited
altitude changes with increasing surface
interval. Press“>>”directlyifyouwantto
plan without an additional surface interval.
In case Galileo is displaying the no-dive
warning (section 1.5), the duration of the
warning itself is displayed as recommended
surface interval for planning purposes
(rounded up to the nearest 15minute
increment).
38
2. Menus, settings and functions
2. Menus, settings and functions
2.11.1 Planning a no-stop dive
Toplanano-stopdive,enteradepthusing
the“+”or”buttons(depthwillchangein
3m/10ftincrements):Galileowillshowyou
what the corresponding no-stop time is.
Depths greater than the current MODare
not displayed. Press and hold“>>”atany
time to exit the dive planner and return to
the main menu.
F
NOTE:
If you have set ppO
2
max to OFF, the
planner will show only depths up to
a corresponding ppO
2
max value of
1.6bar.
At any point, press“>>” to switch to
the decompression dive planner for the
indicated depth. Galileo will add 1minute
totheno-stoptimeandshowtheresulting
decompression obligation.
2.11.2 Planning a decompression dive
Once in the decompression dive planner,
youcanchangethebottomtimein1minute
stepsviathe+”and”buttons.Everytime
you increase the bottom time, Galileo shows
you the corresponding decompression
schedule in terms of deepest stop, time at
deepest stop and total ascent time.
Pressing“>>”whileinthedecompression
diveplannerwillbringyoubacktotheno-
stop dive planner. This allows you to choose
a different depth and continue planning. To
exit the dive planner at any point in time,
press and hold“>>”.This will bring you
back to the main menu.
2.12 Reviewing the logbook
A dive is entered into the logbook if the
divetimeislongerthan2minutes.Galileo
can record the profiles of approximately
100 hours of diving. The information can
be transferred to PC via the SmartTRAK
software and an infrared interface (see
Chapter 4 for details). In addition, Galileo
can show most of the information directly on
the display. You can reach the logbook from
the main menu or by pressingthe“LOG”
button from the time of day display.
Upon first entering the logbook menu, a
summary page is presented with each dive
reduced to a two-line format. These two
lines contain:
- sequentialdivenumber(themostrecent
diveisalwaysdivenumber1)
- date
- time
- maxdepth
- bottomtime.
2. Menus, settings and functions
2. Menus, settings and functions
39
English
Using the” and” buttons, you can
scroll through the entire list of dives.
Press ENTR” to look up any particular
dive. For each dive there are 5 pages.
The first page contains details about depth,
time, set oxygen concentration, minimum
water temperature and dive number for
that day. By pressing“>>
you advance
to the second page of the log, whereas by
pressing“<<
you advance to the last page
of the log.
The second page shows the depth and the
temperature profiles. Pressing >>”brings
you to the third page of the log.
The third page shows the time the dive
started, the time the dive ended, the surface
intervalpriortothisdive,theCNSO
2
level
at the end of this dive and the average
depth of the dive.
The fourthpage shows the MB level with
which the dive was started and, if there was
an MB level reduction, what the nal MB
levelwas.Italso showsaltitudeclass,the
lowest battery level during the dive and the
amount of gas consumed.
The fifth page shows a listing of all the
alarms and warnings that were triggered
during the dive.
Within the list of dives there is also Dive
statistics with a range of dates. On this
page you can see the longest dive ever
made with the computer, the deepest dive,
the total time spent underwater, the total
number of dives and also the number of
hoursthat the computerhasbeenon (on
the surface or diving) since the last battery
change.
At any point in time inside the Logbook
menu, press
EXIT”toreturntothemain
Logbook menu.
40
3. Diving with Galileo
3. Diving with Galileo
3. DIVING WITH GALILEO
3.1 Nitrox
Nitrox is the term used to describe breathing
gasesmadeofoxygen-nitrogenmixeswith
oxygen percentage higher than 21% (air).
Because Nitrox contains less nitrogen
than air, there is less nitrogen loading on
the diver’s body at the same depth as
compared to breathing air.
However, the increase in oxygen
concentration in Nitrox implies an increase
in oxygen partial pressure in the breathing
mix at the same depth. At higher than
atmospheric partial pressures, oxygen can
have toxic effects on the human body. These
can be lumped into two categories:
- Suddeneffectsduetooxygenpartial
pressureover1.4bar.Thesearenot
related to the length of the exposure to
high partial pressure oxygen, and can
vary in terms of the exact level of partial
pressuretheyhappenat.Itiscommonly
accepted that partial pressures up to
1.4bararetolerable,andseveraltraining
agencies advocate maximum oxygen
partialpressuresupto1.6bar.
- Long-exposureeffectstooxygen
partialpressuresover0.5bardueto
repeated and/or long dives. These can
affect the Central Nervous System,
cause damage to lungs or to other vital
organs.
Galileo keeps you safe with respect to these
two effects in the following ways:
1)Against sudden effects: Galileo has
an MOD alarm set for a user-dened
ppO
2
max. As you enter the oxygen
concentration for the dive, Galileo
shows you the corresponding MOD
for the dened ppO
2
max. The default
value of ppO
2
max from the factory is
1.4bar. This can be adjusted to your
preference between 1.2 and 1.6bar.It
can also be turned OFF.Pleasereferto
section 2.3.4 for more information on
how to change this setting.
2)Against longexposureeffects: Galileo
“tracks”theexposurebymeansofthe
CNSO
2
clock. Atlevels of100% and
higher there is risk of long-exposure
effects, and consequently Galileo will
activate an alarm when this level of
CNSO
2
is reached. Galileo can also
warn you when the CNSO
2
level
reaches75%(seesection2.6.2).Note
thatthe CNSO
2
clock is independent
of the value of ppO
2
max set by the
user.
The CNSO
2
clock increases when the
oxygen partial pressure is higher than
0.5bar, and decreases when the oxygen
partialpressureislowerthan0.5bar.Hence,
while on the surface breathing air you will
always be decreasing the CNSO
2
clock.
Duringthedive,thedepthatwhich0.5bar
is reached for various mixes is as follows:
Air: 13m/43ft
32%: 6m/20ft
36%: 4m/13ft
ppO
2
0.21bar
0.5bar
Depth
at which ppO
2
reaches 0.5bar for
three commonly
used mixes
CNS O
2
%
decreases
CNS O
2
%
increases
21% 13m (43ft)
32% 6m (20ft)
36% 4m (13ft)
3.2 Alarms
Galileo can alert you of potentially dangerous
situations via warnings and alarms.
Warnings represent situations that require
the diver’s attention, but ignoring them
does not represent an immediate risk. The
detailed description of each warning and
how it appears on the screen is presented
insection2.6.
Alarms, on the other hand, can not be
turned off because they represent situations
3. Diving with Galileo
3. Diving with Galileo
41
English
that do require immediate action by the
diver. There are six different alarms:
1.Ascentratealarm
2.ExceedingasafeppO
2
/MOD
3.CNSO
2
=100%
4.Misseddecompressionstop
5.RBT=0minutes
6.Lowbatteryduringthedive
!
WARNING
When in gauge mode, all warnings and all
alarms are OFF aside for the low battery
alarm.
F
NOTE:
- Alarms are both visual and audible,
as described in detail below.
- If you are in COMPASS mode
when an alarm is triggered, Galileo
will revert to the regular computer
display (CLASSIC, LIGHT or
FULL) in order to properly display
the message related to the alarm.
- Ascent rate alarm has priority over
other alarms if they are triggered
simultaneously.
- If warnings are activated while
alarms are showing, the former will
show only after the alarms have
expired and only if they are still
applicable at that time.
3.2.1 Ascent rate
As you ascend during a dive, the pressure
surroundingyoudiminishes.Ifyouascend
tooquickly,theensuingpressurereduction
couldleadtomicrobubbleformation.Ifyou
ascend too slowly, the continued exposure
to high ambient pressure means that you
will continue loading some or all of your
tissues withnitrogen. Consequently, there
is an ideal ascent rate that is slow enough
tominimizemicrobubbleformationyetfast
enoughtominimizetheeffectofcontinued
loading on your tissues.
The pressure reduction that the body can
tolerate without significant microbubble
formation is higher at depth than it is in
the shallows: the key factor is not the
pressure drop by itself, but rather the ratio
of the pressure drop relative to the ambient
pressure. This means that the ideal ascent
rate at depth is higher than it is in the
shallows.
