624833

Casio 5394 - OCW-P1000 Handleiding

1
Verklein
Vergroot
Pagina terug
1/9
Pagina verder
Operation Guide 5394 (OC)
E-7
2. Check the Home City.
Use the procedure under “To confi gure Home City settings” (page E-27) to confi gure your Home City.
Important!
x Proper time calibration signal reception depends on correct Home City, time, and day settings in the
Timekeeping Mode. Make sure you confi gure these settings correctly.
3. Set the current time.
x To set the time using a time calibration signal
See “To get ready for a receive operation” (page E-18).
x To set the time manually
See “Confi guring Current Time and Day Settings Manually” (page E-30).
The watch is now ready for use.
x For details about the watch’s radio controlled timekeeping feature, see “Radio Controlled Atomic
Timekeeping” (page E-16).
E-6
Things to check before using the watch
1. Hold down
B
at least two seconds to enter the Timekeeping Mode, and then observe the
movement of the
2
Second Hand.
Is the
2
Second Hand moving smoothly at one-second intervals?
Is the
2
Second Hand moving at two-second intervals
or is it stopped completely?
Go to step 2.
The watch is charged. For details about
charging, see “Charging the Watch”
(page E-11).
Power is low. Charge the watch by placing it in a
location where it is exposed to light. For details, see
“Charging the Watch” (page E-11).
NO
YES
YES
NEXT
E-5
To start HS1 high-speed movement
While the crown is pulled out, rotate it rapidly away from you (forward) or towards
you (reverse) until the desired HS1 high-speed movement starts.
To start HS2 high-speed movement
While HS1 high-speed movement is in progress, again rotate the crown rapidly,
away from you (forward) or towards you (reverse) in the same direction as the
HS1 movement until HS2 high-speed movement starts.
To stop high-speed movement
Rotate the crown in the direction that is opposite that of the current high-speed
movement or press any button.
Note
x You can use high-speed hand movement when confi guring time settings in the Timekeeping Mode,
Alarm Mode, or Countdown Timer Mode, and when adjusting day indicator alignment.
E-4
Using the Crown
Pull out the crown before rotating it.
To pull out, rotate, or push the crown in
Pull out Rotate Push in
Note
x If you do not perform any operation for more than two minutes after pulling out the crown, crown
operations will become disabled automatically. If this happens, push the crown back in and then pull it
out again to re-enable crown operations.
x Button operations may become disabled after you perform a crown operation. If this happens, rotate
the crown slightly. This should restore button operations.
High-speed Movement
When rotating the crown to move the hands of the watch, you can use the operations described below
to move the hands at high speed, either forward or back. There are two high-speed levels: HS1 and HS2
(faster than HS1).
E-3
About This Manual
Operations are performed using the watch’s crown, and the three buttons
indicated by the letters A, B and C in this manual.
Hands and Indicators
1
Hour Hand
2
Second Hand
3
Minute Hand
4
Upper Dial Hand: Indicates a time, in 24-hour format, depending on the
current mode.
5
Lower Dial Hand: Indicates the current mode.
6
Day Indicator
This User’s Guide uses numbers shown above to identify watch hands and
indicator.

E-2
Applications
This watch has built-in sensors that measure direction.
Measurement results are indicated by the watch’s hands and displays. This feature makes this watch
useful when hiking, mountain climbing, or when engaging in other such outdoor activities.
Warning!
x The measurement functions built into this watch are not intended for taking measurements that
require professional or industrial precision. Values produced by this watch should be considered as
reasonable representations only.
x When engaging in mountain climbing or other activities in which losing your way can create a
dangerous or life-threatening situation, always use a second compass to confi rm direction readings.
x Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or loss suffered
by you or any third party arising through the use of this product or its malfunction.
Important!
x Whenever you use the digital compass of this watch for serious trekking, mountain climbing, or
other activities, always be sure to take along another compass to confi rm readings. If the readings
produced by the digital compass of this watch are different from those of the other compass, perform
bidirectional calibration of the digital compass to ensure more accurate readings.
x Direction readings and digital compass calibration will not be possible if the watch is in the vicinity of
a permanent magnet (magnetic accessory, etc.), metal objects, high-voltage wires, aerial wires, or
electrical household appliances (TV, computer, cellphone, etc.)
E-1
ENGLISH
Congratulations upon your selection of this CASIO watch.
x Note that the product illustrations in this manual are intended for reference only, and so the actual product
may appear somewhat different than depicted by an illustration.
This watch does not have a city code that corresponds to the UTC offset of –3.5 hours. Because of
this, the radio-controlled atomic timekeeping function will not display the correct time for Newfoundland,
Canada.
Note that CASIO COMPUTER CO., LTD. assumes no responsibility for any damage or loss suffered by
you or any third party arising through the use of your watch or its malfunction.
MA1410-EA
© 2014 CASIO COMPUTER CO., LTD.
Operation Guide 5394 (OC)
E-15
Power Saving
Power Saving enters a sleep state (second hand sleep or function sleep) whenever the watch is left for a
certain period in an area where it is dark.
Elapsed Time in Dark Operation
60 to 70 minutes (second hand sleep)
2
2
Second Hand only stopped at 12 o’clock, all other functions enabled
6 or 7 days (function sleep)
x All functions, including analog timekeeping, disabled
x Internal timekeeping maintained
x The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is already in a sleep
state when 6:00 AM arrives, however, it will remain there.
x The watch will not enter a sleep state while it is in the Stopwatch Mode or Countdown Timer Mode.
To recover from the sleep state
Move the watch to a well-lit area or press any button.
E-14
Charging Times
Exposure Level (Brightness)
Daily
Operation *1
Level Change *2
Level 3 Level 2 Level 1
Outdoor sunlight (50,000 lux) 8 minutes 2 hours 27 hours
Window sunlight (10,000 lux) 30 minutes 6 hours 99 hours
Window sunlight on cloudy day (5,000 lux) 48 minutes 10 hours 161 hours
Indoor fl uorescent lighting (500 lux) 8 hours 111 hours – – –
* 1 Approximate exposure each day to generate power for normal daily operation.
* 2 Approximate exposure to take power up one level.
x The above times are for reference only. Actual times depend on lighting conditions.
x For details about the operating time and daily operating conditions, see the “Power Supply” section of
the Specifi cations (page E-65).
E-13
Low Battery Alert (Hand Movement and Function Status)
Level Hand Movement Function Status
1 Normal. All functions enabled
2
2
2
Second Hand moves at two-second intervals.
Beeper and time calibration signal reception disabled.
3
2
2
Second Hand stopped.
All functions disabled
x When power drops to Level 3, all settings (including timekeeping) will be cleared. Recharging the
battery will reset all settings to their initial factory defaults.
x When the watch is at Level 3, exposing it to light for a while will cause the 2
2
Second Hand to move to
the position of second 57. This indicates that charging has started.
Power Recovery Mode
The watch is designed to go into a power recovery mode that stops hand operation temporarily whenever
power suddenly drops below a certain level due to continuous signal reception or other operations over a
short period. Note that all operations are disabled while the watch is in the power recovery mode.
The hands will move to the correct positions and the watch will resume normal operation after power
recovers (in about 15 minutes). Putting the watch in a location where it is exposed to light will help power
to recover sooner.
E-12
Important!
x Keep the watch in an area normally exposed to bright light when storing it for long periods. This helps
to ensure that power does not run down.
x Storing the watch for long periods in an area where there is no light or wearing it in such a way that it is
blocked from exposure to light can cause power to run down. Make sure that the watch is exposed to
bright light whenever possible.
Checking the Current Power Level
Certain functions will be disabled when the power level is low. If the power level is low, leave the watch in
a location where its face (solar panel) is exposed to light.
Low Power
Low power conditions are indicated by the movement of the
2
Second Hand in
the Timekeeping Mode.
x If the
2
Second Hand is moving normally at one-second intervals, power is
at Level 1.
x If the
2
Second Hand is moving at two-second intervals, power is at Level
2, which is quite low. Expose the watch to light as soon as possible so it
can charge.
Moves at two-second
intervals.

