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Oceanic DataMax Pro Handleiding

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owner’s guide
DataMax Pro
™
ii
* The blank Oceanic DiveLog in the reference section may be duplicated for personal use only, not for resale.
COPYRIGHT NOTICE
This owner’s guide is copyrighted, all rights are reserved. It may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to any
electronic medium or machine readable form without prior consent in writing from 2002 Design/Oceanic.*
© 2002 Design/Oceanic 1997
DataMax Pro Owner's Guide, Doc. No. 12-1871
TRADEMARK NOTICE
Oceanic, the Oceanic logo, Diving Essentials Redefined, DataMax, Graphic Diver Interface, Tissue Loading Bar Graph, Pre Dive Planning Sequence, and
Variable Ascent Rate Indicator are all registered and unregistered trademarks of Oceanic. All rights are reserved.
PATENT NOTICE
U.S. Patents have been issued , or applied for, to protect the following design features: Graphic Diver Interface, Pre Dive Planning Sequence, Air Time
Remaining, Data Sensing and Processing Device (U.S. Patent no. 4.882,678), Tissue Loading Bar Graph (U.S. Patent no. 4,882,687), and Variable Ascent Rate
Indicator Bar Graph (U.S. Patent no. 5,156,055).
LIMITED TWO-YEAR WARRANTY
For details, refer to the Product Warranty Registration Card provided by your Authorized Oceanic Dealer.
DECOMPRESSION MODEL
The programs within the DataMax Pro simulate the absorption of nitrogen into the body by using a mathematical model. This model is a way to apply a
limited set of data to a large range of experiences. The DataMax Pro dive computer model is based upon the latest research and experiments in decompression
theory. Still, using the DataMax Pro, just as using the U.S. Navy (or other) No-decompression Tables, is no guarantee of avoiding decompression sickness, i.e.
“the bends.” Every diver’s physiology is different, it even varies from day to day. No machine can predict how your body will react to a particular dive profile.
The DataMax Pro is intended for use by divers who have successfully completed a nationally recognized course in scuba diving. It must not be used by
untrained persons who may not have knowledge of the potential risks and hazards of scuba diving. You must obtain proper training before using the DataMax
Pro if you have not already done so. You also must read this owner’s guide completely before diving with the DataMax Pro.
Good diving practices dictate that you plan all of your dives utilizing appropriate dive tables together with this computer which is designed to aid you in both
planning and execution of your dives.
R5
iii
WARNING: As with all underwater life support equipment, improper
use or misuse of this product can cause serious injury or death. Read
and understand this owner’s guide completely before diving. Con-
duct your dives in such a manner so as to insure that you continu-
ously check the computer's proper function.
WARNING: This computer is not intended for COMMERCIAL use. It
is intended solely for recreational use.
This computer should NOT be utilized for any competitive square
wave diving, as it is intended solely for recreational use in a multi-
level diving environment.
If you don't understand the contents of this manual and need
assistance in learning how to use this computer, you should seek
training from your Authorized Oceanic Dealer.
WARNING: Never paticipate in sharing or swapping of a dive com-
puter. Doing so may result in onjury or death.
Pay special attention to items
marked with this symbol
Read and understand the contents of this manual completely before using the DataMax Pro.
R5
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HINT:
See the
index on
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find a
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CONTENTS
I. THE DATAMAX PRO IS EASY TO USE ................................ 1
Introduction......................................... 2
II. DETAILED OPERATION GUIDE ............................................ 9
Operational Modes ............................ 10 Informational Displays ......................18
III. HANDLING THE EXTREMES............................................... 29
Maximum depth ................................ 30 Gauge mode ........................................37
Emergency decompression................ 31 Caution Zone ......................................38
Violation modes ................................. 32 What if your computer quits? ............38
Conditional violation ......................... 32 Operating temperature ......................39
Permanent violations ........................ 34 Night diving/sharing ..........................40
IV. CARE & MAINTENANCE ..................................................... 43
Before the dive................................... 44 Low battery display............................48
During/after the dive......................... 45 Battery replacement procedure.........49
Annual inspections ............................ 46 Flooded battery compartment ...........51
Obtaining factory service .................. 47 Regulator installation ........................52
V. REFERENCE......................................................................... 53
Multiple tissue tracking .................... 54 Oceanic DiveLog ................................64
No-decompression limits................... 56 Glossary ..............................................66
Maximum No-D dive profile ............. 57 Index ...................................................70
Specifications ..................................... 60 Annual Inspection Record ........... 73-74
Quiz .................................................... 62
1
THE
DATAMAX PRO
IS
EASY TO USE
2
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INTRODUCTION
The DataMax Pro was designed to be extremely easy to use and under-
stand. This owner’s guide is divided into five sections designed to make it
easy to learn how to use the “Pro.” The first two sections will show you how
the Pro performs in most typical diving situations. Section three shows how
it will perform under extreme conditions like deep or decompression diving.