Along these lines, Galileo employs a variable
ideal ascent rate: its value ranges between
7and20m/minandtheactualbreakdown
by depth range is listed in the table below.
depth
(m)
<6 <12 <18 <23 <27 <31
<35 <39 <44 <50 >50
speed
(m/min)
7 8 9 10 11 13
15 17 18 19 20
depth
(ft)
<20 <40 <60 <75 <88<101
<115 <128<144<164>164
speed
(ft/min)
23 26 29 33 36 43
49 56 59 62 66
During an ascent, the nitrogen loading bar
graph is replaced by a graphical ascent
rate indication. The full height of the bar
graph represents twice the ideal ascent
rate, so that when you are ascending at
the ideal ascent rate half of the bar graph
islit. If morethanhalf of thebarislityou
are ascending too fast. In addition, for
CLASSIC and FULL only, Galileo displays
the ascent rate numerically in place of the
temperature.
Ifthe ascent rateisgreaterthan110% of
the ideal value the message ASCENT TOO
FAST! appears.
The following pictures show how the ascent
rate alarm message and the ascent rate
value are displayed for the various screen
configurations.
42
3. Diving with Galileo
3. Diving with Galileo
Galileo also provides an audible alarm in
caseofascentratesexceeding110%:the
intensity of the alarm increases in direct
proportion to the degree that the ideal
ascent rate is exceeded.
- Incaseofafastascent,Galileomay
requireadecompressionstopeven
withintheno-stopphasebecauseofthe
danger of microbubble formation.
- Fromgreatdepthaslowascent
may cause heightened saturation
of tissues and an extension of both
decompression duration and total
ascent time. At shallow depth, a slow
ascent may shorten the decompression
duration.
- Excessiveascentratesforlonger
periods are entered in the logbook.
!
WARNING
The ideal ascent rate must not be exceeded at
any time since this could lead to microbubbles
in the arterial circulation which could cause
serious injury or death.
Boththevisualandtheaudiblealarmpersist
foras long astheascentrateis110% or
more of the ideal ascent rate.
3.2.2 MOD/ppO
2
!
WARNING
- The MOD should not be exceeded.
Disregarding the alarm can lead to oxygen
poisoning.
- Exceeding a ppO
2
of 1.6bar can lead to
sudden convulsions resulting in serious
injury or death.
In CLASSIC configuration, the alarm
message MOD EXCEEDED is displayed
inplace of theno-stopordecompression
informationfor12seconds,afterwhichitis
repeatedin4secondintervals.Inaddition,
the current depth is shown in inverted
colors (white on a black background),
and in the lower left corner MOD and the
value of the MOD are displayed, also in
inverted colors. Alternate information is
accessible as described in section 3.3.2,
but after 5seconds the inverted MOD is
again shown. This will not change until
thediverascends1m/3ftabovetheMOD.
The audible signal persists until the diver
ascends1m/3ftabovetheMOD.
InLIGHT configuration, the alarm message
MOD EXCEEDED is displayed in place of
the no-stop information for 12seconds,
after which it is repeated in 4second
intervals. In addition, the current depth is
displayed in inverted colors (white on a
black background) and remains like this
until the diver ascends 1m/3ft above the
MOD.Theaudiblesignal persists until the
diverascends1m/3ftabovetheMOD.
3. Diving with Galileo
3. Diving with Galileo
43
English
InFULL configuration, the alarm message
MOD EXCEEDED is displayed in place of
the no-stop ordecompressioninformation
for12seconds,afterwhichitisrepeatedin
4second intervals. Inaddition,the current
depthisshownininvertedcolors(whiteon
a black background), and MOD and the
value of the MOD are displayed in place
of the max depth, also in inverted colors.
This will not change until the diver ascends
1m/3ftabovetheMOD.Theaudiblesignal
persists until the diver ascends 1m/3ft
abovetheMOD.
3.2.3 CNS O
2
= 100%
!
WARNING
When the CNS O
2
reaches 100% there is
danger of oxygen toxicity. Start procedure to
terminate the dive.
In CLASSIC configuration, the alarm
message CNS O
2
= 100% is displayed
inplace of theno-stopordecompression
information for 12 seconds and during
this time the audible signal goes off.
In addition, in the lower left corner, the
CNSO
2
information is displayed in inverted
colors(white on ablackbackground)and
remains displayed until the CNSO
2
value
drops under 100%. Alternate information
isaccessibleasdescribedinsection3.3.2,
butafter5secondstheinvertedCNSO
2
is
again shown.
InLIGHT configuration, the alarm message
CNS O
2
= 100% is displayed in place of
the no-stop information for 12seconds
and during this time the audible signal
goes off. In addition, after the text
message extinguishes, the CNSO
2
is
displayed in inverted colors (white on a
black background) in the lower left corner,
alternating every 4seconds with the tank
pressure information. This will remain so for
aslongastheCNSO
2
value is higher than
100%.Alternateinformationisavailableas
describedinsection3.3.3.
InFULL configuration, the alarm message
CNS O
2
= 100% is displayed in place of
theno-stopordecompressioninformation
for 12seconds and during this time the
audible signal goes off. In addition, the
CNSO
2
information is displayed in inverted
colors(white on ablackbackground)and
remains displayed until the CNSO
2
value
dropsunder100%.
44
3. Diving with Galileo
3. Diving with Galileo
In all congurations, the alarm message
and the audible signal are repeated for
5seconds in 1minute intervals after the
first occurrence and for as long as the value
ofCNSO
2
staysatorabove100%oruntil
theppO
2
dropsunder0.5bar(seesection
3.1foralistofdepthsatwhichppO
2
equals
0.5barforsometypicalNitroxmixes).
3.2.4 Missed decompression stop
!
WARNING
Violating a mandatory decompression
obligation may result in serious injury or
death.
In CLASSIC configuration, the alarm
message MISSED DECO STOP! is
displayedfor12secondsinthebottomrow
and the depth is shown in inverted colors
(whiteonblackbackground)foraslongas
the diver stays above the prescribed stop
depth. The audible signal persists until the
diver descends to the prescribed depth or
deeper.
InFULL configuration, the alarm message
MISSED DECO STOP! is displayed for
12seconds in the bottom row and the
depth is shown in inverted colors (white
on a black background) for as long as
the diver stays above the prescribed stop
depth. The audible signal persists until the
diver descends to the prescribed depth or
deeper.
3.2.5 RBT = 0 minutes
The RBT (remaining bottom time) is the
time you can spend at the current depth
and still have enough gas supply to make a
safe ascent and reach the surface with the
tankreserve.TheRBTcalculationisbased
on your current breathing rate, accounts for
any existing and upcoming decompression
obligation and for any temperature gradient
in thewater. It assumes an ascent at the
idealascentrate(denedinsection3.2.1).
WhentheRBTreaches0minutes,analarm
is triggered: Galileo has computed that if
you start your ascent now and ascend at
the ideal ascent rate, you will arrive at the
surface with just the tank reserve, and any
further delay increases the risk that you
run out of gas supply before reaching the
surface.
!
WARNING
If the RBT drops to 0 minutes, your gas supply
is dangerously low and you may not be able
to complete a safe ascent. This may result in
serious injury or death. Do not let the RBT drop
to 0 minutes!
In CLASSIC configuration, the alarm
message RBT = 0 MIN is displayed in
place of the no-stop or decompression
information for 12 seconds and during
this time the audible signal goes off. In
addition,inthelowerrightcorner,theRBT
information is displayed in inverted colors
(whiteonablackbackground).Theaudible
signaldoesnotstopunlesstheRBTgrows
to 1minute or more, or if the depth is
6.5m/20ftorshallower.
3. Diving with Galileo
3. Diving with Galileo
45
English
InLIGHT configuration, the alarm message
RBT = 0 MIN is displayed in place of the
no-stop information for 12 seconds and
during this time the audible signal goes
off. In addition, after the text message
extinguishes,theRBTisdisplayedininverted
colors(whiteonablackbackground)inthe
lower right corner. The audible signal does
notstopunlesstheRBTgrowsto1minute
or more, or if the depth is 6.5m/20ft or
shallower.
In FULL configuration, the alarm message
RBT = 0 MIN is displayed in place of the
no-stop or decompression information
for 12seconds and during this time the
audiblesignalgoesoff.Inaddition,theRBT
information is displayed in inverted colors
(whiteonablackbackground).Theaudible
signaldoesnotstopunlesstheRBTgrowsto
1minuteormore,orifthedepthis6.5m/20ft
or shallower.
Additionally, for all configurations, if the
tank pressure reaches the specified tank
reserve, the message TANK RESERVE
REACHED is displayed on the screen
for 12 seconds and the tank pressure
information is displayed in inverted colors
(whiteonablackbackground).