E-11
Charging the Watch
The face of the watch is a solar panel that generates power from light. The generated power charges a
built-in rechargeable battery, which powers watch operations. The watch charges whenever it is exposed
to light.
Charging Guide
Whenever you are not wearing
the watch, be sure to leave it in
a location where it is exposed
to light.
x Best charging performance
is achieved by exposing
the watch to light that is as
strong as possible.
When wearing the watch,
makes sure that its face is
not blocked from light by the
sleeve of your clothing.
x The watch may enter a sleep
state (page E-15) if its face is
blocked by your sleeve even
only partially.
Warning!
Leaving the watch in bright light for charging can cause it to become quite hot. Take care when
handling the watch to avoid burn injury. The watch can become particularly hot when exposed to
the following conditions for long periods.
x On the dashboard of a car parked in direct sunlight
x Too close to an incandescent lamp
x Under direct sunlight
E-10
Using the Countdown Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-50
To specify the countdown start time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-50
To perform a countdown timer operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-51
To stop the alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-51
Using the Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-52
To change the alarm time setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-53
To turn the alarm on or off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-54
To stop the alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-54
Adjusting Home Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-55
To adjust home positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-56
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-57
Specifi cations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-64
E-9
Timekeeping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-26
Confi guring Home City Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-27
To confi gure Home City settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-27
To switch between standard time and summer time manually . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-29
Confi guring Current Time and Day Settings Manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-30
To change the current time setting manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-30
To change the current day setting manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-32
Taking Direction Readings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-34
To take a direction reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-35
To perform bidirectional calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-40
To perform northerly calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-41
Checking the Current Time in a Different Time Zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-44
To view the time in another time zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-45
To swap your Home City and World Time City . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-47
Using the Stopwatch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-48
To enter and exit the Stopwatch Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-49
To perform an elapsed time operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-49
To perform fl yback timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-49
E-8
Contents
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-3
Using the Crown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-4
To pull out, rotate, or push the crown in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-4
Things to check before using the watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-6
Charging the Watch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-11
To recover from the sleep state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-15
Radio Controlled Atomic Timekeeping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-16
To get ready for a receive operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-18
To perform manual receive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-20
To check the result of the latest receive operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-21
To turn auto receive on and off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-22
Mode Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-24
To determine the watch’s current mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-25
To select a mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-25
To return to the Timekeeping Mode from any other mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-25
Operation Guide 5394 (OC)
E-23
Radio-controlled Atomic Timekeeping Precautions
x Strong electrostatic charge can result in the wrong time setting.
x Even if a receive operation is successful, certain conditions can cause the time setting to be off by up
to one second.
x The watch is designed to update its day setting automatically for the period from January 1, 2000
to December 31, 2099. Updating of the day setting by signal reception will no longer be performed
starting from January 1, 2100.
x If you are in an area where signal reception is not possible, the watch keeps time with the precision
noted in “Specifi cations” (page E-64).
x The receive operation is disabled under any of the following conditions.
− While power is at Level 2 or lower (page E-13)
− While the watch is in the power recovery mode (page E-13)
− While the watch is in the function sleep state (power saving, page E-15)
− While the watch is not in the Timekeeping Mode
− While a direction reading or Countdown Timer operation is in progress (even if the watch is in the
Timekeeping Mode)
x A receive operation is cancelled if an alarm sounds while it is being performed.
E-22
To turn auto receive on and off
1. In the Timekeeping Mode, press C. The
2
Second Hand will move to
Y (YES) or N (NO) to indicate the last calibration signal receive result.
2. Pull out the crown.
x The
2
Second Hand will perform one full revolution and then stop at the
current on/off setting.
3. Rotate the crown to move the
2
Second Hand to the setting you want.
x To turn on auto receive, select Y (YES).
x To turn off auto receive, select N (NO).
4. Push the crown back in to exit the auto receive on and off setting mode.
x If you do not perform any operation with the crown for about two minutes
after pulling it out, crown operations will become disabled. If this
happens, push the crown back in and then pull it out again.

Y (YES)
N (NO)
E-21
To check the result of the latest receive operation
In the Timekeeping Mode, press C. The
2
Second Hand will move to Y (YES)
or N (NO) to indicate the last calibration signal receive result.
x The
2
Second Hand will move to Y if the latest receive operation was
successful, or N if it was not. After about 10 seconds, regular timekeeping
will resume.
x Press C to return to regular timekeeping. The watch will also return
to regular timekeeping if you do not perform any operation for about
10 seconds.
Note
x The
2
Second Hand will indicate N if you have adjusted the time or day
setting manually since the latest receive operation.

E-20
To perform manual receive
1. In the Timekeeping Mode (page E-26), keep C depressed (for about two seconds) as the
2
Second Hand
goes through the following sequence.
x Moves to Y (YES) or N (NO) to indicate the last signal reception result, then to R (READY).
2. The
2
Second Hand indicates the operations the watch is currently performing.
When the 2
2
Second Hand is
pointed here:
It means this:
R (READY)
Watch is setting up for reception.
W (WORK) Reception is in progress.
x If signal reception is unstable, the 2
2
Second Hand may move between
W and R.
x When the receive operation is successful, the watch adjusts the time
setting accordingly, and then resumes regular timekeeping. It does not
adjust the setting if the operation failed.
Note
x To interrupt a receive operation and return to the Timekeeping Mode, press
any button.