Sections four and five present care & maintenance procedures and reference
material. Start here to begin learning about the DataMax Pro.
REGULATOR ATTACHMENT
Because the DataMax Pro is an "Air-Integrated" diving computer, it must
be attached to your regulator before you attempt to operate or use it. It is
best that this installation be performed by an Authorized Oceanic Dealer at
the time of purchase. If this is not possible, refer to the instructions for this
procedure on page 52.
ACTIVATING THE DISPLAY
After installing the Pro onto your regulator, connect to a full scuba
cylinder. Turn on the tank valve to pressurize the system and activate the
computer by pressing the button under its display (Fig. 1a). Once the Pro
goes through a diagnostic check, it will enter “Surface Mode.”
Fig. 1 – Surface Mode
a.
3
WARNING - Be sure to inspect your DataMax Pro prior to every dive,
checking for any signs of the entrance of moisture, damage to the
button membrane, or damage to the LCD display, and its general
operation. If these or other signs of damage are found, return the
unit to an Authorized Oceanic Dealer or Oceanic Parts & Service.
DO NOT attempt to use until it has received factory service.
PLANNING YOUR DIVE
Surface mode shows how many dives you have made, your depth, your
surface interval, computed residual nitrogen, and tank pressure. Once a
minute, it alternates with another display called the “Pre Dive Planning
Sequence” (Fig. 2). When planning your next dive, the Pre Dive Planning
Sequence provides adjusted no-decompression limits based upon previous
dives made. The PDPS shows depths from 30 to 160 feet in ten foot intervals
and the available no-decompression time for each. This makes dive planning
extremely simple because you know exactly how much time you can spend at
each depth.
MAKING A DIVE
Once you descend below five feet, the DataMax Pro changes to “No-
decompression Dive Mode” (Fig 3). This mode displays dive number, tank
pressure, nitrogen loading, ascent rate and dive time remaining. Dive time
remaining is really two displays in one. It shows the lesser of air time or no-
Fig. 2 – Pre Dive Planning
Sequence
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PLAN
PLAN
DEPTH
DEPTH
NO DEC
NO DEC
PSI
PSI
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4
decompression time remaining. This display is based upon a comparison of
your personal breathing rate and no-decompression status as monitored at all
times throughout the dive.
An “Alternate Dive Mode” replaces the No-decompression Dive Mode
every 15 seconds to display bottom time and maximum depth. This informa-
tion is displayed for two seconds before switching back to the NO DEC value.
USING THE
“GRAPHIC DIVER INTERFACE”
To make it easy to check your dive status on the DataMax Pro, a color-
coded system of graphic displays is used. This “Graphic Diver Interface” is
made up of three bar graphs that have green, yellow and red markers to
indicate normal, caution, and danger zones respectively. The three graphs
display tank pressure, ascent rate, and nitrogen loading.
When underwater, you can make quick status checks by glancing at the
three bar graphs and making sure that all are “in the green.” With one quick
glance you can make sure you’re not getting too close to the no-decompres-
sion limit, ascending too fast, or getting low on air.
AUDIBLE ALARM
Just in case you aren’t looking at the display when you need to be, an
“Audible Alarm” will alert you when you are approaching or entering a
dangerous situation. The Audible Alarm is accompanied by a part of the
display that flashes, showing you what the alarm is all about.
Fig. 3 – No-Decompression
Dive Mode
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LOG PLAN
DEPTH MAX
SURFACE BOTTOM
NO DEC AIR
PSI
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M
LOW BATT METRIC
ASCENDING TO THE SURFACE
A graphic representation of nitrogen absorption can be seen in the
“Tissue Loading Bar Graph” (Fig 4a). This green, yellow, red bar graph
shows how close you are to the no-decompression limit. It “fills–up” with
segments as your depth and bottom time increase. Upon ascent to shallower
depths, the Tissue Loading Bar Graph will begin to recede, giving a visual
representation of nitrogen off–gassing. The TLBG also provides a way to
easily manage decompression by indicating three “ceiling” depths. This is
discussed fully in the “Handling the Extremes” section beginning page 30.