3.2.6 Low battery
!
WARNING
Do not start a dive if the REPLACE
BATTERY message is displayed on the
screen on the surface. The computer may fail
to function during the dive and this could lead
to serious injury or death.
During the dive, Galileo alerts you of
precarious battery situations in two ways:
- BydisplayingLOW BATTERY on the
screen. This means you can finish the
dive but you should replace the battery
once you return to the surface.
- BydisplayingREPLACE BATTERY
on the screen. This means you need
to start the procedure to terminate the
dive, as there is not enough energy in
the battery to ensure proper continued
functioning and the computer may fail.
During a REPLACE BATTERY alarm,
the backlight cannot be activated, the
audible warnings and alarms are not
available anymore and the compass
cannot be activated.
In a LOW BATTERY situation, the
message is displayed at the bottom of the
screen in 4second intervals. In LIGHT
screen configuration, the display switches
to CLASSIC to allow for all the relevant
information to be shown.
46
3. Diving with Galileo
3. Diving with Galileo
!
WARNING
If the REPLACE BATTERY message
appears during the dive, start the procedure to
terminate the dive, as the computer may fail.
Do not let the battery reach this condition!
In a REPLACE BATTERY situation, the
message is displayed on the bottom of
thescreenin4secondintervals.InLIGHT
screen configuration, the display switches
to CLASSIC to allow for all the relevant
information to be shown.
In addition to monitoring the status of its
own battery, Galileo also monitors the
status of the battery in the Smart transmitter
and alerts you when the battery is low and
should be replaced. The message T1
BATTERY LOW is displayed on the middle
rowofthescreenin4secondintervals.In
LIGHT screen configuration, the display
switches to CLASSIC to allow for all the
relevant information to be shown.
3.3 Display information
Upon immersion, the water contacts will
automatically activate Galileo, unless they
have been turned OFF. In this case, you
must activate the computer manually
beforestartingthedive.Seesection2.8.6
for more information.
At a depth of 0.8m/3ft, Galileo starts to
monitor depth and time and also to perform
decompression calculations.
Details on the information displayed can be
found in the next sections.
3.3.1 Description of entries
This section complements the information
listed in the Glossary by adding specific
details about Galileo’s screen while diving.
The dive time is displayed as dive time
inminutes.Ifduringthediveyouascendto
the surface, the time spent on the surface
will only be counted if you descend again
below 0.8m/3ft within 5minutes. This
allows for brief periods of orientation.
While on the surface, the time will not
show as progressing but it is running in the
background. As soon as you submerge,
the time will resume, including the time
spent on the surface.
3. Diving with Galileo
3. Diving with Galileo
47
English
Maximumdisplayedtimeis999minutesfor
CLASSIC and FULL configurations and
99minutes for LIGHT configuration. For
dives longer than that, the dive time starts
againfrom0minutes.
Depth: the depth is given in 10cm
resolutionuntil 99.9meters, afterwhich it
isgivenin1mresolution.Whenthedepth
is displayed in feet, the resolution is always
1foot.Atadepthshallowerthan0.8m/3ft,
thedisplayshows–––.Maximumpossible
depth is 330m/1084ft. At depth greater
than1,000ft,theleading“1”isnotshown,
so1084ftwillbedisplayedas“084ft”.
!
WARNING
Galileo functions as a decompression computer
to a depth of 120m/394ft only. At depths deeper
than 120m/394ft it will automatically switch
to gauge mode and it cannot be used as a
decompression computer for the remainder of
the dive. To alert you of the imminent switch, at
depths between 115m/377ft and 120m/394ft
Galileo displays the message SWITCHING
TO GAUGE.
No-stop time: calculated in real time and
updated every 0.5seconds. Maximum
displayed no-stop times are 199minutes
for CLASSIC and FULL configurations and
99minutesforLIGHT configuration.
!
WARNING
During all dives, perform a safety stop
between 3 and 5 meters/10 and 15 feet for 3
to 5 minutes, even if no decompression stop
is required.
Temperature: Galileo displays the water
temperature during the dive and the air
temperature on the surface.
RBT: TheRBT (remaining bottom time)is
the time you can spend at the current depth
and still have enough gas supply to make a
safe ascent and reach the surface with the
tankreserve.TheRBTcalculationisbased
on your current breathing rate, accounts for
any existing and upcoming decompression
obligation and for any temperature gradient
in thewater. It assumes an ascent at the
idealascentrate(denedinsection3.2.1).
WhentheRBTreaches0minutes,itmeans
that Galileo has computed that if you start
your ascent now and ascend at the ideal
ascent rate, you will arrive at the surface
with just the tank reserve, and any further
delay increases the risk that you run out of
gas supply before reaching the surface.
F
NOTE:
- Galileo needs approximately
2 minutes to analyze your
breathing pattern, thus the RBT
is not displayed during these first
2 minutes.
- When you are close to the
depth of the deepest mandatory
decompression stop, the RBT
indicates the time you can stay at
that depth before reaching the tank
reserve.
Tank pressure: based on the signal
from the Smart transmitter. The Smart
transmitter has a range of 1.5m/5ft.
Unlike other UWATECgas-integrated dive
computers, this value is not temperatur
compensated. Temperature-compensated
is still performedto ensure a correct RBT
calculation, but the uncompensated value
is displayed.
48
3. Diving with Galileo
3. Diving with Galileo
!
WARNING
- If Galileo receives no signal from the
transmitter for 30 seconds, an audible
sequence goes off and the message NO
PRESSURE SIGNAL appears on the display
for 12 seconds.
- If after another 40 seconds Galileo still has
not received any signal from the transmitter,
another audible sequence goes off and the
message PRESSURE SIGNAL LOST appears
for 12 seconds, after which the RBT is not
displayed any longer and the tank pressure
is replaced with – . Check the position of
Galileo with respect to the transmitter. Start
ascending if you don’t get a tank pressure
reading.
- If you set PRESSURE SIGNAL to OFF
as described in section 2.6.8, you will not
get these warnings. In such case it is very
important that you constantly monitor the
tank pressure to avoid a low-gas supply
situation.
- If the tank pressure reaches 14bar/200psi,
the transmitter will turn off and Galileo will
not show tank pressure any longer.
Buddy tank pressure: if your dive buddy
also uses an UWATEC Smart transmitter,
you can pair its signal to the BUDDY tank
designation in your Galileo. Then, as long
asyouarewithin1.5m/5ftofyourbuddy’s
transmitter, you can see the corresponding
tank pressure on the screen of your
Galileo.
Oxygen bar graph: This is the bar graph
on the left side of the display (CLASSIC
and FULL configurations) and it represents
oxygen toxicity. The bar graph is made
of ten segments. The first segment lights
up at a CNSO
2
value of 5%, all other
segments light up in 10% increments
thereafter. At eight segments the CNSO
2
value corresponds to 75%, for which a
warning can be triggered (see section
2.6.2).At95%allsegmentsarelit.At100%
theCNSO
2
alarm is triggered.
5%
15%
25%
35%
45%
55%
65%
75%
85%
95%
1-6*
7-9**
10***
Nitrogen bar graph: This is the bar graph
ontherightsideofthedisplay(CLASSIC,
LIGHT and FULL congurations). It
represents nitrogen saturation in the
leading tissue compartment. The bar
graph is made of ten segments. The first
nine segments represent gradually more
loading but still within no-stop diving; the
tenth segment represents the need for a
mandatory decompression stop.
1-6segments:Youaresafelywithintheno-
stopzone.
7-9 segments: You are approaching
decompression.
10 segments: You have a mandatory
decompression obligation.
During a surface interval, the segments will
graduallyturnoffasGalileotrackstheoff-
gassing of your tissues.
Tank pressure bar graph: In CLASSIC
and FULL configurations, you can choose
to replace the oxygen bar graph with a tank
pressure bar graph as described in section
2.8.2.Eachsegmentofthegraphwillthen
represent one tenth of the set maximum
tankpressure.Inthe default setting,each
segmentrepresents20bar/300psi.
Decompression information: deepest
stop, time at deepest stop, total ascent
time: when Galileo calculates the need for
a mandatory decompression stop, it shows
you AT what depth you need to stop first
(deepeststop)andFORhowlong(timeat
deepest stop). It also gives you the total
ascenttime(TAT). Total ascent times longer
than199minutesareshownas“--”.
ToemphasizethechangefromaNO STOP
dive to a DECOMPRESSION dive, this
information is inverted in color, i.e. white
numbers over a black background.