E-19
x Signal reception may be diffi cult or even impossible under the conditions described below.
Inside or among
buildings
Inside a vehicle Near household
appliances,
offi ce
equipment, or a
mobile phone
Near a
construction
site, airport, or
other sources of
electrical noise
Near
high-tension
power lines
Among or behind
mountains
3. What you should do next depends on whether you are using Auto Receive or Manual Receive.
x Auto Receive: Leave the watch over night in the location you selected in step 2. See “Auto Receive”
on page E-19 for details.
x Manual Receive: Perform the operation under “To perform manual receive” on page E-20.
Auto Receive
x With Auto Receive, the watch performs the receive operation each day automatically up to six times (up
to fi ve times for the Chinese calibration signal) between the hours of midnight and 5 a.m. (according
to the Timekeeping Mode time). When any receive operation is successful, none of the other receive
operations for that day are performed.
x When a calibration time is reached, the watch will perform the receive operation only if it is in the
Timekeeping Mode. The receive operation is not performed if a calibration time is reached while you
are confi guring settings.
E-18
x Signal reception may not be possible at the distances noted below during certain times of the year or
day. Radio interference may also cause problems with reception.
− Mainfl ingen (Germany) or Anthorn (England) transmitters: 500 kilometers (310 miles)
− Fort Collins (United States) transmitter: 600 miles (1,000 kilometers)
− Fukushima or Fukuoka/Saga (Japan) transmitters: 500 kilometers (310 miles)
− Shangqiu (China) transmitter: 500 kilometers (310 miles)
x As of June 2014, China does not use Daylight Saving Time (DST). If China does go to the Daylight
Saving Time system in the future, some functions of this watch may no longer operate correctly.
x Using this watch in a country covered by a time calibration signal that is different from the countries it
supports may result in incorrect time indication due to local application of daylight saving time (summer
time), etc.
To get ready for a receive operation
1. Confi rm that the watch is in the Timekeeping Mode. If it isn’t, hold down B for at least two seconds to
enter the Timekeeping Mode.
2. Place the watch in a location where signal reception is good.
12 o’clock
or
x Position the watch as shown in the nearby illustration,
with 12 o’clock pointed towards a window. Make sure
there are no metal objects nearby.
x Signal reception normally is better at night.
x The receive operation takes from two to 10 minutes, but
in some cases it can take as long as 20 minutes. Take
care that you do not perform any button operation or
move the watch during this time.
E-17
Approximate Reception Ranges
Japanese Signals Chinese Signal
Fukushima
500 kilometers
1,000 kilometers
Fukuoka/Saga
1,500 kilometers
Changchun500 kilometers
Beijing
Shangqiu
Shanghai
Chengdu
Hong Kong
UK and German Signals North American Signal
Anthorn
500 kilometers
1,500 kilometers
Mainfl ingen
The Anthorn signal is receivable
within this area.
2,000 miles
(3,000 kilometers)
600 miles
(1,000 kilometers)
Fort Collins
E-16
Radio Controlled Atomic Timekeeping
This watch receives a time calibration signal and updates its time setting accordingly. However, when
using the watch outside of areas covered by time calibration signals, you will have to adjust the settings
manually as required. See “Confi guring Current Time and Day Settings Manually” (page E-30) for more
information.
This section explains how the watch updates its time settings when the city code selected as the Home
City is in Japan, North America, Europe, or China, and is one that supports time calibration signal
reception.
If your Home City Code setting is this:
The watch can receive the signal from the transmitter
located here:
LON (LONDON), PAR (PARIS), ATH (ATHENS) Anthorn (England), Mainfl ingen (Germany)
HKG (HONG KONG) Shangqiu City (China)
TYO (TOKYO) Fukushima (Japan), Fukuoka/Saga (Japan)
HNL (HONOLULU), ANC (ANCHORAGE),
LAX (LOS ANGELES), DEN (DENVER),
CHI (CHICAGO), NYC (NEW YORK)
Fort Collins, Colorado (United States)
Important!
x The areas covered by HNL (HONOLULU) and ANC (ANCHORAGE) are quite far from the calibration
signal transmitters, so certain conditions may cause reception problems.
Operation Guide 5394 (OC)
E-31
3. Hold down B for about one second until the watch beeps and the
2
Second Hand moves to 12 o’clock.
x This indicates the manual time setting mode.
x In the following steps, each press of B cycles between settings as
shown below.
Home city/DST
Hour/Minute Hour
Year DayMonth
B
B
B
B
BB
4. Rotate the crown to adjust the time (hour and minute) setting.
x See “Using the Crown” (page E-4) for information about high-speed hand movement.
x The
4
Upper Dial Hand is synchronized with the
1
Hour Hand.
x When adjusting the setting, check to make sure that the
4
Upper Dial Hand correctly indicates an
a.m. time or p.m. time.
x If you want to change the day setting at this time, press B and perform the procedure starting from
step 3 under “To change the current day setting manually” (page E-32).
5. After the settings are the way you want, push the crown back in to exit the manual time setting mode.
x This causes timekeeping to resume with the
2
Second Hand starting from 12 o’clock.
x If you do not perform any operation with the crown for about two minutes after pulling it out, crown
operations will become disabled. If this happens, push the crown back in and then pull it out again.

E-30
Confi guring Current Time and Day Settings Manually
You can confi gure current time and day settings manually when the watch is unable to receive a time
calibration signal.
To change the current time setting manually
1. Pull out the crown.
x This will cause the
2
Second Hand to move to the city code of the
currently selected Home City.
2. Change the Home City settings, if you want.
x For details about these settings, see step 2 under “To confi gure Home City settings” (page E-27).

TYO (TOKYO)
E-29
To switch between standard time and summer time manually
1. Perform steps 1 and 2 under “To confi gure Home City settings” (page E-27).
x Selecting a city code will cause the
1
Hour Hand,
3
Minute Hand, and
4
Upper Dial Hand to
move automatically to the current time for the selected city code.
x If you will use the watch in a city that is not included in the city code list, select a city code that is in
the same time zone as your city.
x Displaying the Home City Settings screen will cause the
5
Lower Dial Hand to move to AUTO (auto
switching), STD (standard time), or DST (daylight saving time).
2. Hold down A for about one second to cycle through the summer time settings as shown below.
AA
AUTO STD DST
A
3. After the setting is way you want, push the crown back in.
E-28
Daylight Saving Time (DST)
Daylight Saving Time (summer time) advances the time setting by one hour from Standard Time.
Remember that not all countries or even local areas use Daylight Saving Time.
x Note that you cannot switch between STD (standard time) and DST (daylight saving time) while UTC*
is selected as your Home City.
* Coordinated Universal Time, the world-wide scientifi c standard of timekeeping. The reference point for
UTC is Greenwich, England.
STD/DST Switching
You can select summer time or standard time independently for each city. The initial default setting for all
cities is AUTO.
Normally you should use the AUTO setting because it automatically switches between summer time
and standard time. You should change the setting to STD (standard time) or DST (summer time) in the
following cases.
− When using a time of a location that is not included in the watch’s list of 29 cities
− When the preset AUTO standard time/summer time timing is incorrect for some reason
Summer Time Settings
AUTO
The watch automatically switches between standard time and daylight saving time in accordance
with the Summer Time Period shown in the “City Code Table” at the back of this manual.
STD The watch always shows standard time.
DST The watch always shows daylight saving time.
E-27
Confi guring Home City Settings
The Home City is location where you will normally use the watch. You can choose from a selection of city
codes that represent 29 cities around the globe.
To confi gure Home City settings
Note
x This watch does not have a city code that corresponds to Newfoundland.
1. Pull out the crown.
x This will cause the
2
Second Hand to move to the city code of the
currently selected Home City.
x This indicates the city code setting mode.
2. Rotate the crown to move the
2
Second Hand to the city code you want to
select as your Home City.
x Each time you select a city code, the
1
Hour Hand,
3
Minute Hand,
4
Upper Dial Hand and
6
Day Indicator move to the current time and
day for that city code.
x For details about city codes, see the “City Code Table” at the back of
this manual.
3. Push the crown back in to exit the city code setting mode.
x If you do not perform any operation with the crown for about two
minutes after pulling it out, crown operations will become disabled. If
this happens, push the crown back in and then pull it out again.