When rising towards the surface, the “Variable Ascent Rate Indicator”
(Fig. 4b) shows how fast you are ascending. The VARI will alert you with a
flashing display and audible alarm if you enter the red zone, indicating that
you have exceeded the prescribed maximum ascent rate and must slow down.
If you have not entered decompression, a safety stop made
between 15-20 feet is strongly recommended as a standard proce-
dure before completing your ascent. Many divers do this to provide a
wider zone of caution from the no-decompression limit. The Tissue Loading
Bar Graph gives a visual representation of just how close you came to the no-
decompression limit. The yellow “Caution Zone” (Fig. 4c) provides a further
visual indication of close proximity to decompression. This Caution Zone
portion of the TLBG allows you to make a decision regarding safety stop
duration or necessity. While you cannot provide a guarantee against
the occurrence of decompression sickness, you may choose your own
personal zone of caution based upon your individual age, physique,
Fig. 4 – Tissue Loading Bar
Graph and Variable Ascent
Rate Indicator
a.
b.
c.
6
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DEC
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BEEP!
BEEP!
Fig. 5 – Decompression
Dive Mode
a.
b.
excessive weight, training, experience, etc., to reduce the statistical
risk.
EMERGENCY DECOMPRESSION
If your depth or bottom time is such that the Tissue Loading Bar Graph
enters the red zone, the DataMax Pro will sound one double beep and switch
to “Decompression Dive Mode.” At this point, the TLBG will indicate a
decompression “ceiling” (Fig. 5a) that the diver must stay below or risk
decompression sickness. Dive Time Remaining (Fig. 5b) will display the total
time needed to exit decompression. You must stay a few feet below the TLBG
indicated ceiling depth until the bar graph recedes into the yellow Caution
Zone before ascending any further.
PLANNING FOR THE NEXT DIVE
After reaching three feet upon ascent, the Surface Mode will display once
again. It alternates with the PDPS and will show adjusted no-decompression
limits based on the nitrogen absorbed during your last dive. The longer the
surface interval, the more dive time available in the PDPS.
IT’S REALLY JUST THAT SIMPLE!
The DataMax Pro is designed to help you stay out of trouble with a
minimum of effort reading the displays. The Graphic Diver Interface elimi-
nates any confusion from looking at too many numbers. Just “keep it in the
green” and you’ll greatly reduce your exposure to decompression sickness.
7
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LOG
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BOTTOM
BOTTOM
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Fig. 6 – Dive Log Mode
Primary Screen
a.
b.
OTHER SPECIAL FEATURES
The DataMax Pro also helps you log your dives, dive at high altitudes, and
know when the minimum allowable surface time has elapsed to be able to fly,
according to UHMS guidelines. These special features are described on the
following pages.
LOGGING YOUR DIVES
Immediately after a dive, various information is stored in the DataMax
Pro’s memory that can be accessed in the “Dive Log Mode.” Recalling this
information gives you a chance to record it in your log book. Up to nine dives
are stored and can be accessed by pressing the activation button (Fig. 6a).
Dive Log Mode will automatically scroll through all dives for the most
recent day of diving displaying dive number, maximum depth, bottom time,
and maximum ascent rate (Fig. 6). It also displays the end–of–dive tissue
loading that is handy when making decisions about future dive plans (Fig.
6b). Surface interval replaces Bottom Time in a secondary dive log screen
that immediately follows the primary screen.
Warning: Using the DataMax Pro, just as using the U.S. Navy
(or other) No-decompression Tables, is no guarantee of avoid-
ing decompression sickness, i.e. "the bends".
9
DETAILED
OPERATIONS
GUIDE
48
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PRO
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LOW BATT
LOW BATT
Fig. 34 – Low Batt display
LOW BATT DISPLAY
The LOW BATT display on the DataMax Pro LCD alerts you to the
impending need for a battery change (Fig. 34a). Usually, the Pro will only
activate if there is enough battery power to complete one full day of diving.
The remaining battery life may be suddenly shortened by a sudden change in
temperature, however, and it is therefore advised that you DO NOT attempt
to dive when a LOW BATT display is present. Furthermore, Oceanic
strongly recommends that you replace the batteries with new prior to any
extended, multi-day dive trip.
To replace your DataMax Pro's batteries, Oceanic recommends that you
bring it to your Authorized Oceanic Dealer, where you may also obtain an
annual inspection - even if your DataMax Pro is not yet due for one. When-
ever it is necessary to replace your own batteries, however, you may do so by
following the procedure outlined on the next page.
WARNING: Damage from improper battery replacement is
not covered under the DataMax Pro's limited 2-year warranty.
Follow directions exactly.
a.
… 52 …

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