3. Diving with Galileo
3. Diving with Galileo
49
English
Decompression information at MB L0: if
youaredivingwithanMBleveldifferentthan
MB L0,you canask Galileoto show you
the decompression information pertinent to
theunderlyingMBL0calculation.Formore
information on MB levels, please refer to
section3.5.
3.3.2 CLASSIC screen configuration
This screen configuration presents dive
parameterinformationinaclassicUWATEC
arrangement. More specifically, the following
information is displayed:
- currentdepth
- divetime
- no-stoptime(onlyduringno-stopphase
of dive)
- deepeststop,durationofdeepest
stop,totalascenttime(onlyduring
decompression phase of dive)
- tankpressure
- RBT
- oxygenconcentration(untilmaximum
depth is reached)
- maximumdepth(onlyifmaxdepthis
1m/3ftgreaterthancurrentdepth)
- watertemperature
- nitrogenloading(viarightbargraph)
- oxygentoxicity(vialeftbargraph)
Upon pressingthemiddlebutton(marked
MORE
), the information in the left corner
changesinthefollowingsequence:
- maxdepth
- O
2
%
- stopwatch
- buddytankpressure(onlyifBUDDY
tank designation has been paired, see
section1.11)
- (activeMBlevelifdifferentthanL0)
- (no-stopordecompressioninformation
relativetoL0ifanMBlevelbetweenL1
andL5isactive,seesection3.5.3)
- timeofday
- CNSO
2
- averagedepth
- ppO
2
Each time you press the button the
information changes to the next one in the
sequenceandstaysthereuntilyoupress
the buttonagain. If you press the button
whiletheppO
2
is displayed, the cycle starts
again from the maximum depth.
The stopwatch runs in the background
at all times. Each press of the left button
(
BOOK
) resets and restarts it, whether it
is showing on the display or not.
3.3.3 LIGHT screen configuration
This screen configuration is meant for
those divers that prefer to focus only on the
essential information for the dive, yet retain
the ability to access some of the remaining
information as alternate fields.
The LIGHT configuration is possible
during no-stop diving only: as soon as
you enter level stops or deco, the screen
configuration will automatically switch to
the CLASSIC layout in order to fit all the
relevant information.
50
3. Diving with Galileo
3. Diving with Galileo
F
NOTE:
Only the shorter between no-stop
time and RBT is shown in LIGHT
configuration. If your remaining gas
supply is such that you will enter
level stops or deco prior to reaching
an RBT of 0 minutes, the no-stop
time will be displayed on the screen,
emphasized by the NO STOP label. If
on the other hand your remaining gas
supply is such that you will reach RBT
of 0 minutes while still in the no-stop
phase, then the RBT will be displayed
on the screen, emphasized by the
RBT label.
More specifically, the following information
is displayed:
- currentdepth
- divetime
- theshorterbetweenno-stoptimeand
RBT
- tankpressure
- nitrogenloading(viabargraph)
!
WARNING
After a PRESSURE SIGNAL LOST warning,
Galileo is not able to compute the RBT any
longer. In such case, the LIGHT configuration
shows the no-stop time but this does not imply
that you have enough gas supply to remain at
that depth for that amount of time.
Upon pressingthemiddlebutton(marked
MORE
), you can retrieve alternate
information. This information appears
instead of the tank pressure and stays
on the display only for 4seconds, after
which the tank pressure is shown again.
The alternate information appears in the
followingsequence:
- maximumdepth
- O
2
%
- temperature
- buddytankpressure(onlyifBUDDY
tank designation has been paired, see
section1.11)
- (activeMBlevelifdifferentthanL0)
- (no-stopinformationrelativetoL0ifan
MBlevelbetweenL1andL5isactive,
seesection3.5.3)
- timeofday
- CNSO
2
Each time you press the button the
information changes to the next one in the
sequence and stays there for 4seconds
beforerevertingtothetankpressure.Ifyou
press the
MORE
button again after the
field has reverted to your tank pressure, the
sequenceofadditionalinformationwillpick
up again from the last displayed data.
3.3.4 FULL screen configuration
This screen configuration is meant for
those divers that prefer to have as much
information as possible displayed at once.
More specifically, the following information
is displayed:
- currentdepth
- divetime
- no-stoptime(onlyduringno-stopphase
of dive)
- deepeststop,durationofdeepest
stop,totalascenttime(onlyduring
decompression phase of dive)
- tankpressure
- RBT
- timeofday
- stopwatch
- activeMBlevel
- CNSO
2
- temperature
- averagedepth
3. Diving with Galileo
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51
English
- maximumdepth
- oxygenconcentration
- nitrogenloading(viarightbargraph)
- oxygentoxicity(vialeftbargraph)
Upon pressingthemiddlebutton(marked
MORE
), the information in the left corner
changesinthefollowingsequence:
- O
2
%
- buddytankpressure(onlyifBUDDY
tank designation has been paired, see
section1.11)
- (no-stopordecompressioninformation
relativetoL0ifanMBlevelbetweenL1
andL5isactive,seesection3.5.3)
- ppO
2
Each time you press the button the
information changes to the next one in the
sequenceandstaysthereuntilyoupress
the buttonagain. If you press the button
whiletheppO
2
is displayed, the cycle starts
again from the oxygen concentration.
The stopwatch is reset and restarted by
pressingtheleftbutton(
BOOK
).
3.4 Special functions
common to CLASSIC,
LIGHT and FULL
configurations
3.4.1 Accessing and using the digital
compass
In all layouts, a press and hold of the
right button (marked LIGHT
) brings
up the digital compass display on your
computer screen. The display also shows
the depth, the dive time, the tank pressure
and the shortest between the no-stop
time and the RBT. In case of level stops
or decompression, the lower right corner
alternates every 4seconds between
decompression information and tank
pressuretogetherwithRBT.Apress and
hold of the right button from the compass
display returns to the computer display.
This also happens after the set auto-off
timedenedinsection2.4.2.
F
NOTE:
If you are in compass mode when
Galileo is about to end the no-stop
phase, the screen will revert to the
regular computer display regardless
of the set auto-off time. Press and
hold the right button again if you wish
to return to the compass display.
Inthislay-out,thebuttonfunctionschange
slightly. The middle button is now marked
SET
. Pressing this button will set the
bearing. Compass bearing represents
the direction the front of the computer is
pointedat.Itisexpressedindegrees,from
0to359.0degreesisNorth,90degreesis
East,180degreesisSouth,270degreesis
Westandanyotherreadingisinterpolated
in between.
The message
SET BEARING SUCCESSFUL
will show on the display and a dot will appear
in the position of the set bearing. Setting a
bearing allows you to navigate towards a
reference direction. A press and hold of
the middle button will erase the set bearing.
Note that the set bearing stays in memory
until you either set a new one or erase it. All
set bearings are kept in the profile memory
andcan beviewedwithSmartTRAK after
downloadingthedivetoaPC.
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3. Diving with Galileo
3. Diving with Galileo
Ifyouhavesetareferencebearing,arrows
will appear to the left or to the right of the
numeric bearing indication, to show you in
which direction you should turn in order to
match the set bearing. As an additional aid
in navigation, Galileo automatically marks
the positions at 90 and 120 degrees to
the left and to the right of the set bearing,
inaddition tothepositionat 180 degrees
(as an aid for square-course, triangular-
course and reciprocal-course navigation
respectively). These are denoted with
,
and .
Theleftbutton(“BOOK”)stillallowsyouto
set bookmarks.
3.4.2 Setting bookmarks
By pressing the leftbutton (BOOK”) you
can set any number of bookmarks as
reminders of particular moments during the
dive.InCLASSIC, FULL and COMPASS
configurations, setting a bookmark also
resets the stopwatch.
When you set a bookmark, Galileo
will display the confirmation message
BOOKMARK SET(ifthesafetystoptimer
is visible on the display, the message is not
displayed. In FULL and GAUGE display
configurations it also does not show, since
the reset of the stopwatch is already an
indication that the bookmark was set
successfully). The bookmarks will appear
onthediveproleinSmartTRAK.
3.4.3 Safety stop timer
At the end of a dive, at depths of
6.5m/20ftorshallowerandifthereareno
decompression obligations, the left button
label changes from BOOK” to TIMER”
(unless the option is turned OFF, see
section2.3.3).
If SAFETY STOP TIMER in DIVE
SETTINGS is set to AUTOMATIC:
If a minimum depth of 10m/30ft has
been reached during the dive, at a depth
of 5m/15ft the safety stop timer will
automatically start a countdown and a
bookmark will be added to the dive profile.