TYO (TOKYO)

E-26
Timekeeping
To enter the Timekeeping Mode, hold down B at least two seconds.
Hand Functions
1
Hour Hand
2
Second Hand
3
Minute Hand
4
Upper Dial Hand: Indicates the current hour in the Home City time in
24-hour format.
5
Lower Dial Hand: Points to the day of the week.
6
Day Indicator

E-25
Selecting a Mode
With this watch, everything starts from the Timekeeping Mode.
To determine the watch’s current mode
Check what the
5
Lower Dial Hand is indicating as shown under “To select a mode” (page E-25).
To select a mode
Each press of B will cycle between modes. The currently selected mode is indicated by the
5
Lower
Dial Hand.
Timekeeping Mode World Time Mode
B
B
B
B
Stopwatch ModeCountdown Timer Mode
B
Alarm Mode
To return to the Timekeeping Mode from any other mode
Hold down B for at least two seconds.
E-24
Mode Reference Guide
Your watch has fi ve “modes”. The mode you should select depends on what you want to do.
To do this: Enter this mode: See:
x Confi gure Home City and DST (daylight saving time) settings
x Perform a time calibration signal receive operation or view the last
receive result
x Change the Auto Receive on/off setting
x Confi gure time and day settings manually
x Determine the direction of north
Timekeeping Mode
E-27
E-18
E-22
E-30
E-34
x View the current time in one of 29 cities around the globe
x Confi gure World Time City and summer time settings
x Swap the Home City and World Time City
World Time Mode
E-44
E-45
E-47
Use the stopwatch to measure elapsed time Stopwatch Mode E-48
Use the countdown timer
Countdown Timer
Mode
E-50
x Set an alarm time
x Turn the alarm ON or OFF
Alarm Mode
E-52
E-54
Operation Guide 5394 (OC)
E-39
Precautions about bidirectional calibration
x You can use any two opposing directions for bidirectional calibration. You must, however, make
sure that they are 180 degrees opposite each other. Remember that if you perform the procedure
incorrectly, you will get wrong bearing sensor readings.
x Do not move the watch while calibration of either direction is in progress.
E-38
Calibrating Direction Readings
You can use the information in this section to calibrate direction readings, which helps to improve digital
compass accuracy.
Direction Reading Calibration Methods
Important!
x To ensure correct direction readings by this watch, be sure to perform bidirectional calibration before
using it. The watch may produce incorrect direction readings if you do not perform bidirectional
calibration.
x Keep the watch away from audio speakers, magnetic necklace, cell phone, and other devices that
generate strong magnetism. Exposure to strong magnetism can magnetize the watch and cause
incorrect direction readings. If incorrect readings continue even after you perform bidirectional
calibration, it could mean that your watch has been magnetized. If this happens, contact your original
retailer or an authorized CASIO Service Center.
Bidirectional Calibration
x Use this method when using the watch to take readings in an area where magnetic force is present, or
if you notice that the readings produced by the watch are different from another compass.
Northerly Calibration
x Use this method to calibrate the watch to detect true north (when it is known by you).
E-37
If your watch has a direction ring...
Example: Advancing to an objective while monitoring your bearing
Using a map, you can adjust the direction ring so the bearing to the objective is at 12 o’clock. Then, even
if you lose sight of your objective, you can refer to the direction ring setting as you progress.
1. Set the map.
x For information about how to set a map, see “Positioning a map in accordance with actual
surroundings (setting a map)” below.
2. Place the watch on the map at your current location, and point 12 o’clock at your desired objective on
the map.
3. Take a compass reading and adjust the direction ring.
x Perform steps 3 to 4 under “To take a direction reading” (page E-35).
4. Advance towards your objective as you monitor your bearing.
x Take a compass reading and then orient the watch so N on the direction ring is pointed in the
direction indicated by the second hand (north) as you advance. 12 o’clock of the watch is the
direction to your objective.
Important!
x As you progress, the bearing to your objection will change, so you need to keep adjusting the direction
ring.
Positioning a map in accordance with actual surroundings (setting a map)
You can align a map with the northerly direction indicated by the watch, and then compare what is shown
on the map with your actual surroundings. This is helpful for checking your current location. This process
is called “setting a map”.
E-36
x The
2
Second Hand indicates magnetic north.
x The
2
Second Hand will continue to move for about 20 seconds after you start the digital compass
operation as it adjusts its magnetic north reading. After that, the hand will stop at the fi nal reading.
x To take another direction reading, press A again.
x If you do not perform any operation, the watch will return to normal timekeeping after about one or
two minutes.
x To stop an ongoing direction reading operation and return to the Timekeeping Mode, press B.
Important!
x If the
2
Second Hand does not point to 12 o’clock, it could mean that the hand is out of position. Use
the procedure under “To adjust home positions” (page E-56) to correct the hand position.
x If the
1
Hour Hand stops at 6 o’clock and the
3
Minute Hand stops at 12 o’clock, it could mean
that the watch has detected abnormal magnetism. For more information, see “Abnormal magnetism
detection is indicated.” (page E-59).
E-35
To take a direction reading
1. Place the watch on a fl at surface. If you are wearing the watch, make sure that your wrist is horizontal
(in relation to the horizon).
2. Point the 12 o’clock position of the watch in the direction you want to read.
3. In the Timekeeping Mode, press A.
x The
2
Second Hand will move to 12 o’clock and the direction reading operation will start. After about
two seconds, the
2
Second Hand will move to indicate north.
If your watch has a direction ring...
4. Rotate A and align N on the direction ring with north, as indicated by the
2
Second hand.
Take a reading of the desired direction with the 12 o’clock position of the direction ring pointed towards
it.

Direction ring 12 o’clock position of the direction ring: 315˚

E-34
Taking Direction Readings
You can use the Digital Compass Mode to determine the direction of north, and to check your bearing to
a destination.
x For information about what you can do to improve digital compass reading accuracy, see “Calibrating
Direction Readings” (page E-38) and “Digital Compass Precautions” (page E-42).
Hand Indicators
1
Hour Hand
2
Second Hand: Points to magnetic north.
3
Minute Hand
5
Lower Dial Hand: Points to the day of the week.