If you go below 6.5m/20ft, the timer will
disappear andthe no-stop time is shown
again.Uponreturningto5m/15ft,thetimer
will start again automatically. As long as
youareshallowerthan6.5m/20ftandthere
are no decompression obligations, you
can press TIMER to start or restart the
countdown manually.
IfSAFETY STOP TIMER in DIVE SETTINGS
is set to MANUAL:
At a depth of 6.5m/20ft and shallower
pressing TIMER will activate the safety
stop timer and add a bookmark to the
dive profile. You can restart the timer any
numberoftimes.Ifyougobelow6.5m/20ft,
the timer will disappear and the no-stop
time will be shown again. You need to
press TIMER again upon ascending over
6.5m/20fttorestartthetimer.
If SAFETY STOP TIMER in DIVE
SETTINGS is set to OFF:
Itisnotpossibletoactivatethesafetystop
timer.
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53
English
In compass mode, the safety stop timer
works the same way as in the CLASSIC,
LIGHT and FULL congurations. If the
safety stop timer is active while switching
from one configuration to the other, the
timer information itself will transition
smoothly between displays.
3.4.4 Viewing dive profile, individual
compartment saturation and
pictures
You can view your dive profile by pressing
and holding the middle button (marked
MORE”).Thescreenwillshowagraphic
representation of your dive profile together
with a line representing either your possible
direct ascent (if inno-stop mode)or your
decompressionprole(ifindecompression
mode). The dive profile will remain on your
screenforamaximumof12secondsand
then the dive computer information will
appear again. You can revert to the dive
computer screen at any time by pressing
and holding the right button.
Pressing MORE” while the dive prole
is displayed brings up a graphical
representation of the relative saturation for
each of the eight compartments modeled
by the ZH-L8 ADT MB algorithm. The
height of each bar indicates the ratio of
the current tissue loading with respect to
the maximum tolerable loading, expressed
in percentage. The color denotes whether
the compartment is on-gassing or off-
gassing: grey denotes compartments
that are off-gassing, while black denotes
compartments that are on-gassing. This
representation, aside for the colors, is
analogoustothatgivenbytheSmartTRAK
software described in section 4.3. This
graphical representation will remain on your
screenforamaximumof12secondsand
then the dive computer information will
appear again. You can revert to the dive
computer screen at any time by pressing
and holding the right button.
54
3. Diving with Galileo
3. Diving with Galileo
IfyouhaveuploadedpicturesontoGalileo,
you can view them during the dive by
pressing MORE” while the individual
compartment saturation is displayed. Every
time you press MORE”whileapictureis
showing, the next picture in the memory
sequenceofGalileowillbecalledup.Each
picture stays on the screen for a maximum
of12seconds. Youcanreverttothe dive
computer screen at any time by pressing
and holding the right button.
F
NOTE:
- Profile, compartment saturation
and pictures can be viewed for a
maximum of 1 minute, after which
the regular dive computer screen
will appear again.
- If any warning or alarm is triggered
while you are viewing the profile,
compartment saturation or the
pictures, Galileo will immediately
revert back to the dive computer
screen.
3.4.5 Activating the backlight
To activate the backlight, press the right
button (marked LIGHT”). The default
duration of the backlight is 6 seconds, but
you can set it between 2 and 12 seconds
in1 second increments.You canalsoset
it to PUSH ON/PUSH OFF, which means
the light stays on until you turn it off by
pressing the button again.
F
NOTE:
The backlight is not available when
the REPLACE BATTERY warning
appears.
3.5 Diving with MB levels
Microbubbles are tiny bubbles that can
build up inside a diver’s body during any
dive and normally dissipate naturally during
an ascent and on the surface after a dive.
Diveswithinno-stoptimeandobservance
of decompression stops do not prevent the
formation of microbubbles in the venous
bloodcirculation.Galileohasbeenequipped
with an enhanced UWATEC algorithm,
named ZH-L8 ADT MB, to reduce the
formation of these microbubbles.
This enhanced algorithm allows the user
to choose a level of conservatism over
and in addition to the worldwide proven
safety record ofthe standard ZH-L8 ADT
algorithm. There are five levels of added
conservatism(orMBlevels),fromL1toL5,
with L5 being the most conservative and
L1beingjustabitmoreconservativethan
the standard ZH-L8 ADT, here referredto
asL0.
ChoosinganMBlevelbetweenL1andL5
makes the algorithm more conservative,
therefore the diver will have either shorter
no-stop times or deeper and longer
decompression stops (referred to as
level stops) than when diving with L0.
Consequently the bodywilleither takeup
lessnitrogen(shorterno-stopdives)orwill
beabletooff-gasmorebeforereturningto
the surface (dives with level stops). Both
work towards reducing the amount of
microbubbles present in the body at the
end of the dive.
Pleaserefertosection2.3.1forinformation
onsettingtheMBlevel.
3. Diving with Galileo
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55
English
3.5.1 MB Glossary
Deco stop: decompression stop as
requestedbyL0;mandatory.
L0: baseline algorithm corresponding to
ZH-L8ADT.
L1: first and lowest level of added
conservatism.
L2: second level of added conservatism.
L3: third level of added conservatism.
L4: fourth level of added conservatism.
L5: fifth and highest level of added
conservatism.
Level stop: decompression stop as
requestedbyactiveMBlevels L1 through
L5;notmandatory.
Reduced level stop: decompression stop
asrequestedbynewactiveMBlevel,after
anMBlevelreductionhastakenplacedue
toviolationoflevelstoprequirement.
ZH-L8 ADT: UWATEC’sadaptive8-tissue
algorithm.
ZH-L8 ADT MB: UWATEC’s adaptive
8-tissue algorithm with MB levels (added
conservatism).
56
3. Diving with Galileo
3. Diving with Galileo
3.5.2 Display information
WhendivingwithanMBlevelotherthanL0,Galileostillcarriesoutallcalculationsrelatingto
L0inthebackground.TounderstandtherelationbetweensetMBlevelandtheunderlying
L0calculationandhowtheinformationappearsonthedisplay,weshallusetheexampleof
adivewithMBL3setinthedivecomputer.
Situation
L3 information
on display
L0 information
in background
Display details
1
No-stop No-stop DisplayshowsL3no-stoptime.L0no-stoptimecan
be called up by pressing MORE.
2
Levelstop No-stop Display shows L3 level stop information. The L3
information is in black on a white background
becauseL0isstillinno-stoptime.Stopisdescribed
as LEVEL STOP.L0no-stoptimecanbecalledup
by pressing“MORE.
3
Levelstop Decompression
3.1
Levelstopisdeeperthandeco
stop
Display shows L3 level stop information. The L3
information is in white on a black background
because L0 is also in decompression. The stop
is described as LEVEL STOP because the stop
depthrelatestotheL3levelonly.L0decompression
information can be called up by pressing MORE.
3.2
Levelstopisatsamedepthas
deco stop
Display shows L3 level stop information. The L3
information is in white on a black background
because L0 isalsoin decompression. The stopis
described as LEVEL+DECO STOP because the
stopdepthisthesameforL3levelandforL0.The
TAT(totalascenttime)referstoL3levelstop,soas
the DECO STOP obligation is met, the description
of the stop depth changes from LEVEL+DECO
STOP to LEVEL STOP only. L0 decompression
information can be called up by pressing MORE.
Situation 2 Situation 3.1 Situation 3.2
3.5.3 Display of underlying L0 decompression information
Duringthedive,theinformationdisplayedisalwaysrelativetotheactiveMBlevel.However,
in the CLASSIC, LIGHT and FULLdisplay,theunderlyingL0dataisavailableasoneofthe
alternate informationelds.When pressing the
MORE button the appropriate number
of times,the L0 informationwill be visible instead of the active MBlevel information for
5seconds,afterwhichitisreplacedagainbytheinformationrelativetotheactiveMBlevel.
WhiletheL0informationisshown,thesymbolL0 precedes either the word NO STOP or
DECO STOP.Thisallowsyoutobeawareofwhatthemaximumpossibleno-stoptimeis
orwhatthemandatorydecompressionrequirementsare.
For CLASSIC and LIGHT,theunderlyingL0informationisshowninthesequencerightafter
theactiveMBlevelandbeforethetimeofday.Thisisdisplayedfor5secondsinsteadofthe
MBlevelno-stopordecompressioninformation.After5secondsitisreplacedagainbythe
informationrelativetotheactiveMBlevel.
3. Diving with Galileo
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57
English
For FULL layout, the underlying L0
informationisshowninthesequenceright
after the BUDDY tank pressure and before
theppO
2
.ThisisdisplayedinsteadoftheMB
levelno-stopordecompressioninformation
and remains there only for 5 seconds, after
which it is replaced again by the information
relativetotheactiveMBlevel.
F
NOTE:
The nitrogen bar graph always
references the underlying L0
calculation.
3.5.4 Cascading MB levels
When diving with an MB level, Galileo
carriesoutallcalculationsrelatingtoL0and
to all MB levels in between the currently
activeoneandL0.Thisgivesthediverthe
exibilitytostartwithagivenMBlevelbut
to cascade down to a less conservative
level during the dive: If you start the dive
at L4 but decide not to carry out all the
requiredL4stops,youcancascadedown
throughL3,L2,L1allthewaytoL0.Only
decompression stops relating to L0 are
mandatory and must be respected at all
times, whereas the level stops calculated
bytheMBlevelsarerecommendedbutnot
mandatory.Section3.5.5describeshowto
cascade to a lower level.
3.5.5 Level stop ignored/MB level
reduced
Ifa level stopisrequiredandyou ascend
1.5m/5ft or more above it, Galileo will
reduceyouractiveMBleveltothenextone
compatible with the current depth. When
this happens, the new active MB level is
permanentlydisplayedonthescreen.Itis
no longer possible to finish the dive with the
MB level setat the beginningof thedive.
Whenthelevelstopdepthisthesameas
the deco stop depth, ascending 1.5m/5ft
above it will cause Galileo to cascade down
toL0.
At the end of the dive, for 5 minutes after
reaching the surface, the active (reduced)
MB level is shown on the display. After
5 minutes Galileo changes to surface
mode andswitches back to the MB level
set prior tothedive, but thereduced MB
level is recorded on the fourth page of the
logbook.
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3. Diving with Galileo
3. Diving with Galileo
3.6 Altitude and the
decompression algorithm
Atmospheric pressure is a function of
altitude and of weather conditions. This
is an important aspect to consider for
diving, because the atmospheric pressure
surrounding you has an inuence on on-
gassingandoff-gassingofnitrogen.Above
a certain altitude, the decompression
algorithm has to change in order to account
for the effect of the change in atmospheric
pressure.
Galileo divides the possible altitude range
in 5 classes:
- class0(notindicatedonthecomputer
display): from sea level to approximately
1,000m/3,300ft(switchpointat
905mbar);
- class1:fromapproximately
1,000m/3,300fttoapproximately
2,000m/6,600ft(switchpointat
815mbar);
- class2:fromapproximately
2,000m/6,600fttoapproximately
3,000m/1,0000ft(switchpointat
725mbar);
- class3:fromapproximately
3,000m/10,000fttoapproximately
4,000m/13,300ft(switchpointat
610mbar);
- class4:aboveapproximately
4,000m/13,300ft.Inthisaltitudeclass
Galileo functions in gauge mode only
(automaticswitchfromcomputer
mode).
The altitude classes are defined in terms of
approximate elevations because the effect
of weather conditions can make the switch
point pressure occur at different levels.
4000 m
13120ft
2000 m
6560ft
1000 m
3280ft
3000 m
9840ft
0 m
No deco data
gauge mode
Switchpointat610mbar/8,85psi
Switchpointat725mbar/10,51psi
Switchpointat815mbar/11,82psi
Switchpointat905mbar/13,82psi
Galileo deals with altitude automatically: it
monitors the atmospheric pressure every
60seconds,evenwhenitisturnedoff,and
if it detects a sufficient drop in pressure, it
does the following:
- itswitcheson(ifitwasoff);
- itindicatesthenewaltituderangeby
means of black segments inside the
stylizedmountainand,ifapplicable,the
prohibited altitude range;
- itindicatesthedesaturationtime,which
in this case is an adaptation time to
thenewambientpressure.Ifadive
is started during this adaptation time,
Galileo considers it a repetitive dive,
since the body has residual nitrogen.
3.6.1 Prohibited altitude
Going to altitude, as much as ying after
diving, exposes your body to a reduced
ambient pressure. In a way similar to the
no-y time, Galileo advises you which
altitude classes are safe to reach after a
diveandwhicharen’t.Ifyouhavetodrive
over a mountain pass to return home after
adive,itcanbequiteimportanttohavethis
information.
The prohibited altitude classes are
displayed by grey segments inside the
3. Diving with Galileo
3. Diving with Galileo
59
English
stylized mountain. This can be combined
with black segments indicating current
altitude.Intheexampleabove,thediveris
presentlyataltitudeclass2andshouldnot
reachaltitudesofclass4.
Galileo has an altitude alarm: If you were to
reach an altitude that according to Galileo
is incompatible with your current residual
nitrogen levels, it will warn you with an
altitude alarm (see section 1.4 for more
information).
3.6.2 Decompression dives
in mountain lakes
Inordertoassureoptimaldecompression
even at higher altitudes, the 3m/10ft
decompression stage is divided into a
4m/13ftstageanda2m/7ftstageinaltitude
ranges1,2and3.
Ifatmosphericpressureisbelow610mbar
(altitude higherthan 4,000m/13,300ft),no
decompression calculation is carried out
by Galileo (automatic gauge mode). In
addition, the dive planner is not available in
this altitude class.
3.7 Gauge mode
WhenGalileoissettogaugemode,itwill
only monitor depth, time, tank pressure,
and temperature, and will not carry out
any decompression calculation. Maximum
displayed dive time in gauge mode is
99 hours and 59minutes. You can only
switch to gauge mode if the computer is
completely desaturated. All audible and
visual alarms, other than the low battery
alarm, are turned off.
!
WARNING
Dives in gauge mode are performed at your
own risk. After a dive in gauge mode you must
wait at least 48 hours before diving using a
decompression computer.
When on the surface in gauge mode,
Galileo will show neither the remaining
desaturationtimenortheCNSO
2
%value.
Itwillhoweverdisplayasurfaceintervalup
to24hoursanda48hourno-ytime.This
no-ytimeisalsothetimeduringwhichyou
cannot switch back to computer mode.
The surface display changes as shown
below:
During a dive in gauge mode, the following
information is displayed:
- currentdepth
- divetime
- tankpressure
- stopwatch
- maximumdepth
- temperature
- timeofday
- averagedepth
- incaseofanascent:ascentspeed(in
m/min or ft/min) in the position of the
time of day.
Upon pressing the left button (marked
SW”), abookmark willbe set while at the
same time the stopwatch is reset.
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3. Diving with Galileo
3. Diving with Galileo
Upon pressingthemiddlebutton(marked
AVG), a bookmark will be set while at the
same time the average depth is reset. Upon
pressing and holding the middle button,
the dive profile is displayed, followed by the
pictures.
Upon pressing and holding the right
button (marked
LIGHT), the digital
compass display is called up. In addition
to the compass information, this display
will also show the depth and the dive time.
Tank pressure and stopwatch alternate
every 4seconds inthe lower rightcorner.
The stopwatch can again be reset by
pressing the left button.
In compass layout display, the middle
button allows you to set a reference bearing
for navigation purposes. A press and hold
will erase the set bearing.
The display will return to the regular gauge
modedisplayaftereithertheauto-offtime
or after a press and hold of the right
button.
3. Diving with Galileo
3. Diving with Galileo
61
English
3.8 Button function overview
LEFT BUTTON MIDDLE BUTTON RIGHT BUTTON
Press Press
and hold
Press Press
and hold
Press Press
and hold
CLASSIC
Set bookmark
and reset
stopwatch
- Access alternate field.
In sequence:
- (Max depth)
-O
2
%
Stopwatch
- (Buddy tank pressure,
if paired)
- (Active MB level if other
than L0)
- (Information @ MB L0)
- Time of day
- CNS O
2
- Average depth
- ppO
2
Access alternate display.
In sequence (press):
- Dive profile (with ascent,
dotted)
- Individual compartment
saturation
- Picture 1
- Picture 2
-
Activate
backlight
Access
compass
display
LIGHT
Set bookmark - Access alternate field.
In sequence:
- (Max depth)
- O
2
%
- Temperature
- (Buddy tank pressure,
if paired)
- (Active MB level if other
than L0)
- (Information @ MB L0)
- Time of day
- CNS O
2
Access alternate display.
In sequence (press):
- Dive profile (with ascent,
dotted)
- Individual compartment
saturation
- Picture 1
- Picture 2
-
Activate
backlight
Access
compass
display
FULL
Set bookmark
and reset
stopwatch
- -O
2
%
- (Buddy tank pressure,
if paired)
- (Information @ MB L0)
- ppO
2
Access alternate display.