E-33
8. Rotate the crown to adjust the year setting.
x If you want to change the time setting at this time, press B and then perform the procedure starting
from step 4 under “To change the current time setting manually” (page E-30).
Year setting (ones digit)
0
1
2
3
4
9
8
6
5
7
Year setting (tens digit)
00
10
20
30
40
90
80
60
5070
Example: 2015
9. After the settings are the way you want, push the crown back in to return to the Timekeeping Mode.
x This causes timekeeping to resume with the
2
Second Hand starting from 12 o’clock.
Note
x The watch’s built-in full automatic calendar makes allowances for different month lengths and leap
years. Once you set the day, there should be no reason to change it except after you have the watch’s
rechargeable battery replaced or after power drops to Level 3.
E-32
To change the current day setting manually
1. Pull out the crown.
x This will cause the
2
Second Hand to move to the city code of
the currently selected Home City.
2. Hold down B for about one second until the watch beeps and the
2
Second Hand moves to 12 o’clock.
x This indicates the manual time setting mode.
3. Press B twice. This will enter the day setting mode.
x The
6
Day Indicator will move slightly to indicate the setting
mode.
4. Rotate the crown to adjust the day setting.
5. After the
6
Day Indicator stops moving, press B. This will enter
the month setting mode.
x The
2
Second Hand will move to the currently selected month.
6. Rotate the crown to adjust the month setting.
7. Press B. This will enter the year setting mode.
x The
1
Hour Hand will move to the number that represents the
tens digit of the year and the
3
Minute Hand will move to the
number that represents the ones digit. The
2
Second Hand will
move to 12 o’clock and stop there.

Dec
Nov
Feb
Mar
Apr
Oct
Sep
Aug
Jan
Jul May
Jun
Setting the month
Operation Guide 5394 (OC)
E-47
To swap your Home City and World Time City
1. Hold down A for about three seconds until the watch beeps.
x This will make the World Time City (NYC in this example) your new Home City. At the same time, it
will change the Home City you had selected (TYO in this example), to your World Time City.
x After swapping the Home City and World Time City, the watch will stay in the World Time Mode. The
2
Second Hand will point to your new World Time City (TYO in this example).


Note
x If your current World Time City supports time calibration signal reception, making it your Home City
enables calibration signal reception for that city.
E-46
5. Push the crown back in to exit the city code setting mode.
x If you do not perform any operation with the crown for about two minutes after pulling it out, crown
operations will become disabled. If this happens, push the crown back in and then pull it out again.
Swapping your Home City and World Time City
You can use the procedure below to swap your Home City and World Time City. This capability can come
in handy when you frequently travel between two locations in different time zones.
The following example shows what happens when the Home City and World Time City are swapped while
the Home City originally is TYO (Tokyo) and the World Time City is NYC (New York).
Home City World Time City
Before swapping
Tokyo
10:08 p.m.
(Standard time)
New York
9:08 a.m.
(Daylight saving time)
After swapping
New York
9:08 a.m.
(Daylight saving time)
Tokyo
10:08 p.m.
(Standard time)
E-45
To view the time in another time zone
1. In the Timekeeping Mode, press B once to enter the World Time Mode.
x The
5
Lower Dial Hand will move to WT.
x To select the UTC zone as your World Time, simply hold down C for about three seconds. No other
operation is required.
2. Pull out the crown.
x The
2
Second Hand points to the currently selected World Time city code.
x The
5
Lower Dial Hand will indicate AUTO, STD (standard time) or DST (daylight saving time),
which indicates the current daylight saving time setting.
x This indicates the city code setting mode.
3. Rotate the crown to move the
2
Second Hand to the city code you want to select as the World Time
City.
x Each time you select a city code, the
1
Hour Hand,
3
Minute Hand, and
6
Day Indicator move to
the current time and day for that city code. For details about city codes, see the “City Code Table” at
the back of this manual.
x If you think that the time indicated for the selected World Time City is not correct, it probably means
that there is something wrong with your Home City settings. Use the procedure under “To confi gure
Home City settings” (page E-27) to correct the Home City settings.
4. Hold down A for about one second to cycle through the summer time settings as shown below.
AUTO STD DST
AA
A
x For details about AUTO, STD, or DST, see “STD/DST Switching” (page E-28).
E-44
Checking the Current Time in a Different Time Zone
You can use World Time to view the current time in one of 29 time zones around the globe. The currently
selected city is called the “World Time City”.
Hands and Indicators
1
Hour Hand: Indicates the hour of the current time in the World Time City.
2
Second Hand: Indicates the current World Time City for about three
seconds after the World Time mode is entered.
3
Minute Hand
5
Lower Dial Hand: Points to WT.
6
Day Indicator
x Pressing A causes the
2
Second Hand to move to the current World Time
City for about three seconds.
Important!
x Time calibration signal reception is disabled while the watch is in the World
Time Mode.

NYC (NEW YORK)
E-43
Location
x Taking a direction reading when you are near a source of strong magnetism can cause large errors
in readings. Because of this, you should avoid taking direction readings while in the vicinity of the
following types of objects: permanent magnets (magnetic necklaces, etc.), concentrations of metal
(metal doors, lockers, etc.), high tension wires, aerial wires, household appliances (TVs, personal
computers, washing machines, freezers, etc.).
x Accurate direction readings are impossible while in a train, boat, air plane, etc.
x Accurate readings are also impossible indoors, especially inside ferroconcrete structures. This is
because the metal framework of such structures picks up magnetism from appliances, etc.
Storage
x The precision of the bearing sensor may deteriorate if the watch becomes magnetized. Because
of this, you should store the watch away from magnets or any other sources of strong magnetism,
including: permanent magnets (magnetic necklaces, etc.) and household appliances (TVs, personal
computers, washing machines, freezers, etc.).
x Whenever you suspect that the watch may have become magnetized, perform the procedure under
“To perform bidirectional calibration” (page E-40).
E-42
Digital Compass Precautions
Magnetic North and True North
The northerly direction can be expressed either as magnetic north or true
north, which are different from each other. Also, it is important to keep in
mind that magnetic north moves over time.
x Magnetic north is the north that is indicated by the needle of a
compass.
x True north, which is the location of the North Pole of the Earth’s axis, is
the north that is normally indicated on maps.
x The difference between magnetic north and true north is called the
“declination”. The closer you get to the North Pole, the greater the
declination angle.
True north
Earth
Magnetic north
E-41
To perform northerly calibration
Important!
x If you want to perform both northerly and bidirectional calibration,
perform bidirectional calibration fi rst, and then perform northerly
calibration. This is necessary because bidirectional calibration cancels
any existing northerly calibration setting.
1. While a compass operation is being performed, pull out the crown.
x The
2
Second Hand and
3
Minute Hand will move to 12 o’clock, and
the
1
Hour Hand will move to 6 o’clock.
2. Press B. The
1
Hour Hand will move to 12 o’clock.
3. Place the watch on a level surface, and point 12 o’clock of the watch in
the direction you want to set as north.
4. Press A to start calibration.
x After about seven seconds, the
2
Second Hand will move to Y (YES) if
calibration was successful or to N (NO) if it was not successful.
x If the
2
Second Hand is pointing at N (unsuccessful), press A to
perform calibration again.
5. After calibration is complete, push the crown back in.
x This will start a magnetic north reading operation.
x Press B to return to the Timekeeping Mode.
Note
x To clear northerly calibration, perform bidirectional calibration.