In sequence (press):
- Dive profile (with ascent,
dotted)
- Individual compartment
saturation
- Picture 1
- Picture 2
-
Activate
backlight
Access
compass
display
COMPASS
Set bookmark
and reset
stopwatch
- Set bearing Erase set bearing Activate
backlight
Manual return
to regular
display
GAUGE
Set bookmark
and reset
stopwatch
- Set bookmark and reset
average depth
Access alternate display.
In sequence:
- Dive profile
- Picture 1
- Picture 2
-
Activate
backlight
Access
compass
display
62
4. Galileo and SmartTRAK (PC interface)
4. Galileo and SmartTRAK (PC interface)
4. GALILEO AND SMARTTRAK (PC INTERFACE)
4.1 Introduction to SmartTRAK
SmartTRAK is the software that allows Galileo to communicate with a Windows-based
PC. For more information on other platforms (Macintosh, Palm, PocketPC) please visit
www.scubapro.com.
SmartTRAKservesvepurposes:
- Changingsettings:allthesettingsdescribedinChapter2canbesetdirectlyfromthePC.
- DownloadingdiveprolesandorganizingthelogbookonthePC.
- UploadingpicturestoGalileo.
- Uploadinglanguages.
- Updatingorupgradingthermwareonthecomputer.
In order to take advantage of any of these features, you need to establish an infrared
communicationbetweenyourPCandGalileo.
To start the communication:
- launchSmartTRAKonyourPC
- turnonGalileo
- placetheinfraredinterfaceinlineofsightoftheinfraredwindowonGalileo.
Galileo will show the symbol on the display once the communication is in place.
4. Galileo and SmartTRAK (PC interface)
4. Galileo and SmartTRAK (PC interface)
63
English
4.2 Changing settings
You canchange and review allthe settingsdescribed inChapter 2 from thecomfort of
yourPC.ThePCsoftwareallowsyoutoseetheentirearrayofsettingsatonce,insteadof
individually on Galileo, and to make changes more rapidly.
Clickonthe
DIVE COMPUTER SETTINGS
icon:thePCwillreadthesettingsaspresently
configured in Galileo and show them as depicted below.
Whenalldesiredchangesaremade,presstheWRITE icon in the dive computer settings
windowtotransferthechangesovertoGalileo.Closingthewindowpriortoclickingonthe
WRITE icon and waiting for the transfer process to be complete will result in no changes
being saved.
F
NOTE:
Resetting the desaturation, all-silent mode, ppO
2
max turned OFF and reverting to
factory default can be changed also via SmartTRAK but you will be prompted to enter
the safety code for each setting.
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4. Galileo and SmartTRAK (PC interface)
4. Galileo and SmartTRAK (PC interface)
4.3 Downloading dives and organizing your logbook
Galileo’smemoryallowsyoutostoreapproximately100hoursofdiveproleinformationin
4secondsamplingintervals.WithSmartTRAKyoucantransferthisinformationtothePC
inordertovisualizeandanalyzeyourdivesonthemonitor.TodownloaddatafromGalileo,
click on NEW under the LOGBOOK menu to open and name a new logbook. Then click
on the TRANSFER DIVES icon: a box will appear on the screen identifying the computer
being accessed, and a progress bar will show the status of the transfer.
4. Galileo and SmartTRAK (PC interface)
4. Galileo and SmartTRAK (PC interface)
65
English
You can choose between transferring all dives or new dives only (default setting) from
Galileo’smemory. Ifyouchooseto transfer newdivesonly, SmartTRAKwillonly transfer
divesthataremorerecentthanthemostrecentdivealreadysavedinthePClogbook.
Oncethedataisdownloaded,awindowwillshowyouasummarytableofalldives;forthe
selected dive, another window will show you its details. From these windows you can add
and edit your dive information.
4.4 Uploading pictures
Galileo’smemoryallowsyoutostoreupto100grey-scalebitmappictureswhichcanbe
viewedonthesurfaceorunderwaterasdescribedinChapters2.10and3.4.
To handle pictures, you need to choose GALILEO SETUP under OPTIONS. This will
bringuptheGalileoSetupwindow,whichhasvarioustabsalongtherightedge.Clickonthe
PICTURES tab and you will see a window similar to the one depicted below.
Pictures already stored in Galileo’s memory will be shown to the very right end of your
screen.TheirsequencecorrespondstotheactualviewingsequenceonGalileo’sscreen.
The sequencecan only be changed bydeleting and reloading the pictures. Todelete a
picture,selectitbyclickingitandpressthe“DELETE”buttonunderthepreview.
To upload pictures to Galileo, use the dialog box to the left to browse your hard drive and
locate thepictures of interest.After selecting a picture,SmartTRAK showsa grey scale
preview of the same picture, as it will appear on Galileo. You can adjust the grey levels using
the sliding bars above the preview, then click on the arrow on top to transfer the picture to
Galileo.
IfyouwishtodownloadpicturesfromGalileotothePC,selectapictureandclickonthe
arrow underneath the preview window.
66
4. Galileo and SmartTRAK (PC interface) 5. Taking care of Galileo
You can also import text to Galileo using the TEXT IMPORT function: for instance, load
a few typical messages to communicate with your dive buddy, and when the need arises,
bringupthemessageonthedisplayandshowittohimorher.Oryoucanwritedowna
dive plan and then review it during the dive. The TEXT IMPORT function turns text that you
writeintotheappropriateeldusingSmartTRAK intobitmapimageswhichyoucanthen
upload to Galileo.
4.5 Uploading languages
All Galileo’s menus and settings are displayed in full text in one of several languages which
youcansetasexplainedinsection2.9.2.Similarly,whilediving,warningsandalarmsare
displayed in full text in the selected language.
Other languages are available at www.scubapro.com for free download to Galileo. To
installanewlanguageontoGalileo,downloadthelanguagefromtheSCUBAPROUWATEC
websitetoyour PC. Using SmartTRAK,locatethelanguageleonyourharddrive,then
importitbyclickingontheIMPORT”buttonandpressthearrowtotransferittoGalileo.On
the right side of the screen you will see the full list of languages installed on Galileo. You can
removealanguagebyclickingonitandthenpressingthe“DELETE”button.
4.6 Updating or upgrading the firmware
Galileo features a reprogrammable microprocessor which allows you to keep your dive
computer up to date with new UWATEC technologies. Please refer to the information
provided at www.scubapro.com in reference to updates or upgrades.
4. Galileo and SmartTRAK (PC interface) 5. Taking care of Galileo
67
English
5. TAKING CARE
OF GALILEO
5.1 Technical information
Operating altitude:
withdecompression–sealevelto
approximately4,000m/13,300ft
withoutdecompression(gauge
mode)–atanyaltitude
Max operating depth: 330.5m/1,084ft;
resolution is 0.1m until 99.9m and 1m at
depth deeper than 100m. Resolution in
ft is always 1ft. Accuracy is within 2%
±0.2m/1ft.
Decompression calculation range:
0.8mto120m
Maximum environment pressure:34bar
Smart Transmitter maximum working
pressure: 300bar/4,350psi
Digital compass:
- resolution:1°
- accuracy:+/–1°+5%oftiltangle
(example:at50°tilt,accuracyis
+/–3.5°)
- tilt angle:upto80°
- refresh rate:1s
Clock:quartzclock,time,date,divetime
displayupto999minutes
Oxygen concentration: adjustable
between21%and100%
Operating temperature:–10°Cto
+50°C/14°Fto122°F
Power supply:
- Galileo:CR12600SEorCR2NP
- High-pressure transmitter: CR2450
Life of the battery:
- Galileo:3-5yearsor300-500dives.
Actual battery life depends on the
number of dives per year, the length
of each dive, the water temperature
and the usage of digital compass and
backlight.
- High-pressure transmitter:3years
or150-200dives.Actualbatterylife
depends on the number of dives per
year, the length of each dive and the
water temperature.
5.2 Maintenance
The tank pressure gauge and the parts of
this product used to measure tank pressure
should be serviced by an authorized
SCUBAPRO UWATEC dealer every other
year orafter 200 dives (whichever comes
rst). In addition, the depth accuracy
should be verified every two years. Aside
fromthat,Galileo is virtuallymaintenance-
free. All you need to do is rinse it carefully
with fresh water after each dive and change
the battery when needed. To avoid possible
problems with your Galileo, the following
recommendations will help assure years of
trouble-freeservice:
- avoiddroppingorjarringyourGalileo
- donotexposeGalileotointense,direct
sunlight
- donotstoreGalileoinasealed
container, always ensure free ventilation.
If there are problems with the water
contacts, use soapy water to clean Galileo
and dry it thoroughly. The housing of Galileo
can be treated with silicone grease, but
do not apply silicone grease to the water
contacts!
- DonotcleanGalileowithliquids
containing solvents.
- Checkthebatterycapacitybeforeeach
dive.
- Ifthebatterywarningappears,replace
the battery.
- Ifanyerrormessageappearson
the display, take Galileo back to an
authorizedSCUBAPROUWATEC
dealer.
5.2.1 Replacing the battery in Galileo
!
WARNING
We recommend having the battery of Galileo
replaced by an authorized SCUBAPRO
UWATEC dealer. The change must be made
with particular care in order to prevent water
from seeping in. The warranty does not cover
damages due to an improper placement of the
battery.
Galileo stores the tissue saturation
information in non-volatile memory, so the
battery can be replaced at any time between
dives without loss of information.
68
5. Taking care of Galileo
5. Taking care of Galileo
Procedure:
To replace the battery you need a coin or
the dedicated tool that came with Galileo
and a clean cloth.
!
WARNING
- A leaking battery cap may lead to the
destruction of Galileo by water seeping in
or cause Galileo to switch off without prior
notice.
- Always open the battery compartment in a
dry and clean environment.
- Only open the battery compartment to
replace the battery.
1.DryGalileowithasofttowel.
2.Unscrewthe battery cap usingacoin
or the dedicated tool.
3.Inspect the o-ring on the battery cap.
If you see traces of seeping water,
damagesordefectsontheo-ring,replace
the o-ring with an original UWATEC
replacementpart(PN06.202.693). The
o-ring is provided with the UWATEC
battery kit for Galileo (PN 06.202.872).
When replacing the o-ring, make sure
the new o-ring is in perfect condition
andwelllubricated,andthattheo-ring,
o-ring groove and sealing surfacesare
free of dust and dirt.
4.Removetheoldbatteryanddisposeof
it in an environmentally friendly way.
5.Check the polarity ofthenewbattery.
Galileo can be damaged if you do not
insert the battery correctly. Insert the
battery so that the + side is pointing
out of the battery case.
6.Screw the battery cap back in place.
Turn the cap until it is ush with the
surface and the slot on the battery
cap is aligned with the mark on the
housing. Damage to Galileo due to
improper placement of the battery cap
is not covered by warranty.
7.CheckGalileobyturningiton.
F
NOTE:
- After a dive, Galileo stores tissue
saturation data once an hour while
on the surface until it is completely
desaturated. If you change the
battery while Galileo has remaining
desaturation time, the tissue data
will not be lost, but Galileo will
reference the last stored data set. As
a consequence, the data displayed
on the surface screen after the
battery change (desaturation time,
surface interval, no-fly time and
CNS O
2
) may be different from the
values displayed just prior to the
battery removal.
- After replacing the battery, you must
set the date and time.
5.2.2 Replacing the battery in the
Smart transmitter
!
WARNING
We recommend having the battery of the
transmitter replaced by an authorized
SCUBAPRO UWATEC dealer. The change must
be made with particular care in order to
prevent water from seeping in. The warranty
does not cover damages due to an improper
placement of the battery.
For best results, use the transmitter battery
setPN06.201.920,comprisingaCR2450
batteryanda26.00x2.00mmtransmitter
capo-ring.
5. Taking care of Galileo
5. Taking care of Galileo
69
!
WARNING
- Never touch the metal surface of the battery
with bare fingers. The two battery poles
must never be short-circuited.
- A leaking transmitter cap may lead to the
destruction of the transmitter by water
seeping in or cause the transmitter to
switch off without prior notice.
- Always open the transmitter in a dry and
clean environment.
- Only open the transmitter to replace the
battery.
1.Remove the transmitter from the HP
portoftherst-stageregulator.
2.Drythetransmitterwithasofttowel.
3.Remove the 3 screws with a Phillips
screwdriver.
4.Carefullyremovethetransmittercap.
5.Carefully remove the transmitter cap
o-ring. Be careful not to damage the
sealing surfaces.
6.Remove the battery by holding it on
both sides. Do not touch the contacts
or the electronic parts.
!
WARNING
If you notice traces of seeping water, damages
or other defects on the o-ring, do not use the
transmitter for further dives. Take it to an
authorized SCUBAPRO UWATEC dealer to be
checked.
7.Always insert a new o-ring when you
replace the battery and dispose the
old o-ring. Make sure that the new,
lubricatedo-ringisinperfectcondition,
andthato-ring,o-ringgrooveandthe
sealing surface of the transmitter and
transmitter cap are free of dust and
dirt. If necessary,clean theparts with
asoftcloth.Fittheo-ringintheo-ring
groove.
8.Wait for 30seconds, then insert the
new battery. Ensure that the “+” side
is facing away from the transmitter. The
transmitter can be damaged if you do
not insert the battery correctly.
9.The transmitter will now perform an
automatic test and switch into ready
modeafter60seconds.
5.3 Warranty
Galileo has a two-year warranty covering
defects in workmanship and functioning.
The warranty only covers dive computers
whichhavebeenboughtfromanauthorized
SCUBAPRO UWATEC dealer. Repairs or
replacements during the warranty period
do not extend the warranty period itself.
Excluded from warranty coverage are faults
or defects due to:
- excessivewearandtear
- exteriorinuences,e.g.transport
damage, damage due to bumping and
hitting,inuencesofweatherorother
natural phenomena
- servicing,repairsortheopeningof
the dive computer by anybody not
authorizedtodosobythemanufacturer
- pressuretestswhichdonottakeplace
in water
- divingaccidents
- improperplacementofthebatterycap.
For European Union markets, the warranty
of this product is governed by European
legislation in force in each EU member
state.
All warranty claims must be returned
with dated proof-of-purchase to an
authorized SCUBAPRO UWATEC dealer.
Visit www.scubapro.com for the dealer
nearest you.
English
70
5.4 Index
Activebacklight 33,54
Alarmclock 32
Alarms 40
All-silentmode 20
Altimeter 22
Ascentrate 41
Ascentratebargraph 41
Backlight 33,54
Battery 11,45,67,68
Bookmarks 52
Buddytankpressure 14,48
Buttons 13,61
Clocksettings 31
CNSO
2
7,24,40,43
Compartmentsaturationgraph 48,53
Compass 21,51
Date 32
Declination 22
Desaturation 7,9
Desaturationreset 20
Digitalcompass 21,51
Displayconguration 21,35,49,50
Displaycontrast 34
Diveplanner 37
Divingataltitude 58
Emergencyinformation 11,36
Flyingafterdiving 9
Gaugemode 18,59
IrDA 7,34
Language 35,66
Logbook 38,64
Maintenance 67
MBlevels 7,18,54
Microbubbles 54
MOD 7,42
Mountainlakes 10,58
Mountingoftransmitter 13
No-divewarning 10
Nitrogenbargraph 48,53
Nitrox 7,40
Nitroxreset 19
No-ytime 7,9
Ownerinformation 9,36
Oxygenconcentration 17
Oxygenbargraph 48
Oxygenpartialpressure 40,42
Oxygentoxicity 24,40,43
Pairingoftransmitter 7,13
PCinterface 62
Personalization 35
Pictures 37,53,65
pp O
2
max 7,18,40,42
RBT 7,28,33,44,47
Residualnitrogenbar 48
Reverttofactorysettings 35
Safetystoptimer 18,52
Screencongurations 12,35,49,50
SmartTRAK 62
SOSmode 7,10,36
Start-uppicture 36
Stopwatch 7,49,50,59
Surfaceinterval 7,10
Tankpressurebargraph 33,48
Technicalinformation 67
Timeofday 32
Timezone 32
Tissuesaturationgraph 48,53
Units 36
UTC 8,32
Wake-upalarm 32
Warnings 23
Watercontacts 34
Watertype 19
YourUWATECdiveinstrumentismanufacturedwithhigh-qualitycomponents,
which canbe recycled andreused. Customers living in theEuropean Union
can contribute to the protection of environment and health by returning old
products to an appropriate collection point in your neighborhood according to
EUDirective2002/96/EC.Productsmarkedwiththerecyclingsymboltotheleft
must not be placed in the normal household waste.
5. Taking care of Galileo
71

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  • mijn zender van de luna koppelt niet meer. Van alles geprobeerd maar het lukt niet om de koppeling opnieuw tot stand te brengen. Batterij is niet leeg. Ook al met nieuwe batterij geprobeerd. De barren worden met ----- aangegeven. Gesteld op 11-10-2021 om 13:34

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