Y
N
Direction you want to set
as north
E-40
To perform bidirectional calibration
1. While a compass operation is being performed, pull out the crown.
x The
2
Second Hand and
3
Minute Hand will move to 12 o’clock, and
the
1
Hour Hand will move to 6 o’clock.
2. Press A to start calibration of Point 1.
x After about seven seconds, the
2
Second Hand will move to Y (YES) if
Point 1 calibration was successful or to N (NO) if it was not successful.
x If the
2
Second Hand is pointing at N (unsuccessful), press A to
perform Point 1 calibration again.
x If the
2
Second Hand is pointing at Y (successful), it will move to
6 o’clock after about two seconds.
3. Rotate the watch 180 degrees.
4. Press A to start calibration of Point 2.
x After about seven seconds, the
2
Second Hand will move to Y if Point
2 calibration was successful or to N if it was not successful.
x If the
2
Second Hand is pointing at N (unsuccessful), press A to
return to Point 1 calibration.
5. After calibration is complete, push the crown back in.
x This will start a magnetic north reading operation.
x Press B to return to the Timekeeping Mode.


Operation Guide 5394 (OC)
E-55
Adjusting Home Positions
Strong magnetism or impact can cause the hands and/or day indicator setting to be off, even if the watch
is able to perform the time calibration signal receive operation.
Auto Home Position Adjustment
Auto correction of hand home positions corrects the hand position automatically.
x Auto correction is performed in the Timekeeping Mode only.
x Auto correction corrects the positions of all hands. For the day Indicator, you must perform the manual
adjustment procedure under “To adjust home positions” (page E-56).
x If the
4
Upper Dial Hand is 12 hours off of the current correct time, correct the setting using the
procedure under “To adjust home positions” (page E-56).
Manual Home Position Adjustment
Perform the procedure in this section if auto home position adjustment is not possible for some reason.
x Hand home position adjustment is not required if the time and day settings are correct.
Note
x Any time after you enter the home position adjustment mode in step 2 of the following procedure, you
can return to the Timekeeping Mode by pushing the crown back in. In this case, any adjustments you
made before the watch returned to the Timekeeping Mode will be applied.
x If you do not perform any operation with the crown for about two minutes after pulling it out, crown
operations will become disabled. If this happens, push the crown back in and then pull it out again.
E-54
6. After the settings are the way you want, push the crown back in to exit the alarm setting mode.
x The alarm always works based on the time kept in the Timekeeping Mode.
x The watch will return to the Timekeeping Mode automatically if you do not perform any operation in
the Alarm Mode for about two or three minutes.
x If you do not perform any operation with the crown for about two minutes after pulling it out, crown
operations will become disabled. If this happens, push the crown back in and then pull it out again.
To turn the alarm on or off
In the Alarm Mode, press A to toggle the alarm between on and off. The
2
Second Hand will indicate the
current ON/OFF setting.
Note
x The alarm will not sound if battery power is low.
x The alarm will not sound if the watch is in the Power Saving sleep state.
To stop the alarm
Press any button.
E-53
To change the alarm time setting
1. In the Timekeeping Mode, press B four times to enter the Alarm Mode.
x The
5
Lower Dial hand will move to AL.
2. Pull out the crown to enter the alarm setting mode.
x You can toggle between the hour and minute setting mode, and the hour only setting mode by
pressing B.
Hour/Minute Hour
B
3. Rotate the crown to set the alarm time.
x The
1
Hour Hand will also move.
x See “Using the Crown” (page E-4) for information about high-speed hand movement.
4. Press B to switch to the hour setting mode.
x The
1
Hour Hand will move slightly left and right to indicate the
1
Hour Hand setting mode.
5. Rotate the crown to adjust the hour setting only.
x Check the 24-hour time indicated by the
4
Upper Dial Hand to see if the current setting is a.m. or
p.m.
x See “Using the Crown” (page E-4) for information about high-speed hand movement.
E-52
Using the Alarm
When the alarm is turned on, an alarm will sound for about 10 seconds each day when the time in the
Timekeeping Mode reaches the preset alarm time. This is true even if the watch is not in the Timekeeping
Mode.
Hands and Indicators
1
Hour Hand: Indicates the currently set alarm time hour.
2
Second Hand: Indicates the current alarm ON/OFF setting.
3
Minute Hand: Indicates the currently set alarm time minute.
4
Upper Dial Hand: Indicates the hour setting of the current alarm time in
24-hour format.
5
Lower Dial Hand: Points to AL.

E-51
3. Rotate the crown to set the countdown start time.
x The maximum countdown start time setting is 60 minutes. To set a countdown start time of 60 minutes,
move the
3
Minute Hand to 12 o’clock.
x See “Using the Crown” (page E-4) for information about high-speed hand movement.
4. Push the crown back in to exit the countdown start time setting mode.
x If you do not perform any operation with the crown for about two minutes after pulling it out, crown
operations will become disabled. If this happens, push the crown back in and then pull it out again.
To perform a countdown timer operation
A
A C
Start Stop Zero Reset
x A time-up alert sounds for 10 seconds when the countdown reaches 0, and then the timer displays the
start time.
x The alarm will not sound if battery power is low.
x Pulling out the crown while a countdown is in progress will stop the countdown and enter the
countdown start time setting mode.
Important!
x Time calibration signal reception is disabled while the watch is in the Countdown Timer Mode.
To stop the alarm
Press any button.
E-50
Using the Countdown Timer
The countdown timer start time can be set in one-minute increments up to 60 minutes. An alarm sounds
for about 10 seconds when the timer reaches zero.
Hands and Indicators
2
Second Hand: Indicates countdown or elapsed seconds.
3
Minute Hand: Indicates countdown or elapsed minutes.
5
Lower Dial Hand: Points to TR.
x All hands move counterclockwise during a countdown.
To specify the countdown start time
1. In the Timekeeping Mode, press B three times to enter the Countdown
Timer Mode.
x The
5
Lower Dial Hand will move to TR.
2. In the Countdown Timer Mode, pull out the crown.
x This enters the countdown start time setting mode.


E-49
To enter and exit the Stopwatch Mode
In the Timekeeping Mode, press B twice to enter the Stopwatch Mode.
x The
5
Lower Dial Hand will move to ST.
To perform an elapsed time operation
A
A A A C
Start Stop (Restart) (Stop) Zero Reset
To perform fl yback timing
Pressing C while an elapsed time operation is in progress performs zero reset and immediately resumes
timing from there. You can do this as many times as you want.
A C C
.....
A C
Start 1 Start 2 Start 3 Stop Zero Reset
x An ongoing elapsed time measurement operation continues even if you pull out the crown or changing
to a different mode.
x The
2
Second Hand, which indicates the 1/20 (0.05)-second count during stopwatch operation, moves
only 30 seconds after an elapsed time measurement operation is started or restarted. After that, the
2
Second Hand stops.
E-48
Using the Stopwatch
You can use the stopwatch to measure elapsed times. A fl yback feature (page E-49) lets you reset the
stopwatch to zero without stopping time measurement.
Hands and Indicators
1
Hour Hand: Indicates the stopwatch minute count
(1 revolution = 60 minutes).
2
Second Hand: Indicates the 1/20 (0.05)-second count during stopwatch
operation.
3
Minute Hand: Indicates the stopwatch seconds count.
4
Upper Dial Hand: Indicates the stopwatch minute count
(1 revolution = 120 minutes).
5
Lower Dial Hand: Points to ST.

Operation Guide 5394 (OC)
E-63
■ Signal reception is being performed successfully, but the time and/or day is wrong.
Possible Cause Remedy Page
Your Home City setting is wrong.
Check your Home City setting and correct it,
if necessary.
E-16
E-27
The watch may have been exposed to
magnetism or strong impact, which has caused
problems with proper hand and day indicator
alignment.
Adjust the watch’s hand and day indicator
home positions.
E-55
World Time
■ The indicated World Time is wrong.
There is a problem with your Home City settings.
Check your Home City settings.
See “To confi gure Home City settings” (page E-27).
■ The indicated World Time is one hour off.
The daylight saving time (summer time) setting for the World Time city is wrong.
See “To view the time in another time zone” (page E-45).
Alarm
■ The alarm does not sound.
x Power may be low. Expose the watch to light until the 2
2
Second Hand starts moving normally, at one-
second intervals (page E-11).
x The time setting is wrong in terms of a.m. and p.m.
x The crown may be pulled out. Push the crown back in.
E-62
■ The current time setting is off by one hour.
Possible Cause Remedy Page
The period when summer time is applied in the
location where you are using the watch may be
different from the period set for your currently
selected Home City.
Use the procedure under “To switch between
standard time and summer time manually” to
switch from AUTO to STD (for standard time) or
DST (for summer time).
E-29
■ Auto Receive is not performed or I cannot perform Manual Receive.
Possible Cause Remedy Page
The watch is in the World Time Mode.
The watch is in the Stopwatch Mode.
Auto Receive is not performed while the watch
is in the World Time Mode or Stopwatch Mode.
Hold down B at least two seconds to enter the
Timekeeping Mode.
E-19
E-25
Your Home City setting is wrong.
Check your Home City setting and correct it,
if necessary.
E-16
E-27
Auto time calibration signal reception is OFF.
Check the auto time calibration signal reception
setting.
E-22
A direction reading or countdown timer
operation is in progress.
Stop the ongoing operation.
E-34
E-50
There is not enough power for signal reception. Expose the watch to light to charge it. E-11
E-61
Time Calibration Signal
The information in this section applies only when LONDON (LON), PARIS (PAR), ATHENS (ATH),
HONOLULU (HNL), ANCHORAGE (ANC), LOS ANGELES (LAX), DENVER (DEN), CHICAGO (CHI),
NEW YORK (NYC), HONG KONG (HKG), or TOKYO (TYO) is selected as the Home City. You need to
adjust the current time manually when any other city is selected as the Home City.
■ The
2
Second Hand indicates N (NO) when I check the result of the latest receive operation.
Possible Cause Remedy Page
x You are wearing or moving the watch, or
performing a button operation during time
calibration signal receive operation.
x The watch is in an area with poor reception
conditions.
Keep the watch in an area where reception
conditions are good while time calibration
signal receive operation is being performed.
E-18
You are in an area where signal reception is not
possible for some reason.
See “Approximate Reception Ranges”. E-17
The alarm time was reached during time
calibration signal reception.
The alarm sounded during time calibration
signal reception, causing reception to be
canceled.
—
The calibration signal is not being transmitted
for some reason.
x Check the website of the organization that
maintains the time calibration signal in your
area for information about its down times.
x Try again later.
—
■ The current time setting changes after I set it manually.
You may have the watch confi gured for Auto Receive of the time calibration signal (page E-19), which will
cause the time to be adjusted automatically according to your currently selected Home City. If this results
in the wrong time setting, check your Home City setting and correct it, if necessary (page E-27).
E-60
■ What causes incorrect direction readings?
x The watch may have been exposed to magnetism. Calibrate the direction sensor.
x A nearby source of strong magnetism, such as a household appliance, a large steel bridge, a steel
beam, overhead wires, etc., or an attempt to perform direction measurement on a train, boat, etc. Move
away from such objects and try again.
■ What causes different direction readings to produce different results at the same location?
x Magnetism generated by nearby digital noise sources (such as high-tension power lines) can interfere
with the detection of terrestrial magnetism. Move away from the source of the digital noise and try
again.
■ Why am I having problems taking direction readings indoors?
A TV, personal computer, speakers, or some other object is interfering with terrestrial magnetism
readings. Move away from the object causing the interference or take the direction reading outdoors.
Indoor direction readings are particularly diffi cult inside ferro-concrete structures. Remember that you will
not be able to take direction readings inside of trains, airplanes, etc.
Charging
■ The watch does not resume operation after I expose it to light.
This can happen after the power level drops to Level 3 (page E-13). Continue exposing the watch to light until
the
2
Second Hand starts moving normally (at one-second intervals).
■ The
2
Second Hand starts to move at one-second intervals, but then suddenly returns to moving
at two-second intervals.
The watch probably is not suffi ciently charged yet. Continue keeping it exposed to light.
E-59
Digital Compass Mode
■ An error is indicated during sensor operation.
Subjecting the watch to strong impact can cause sensor malfunction or improper contact of internal
circuitry. The illustrations below how sensor mode errors are indicated.
x During digital compass operations, nearby strong magnetism can cause an
error to be indicated.
x Move away from any potential source of strong magnetism and restart the
measurement. See “Location” (page E-43). If an error is indicated when you
restart the measurement, it probably means that there is a problem with the
sensor or internal circuitry.
■ Abnormal magnetism detection is indicated.
x Move away from any potential source of strong magnetism and try taking a
reading again.
x If abnormal magnetism is detected again when you retry, it could mean that
the watch itself has become magnetized. If this happens, continue to keep
away from the source of strong magnetism, perform bidirectional calibration,
and then try taking a reading again. For more information, refer to “To
perform bidirectional calibration” (page E-40) and “Location” (page E-43).
Whenever you have a sensor malfunction, take the watch to your original dealer or nearest authorized
CASIO distributor as soon as possible.


E-58
■ The current time setting is off by hours.
x Your Home City setting may be wrong. Check your Home City setting and correct it, if necessary (page
E-27).
■ The current time setting is off by one hour.
x If you are using the watch in an area where time calibration signal reception is possible, see “To
confi gure Home City settings” (page E-27).
x The period when summer time is applied in the location where you are using the watch may be
different from the period set for your currently selected Home City. Use the procedure under “To switch
between standard time and summer time manually” (page E-29) to switch from AUTO to STD (for standard
time) or DST (for summer time).
■ The time and date settings are off.
This could indicate that the watch has been exposed to magnetism or strong impact, which has caused
problems with proper hand and day indicator alignment. Adjust the watch’s hand and day indicator home
position alignment (page E-55).
E-57
Troubleshooting
Hand Movement and Position
■ I lost track of what mode the watch is in.
Refer to “Mode Reference Guide” (page E-24). To return directly to the Timekeeping Mode, hold down B at
least two seconds.
■ The hands of the watch suddenly start moving at high speed, even when I do not perform any
operation.
This could be due to any one of the following causes. In all cases, the hand movement does not indicate
malfunction, and should stop shortly.
x The watch is recovering from a sleep state (page E-15).
x The time setting is being adjusted following a successful auto time calibration signal receive operation
(page E-16).
■ The
2
Second Hand is moving at two-second intervals.
■ All the watch’s hands are stopped at 12 o’clock and none of the buttons work (
2
Second Hand
stopped at 57, 58, 59, or 00).
Power may be low. Expose the watch to light until the
2
Second Hand starts moving normally, at one-
second intervals (page E-11).
■ Hands suddenly stop moving. Button operation also is disabled.
The watch may be in the power recovery mode (page E-13). Do not perform any operation until the hands
return to their normal positions (in about 15 minutes). The hands should return to their correct positions
when normal operation returns. To help power recover, leave the watch in a location where it is exposed
to light.
E-56
To adjust home positions
1. In the Timekeeping Mode, pull out the crown.
2. Hold down C for at least fi ve seconds until the watch beeps and the
2
Second Hand moves to 12 o’clock.
x Automatic home position adjustment of all of the hands (but not the
6
Day Indicator) will start.
x If all hands are at 12 o’clock (the proper home hand home position),
advance directly to step 3.
x If the
4
Upper Dial Hand is not pointing at 24, which is its home position,
hold down A for about two seconds to move it there.
3. Press B.
x This enters the
6
Day Indicator home position adjustment mode.
4. Check the
6
Day Indicator to confi rm that it is 1, which is its home position.
x If the 1 is not in the center of the
6
Day Indicator, rotate the crown to
center it.
x Rotating the crown three full consecutive turns clockwise will cause the
6
Day Indicator to start changing in a forward direction (increment).
x To stop
6
Day Indicator movement, press any button.
5. Push the crown back in to return to the Timekeeping Mode.
x This will cause the hands to return to their normal positions and resume
regular timekeeping. Wait until everything stops moving before performing
any other operation.

Operation Guide 5394 (OC)
L-3
City Code City
UTC Offset/
GMT Differential
Summer Time Period
Summer Time Start Summer Time End
KHI Karachi +5 None None
DEL Delhi +5.5 None None
DAC Dhaka +6 None None
RGN Yangon +6.5 None None
BKK Bangkok +7 None None
HKG Hong Kong +8 None None
TYO Tokyo +9 None None
ADL Adelaide +9.5
02:00, fi rst Sunday in October 03:00, fi rst Sunday in April
SYD Sydney +10
NOU Noumea +11 None None
WLG Wellington +12
02:00, last Sunday in
September
03:00, fi rst Sunday in April
x
This table shows the city codes of this watch. (As of June 2014)
x
The rules governing global times (UTC offset and GMT differential) and summer time are determined by
each individual country.
x
The summer time periods in this table are applicable to specifi c cities. For cities not included in the
list, select the list city that is in the same time zone as the desired city and perform STD/DST settings
manually.
L-2
City Code Table
City Code City
UTC Offset/
GMT Differential
Summer Time Period
Summer Time Start Summer Time End
PPG Pago Pago –11 None None
HNL Honolulu –10 None None
ANC Anchorage –9
02:00, second Sunday in
March
02:00, fi rst Sunday in
November
LAX Los Angeles –8
DEN Denver –7
CHI Chicago –6
NYC New York –5
SCL Santiago –4
24:00, second Saturday in
October
24:00, second Saturday
in March
RIO Rio De Janeiro –3 0:00, third Sunday in October
0:00, third Sunday in February or
0:00, fourth Sunday in February
FEN
Fernando de
Noronha
–2 None None
RAI Praia –1 None None
UTC – – –
LON London 0 01:00, last Sunday in March 02:00, last Sunday in October
PAR Paris +1 02:00, last Sunday in March 03:00, last Sunday in October
ATH Athens +2 03:00, last Sunday in March 04:00, last Sunday in October
JED Jeddah +3 None None
THR Tehran +3.5
0:00, March 22 or
0:00, March 21
0:00, September 22
or
0:00, September 21
DXB Dubai +4 None None
KBL Kabul +4.5 None None
L-1
City Code Table
E-65
Countdown Timer:
Measuring unit: 1 second
Input range: 1 to 60 minutes (1-minute increments)
Alarm: Daily alarm
Other: Power Saving; Auto Correction of Hand Home Positions
Power Supply: Solar panel and one rechargeable battery
Approximate battery operating time: 6 months (no exposure to light after a full charge; 10 seconds
beeper operation, one signal reception of approximately 4 minutes per day; 20 direction reading
operations per month)
E-64
Specifi cations
Accuracy at normal temperature: ±15 seconds a month (with no signal calibration)
Timekeeping: Hour, minutes (hand moves every 10 seconds), seconds, day, day of the week
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Home City code (can be assigned one of 29 city codes and Coordinated Universal Time);
Daylight Saving Time (summer time) auto switching / Standard time
Time Calibration Signal Reception: Auto receive up to six times a day (5 times a day for the Chinese
calibration signal; Remaining auto receives cancelled as soon as one is successful);
Manual receive
Receivable Time Calibration Signals:
Mainfl ingen, Germany (Call Sign: DCF77, Frequency: 77.5 kHz); Anthorn, England
(Call Sign: MSF, Frequency: 60.0 kHz); Fukushima, Japan (Call Sign: JJY, Frequency:
40.0 kHz); Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60.0 kHz); Fort Collins,
Colorado, the United States (Call Sign: WWVB, Frequency: 60.0 kHz); Shangqiu City,
Henan Province, China (Call Sign: BPC, Frequency: 68.5 kHz)
Compass: 20 seconds continuous reading; North indication by hand; Calibration (bidirectional, northerly);
Manual reading
World Time: 29 cities (29 time zones), UTC (Universal Time Coordinated); Home City/World Time City
switching; one-touch UTC zone access
Other: Daylight Saving Time (summer time) / Standard Time
Stopwatch: Measuring capacity: 1:59'59.95"
Measuring unit: 1/20 (0.05) seconds
Measuring mode: Elapsed time
Flyback timing
1

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