G-Shock GW-3000 User Manual

MA1002-EA
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Operation Guide 5121
Congratulations upon your selection of this CASIO watch.
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 this product or its malfunction.

About This Manual

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n Right Dial Hands: Indicate a time, in 24-hour format, depending on the current
m Day
This User’s Guide uses numbers shown above to identify watch hands and indicators.
Button operations are indicated using the letters A through D shown in the illustration.
Hand Functions
z Hour Hand x Second Hand
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c Minute Hand v Left Dial Hand:
Indicates the current day of the week and current mode.
b 24-hour Hand:
Indicates the current 24-hour timekeeping hour.
mode.

Things to check before using the watch

1. Hold down C at least two seconds to enter the Timekeeping Mode, and
then observe the movement of the
Is the x Second Hand moving smoothly at one-second intervals?
Is the x Second Hand moving at two-second intervals or is it stopped completely?
Power is low. Charge the watch by placing it in a location where it is exposed to light. For details, see “Charging the Watch”.
NO
YES
Second Hand.
The watch is charged suffi ciently. For details about charging, see “Charging the Watch”.
Go to step 2.
YES
NEXT
2. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under “To confi gure Home City settings” to confi gure your Home City and daylight saving time settings.
Important!
Proper time calibration signal reception and World Time settings depend on correct Home City, time, and date settings in the Timekeeping Mode. Make sure you confi gure these settings correctly.
3. Set the current time.
To set the time using a time calibration signal See “To get ready for a receive operation”.
To set the time manually See “Confi guring Current Time and Date Settings Manually”.
The watch is now ready for use.
For details about the watch’s radio contr olled timekeeping feature, see “Radio Controlled Atomic Timekeeping”.

Charging the Watch

The face of the watch is a solar cell 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
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.
On the dashboard of a car parked in direct sunlight Too close to an incandescent lamp Under direct sunlight
Important!
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. 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.
Whenever you are not wearing the watch, leave it in a location where it is exposed to light.
Best charging performance is achieved by exposing the watch to light that is as strong as possible.
When wearing the watch, make sure that its face is not blocked from light by the sleeve of your clothing.
The watch may enter a sleep state if its face is blocked by your sleeve even only partially.
Power Levels
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Moves at two-second intervals.
Level Hand Movement Function Status
1 Normal. All functions enabled
Second Hand moves at two-second
2
intervals.
Day changes to 1 (home position).
Second Hand stopped.
3
z Hour Hand and c Minute Hand stopped at 12 o’clock.
When power drops to Level 3, all functions will be disabled but the watch will continue to keep time internally for about one week. If you recharge the battery suffi ciently during this period, the analog hands will move automatically to the correct setting and regular timekeeping will resume. After one week, all settings (including timekeeping) will be cleared. Recharging the battery will reset all settings to their initial factory defaults.
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 overuse of the alarm tone 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.
You can get an idea of the watch’s power level by observing the movement of the Timekeeping Mode.
If the
Second Hand is moving normally at one-second
intervals, power is at Level 1. If the
Second Hand is moving at two-second intervals,
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power is at Level 2, which is quite low. Expose the watch to light as soon as possible so it can charge.
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Beeper, time calibration signal reception disabled
All functions disabled
Second Hand in the
Charging Times
Exposure Level (Brightness)
Outdoor sunlight (50,000 lux) 8 minutes 2 hours 24 hours
Window sunlight (10,000 lux) 30 minutes 6 hours 90 hours
Window sunlight on cloudy day (5,000 lux)
Indoor fl uorescent lighting (500 lux) 8 hours 92 hours – – –
1 Approximate exposure each day to generate power for normal daily operation. * 2 Approximate exposure to take power up one level. *
The above times are for reference only. Actual times depend on lighting conditions. For details about the operating time and daily operating conditions, see the “Power Supply” section of the Specifi cations.
Power Saving
Power Saving enters a sleep state automatically whenever the watch is left for a certain period in an area where it is dark. The table below shows how watch functions are affected by Power Saving.
There actually are two sleep state levels: “second hand sleep” and “function sleep”.
Elapsed Time in Dark Operation
60 to 70 minutes (second hand sleep)
6 or 7 days (function sleep)
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 in the sleep state. The watch will not enter a sleep state while it is in the Stopwatch Mode.
To recover from the sleep state
Move the watch to a well-lit area or press any button.
Daily
Operation
*1
48 minutes 8 hours – – –
Second Hand only stopped at 12 o’clock, all
other functions enabled
All functions, including analog timekeeping, disabled
Internal timekeeping maintained
Level Change *2
Level 3 Level 2 Level 1

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 Date Settings Manually” 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:
LON, PAR, ATH Anthorn (England), Mainfl ingen (Germany)
HKG Shangqiu City (China)
TYO Fukushima (Japan), Fukuoka/Saga (Japan)
HNL, ANC, LAX, DEN, CHI, NYC Fort Collins, Colorado (United States)
Important!
The areas covered by HNL and ANC are quite far from the calibration signal transmitters, so certain conditions may cause reception problems. When HNL or HKG is selected as the Home City, only the time and date are adjusted according to the time calibration signal. You need to switch manually between standard time and daylight saving time (DST) if required. See “To toggle the Home City time between standard time and daylight saving time” for information about how to do this.
The watch can receive the signal from the transmitter located here:
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Operation Guide 5121
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Approximate Reception Ranges
UK and German Signals North American Signal
Anthorn
500 kilometers
1,500 kilometers
Inside a vehicle
Mainfl ingen
Fukushima
1,000 kilometers
12 oclock
or
Near household appliances, offi ce equipment, or a mobile phone
Signal reception normally is better at night. The receive operation takes from two to seven minutes, but in some cases it can take as long as 14 minutes. Take care that you do not perform any button operation or move the watch during this time.
Near a construction site, airport, or other sources of electrical noise
The Anthorn signal is receivable within this area.
Japanese Signals Chinese Signal
500 kilometers
Fukuoka/Saga
Even when the watch is within range of a transmitter, signal reception may be impossible due to the effects of geographic contours, structures, weather, the time of year, the time of day, radio interference, etc. The signal becomes weaker at distances of approximately 500 kilometers, which means that the infl uence of the above conditions becomes even greater. 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) As of November 2009, 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. 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 summer time, etc.
To get ready for a receive operation
Confi rm that the watch is in the Timekeeping Mode. If it isnt, hold down 1. C at least two seconds to enter the Timekeeping Mode.
The antenna of this watch is located on its 12 oclock side. Position the watch with 2. 12 oclock facing towards a window as shown in the nearby illustration. Make sure there are no metal objects nearby.
Signal reception may be diffi cult or even impossible under the conditions described below.
Inside or among buildings
What you should do next depends on whether you are using Auto Receive or 3. Manual Receive.
Auto Receive: Leave the watch over night in the location you selected in step 2. See Auto Receive for details. Manual Receive: Perform the operation under To perform manual receive.
Auto Receive
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. When a calibration time is reached, the watch will perform the receive operation only if it is in the Timekeeping Mode or World Time Mode. The receive operation is not performed if a calibration time is reached while you are confi guring settings.
2,000 miles (3,000 kilometers)
600 miles (1,000 kilometers)
Fort Collins
Changchun500 kilometers
1,500 kilometers
Near high-tension power lines
Beijing Shangqiu Shanghai Chengdu Hong Kong
Among or behind mountains
To perform manual receive
In the Timekeeping Mode, keep 1. A depressed (for about two seconds) as the
Second Hand goes through the following sequence.
Moves to YES (or Y for some models) or NO (N) to indicate the last signal reception result, then to READY (R).
The 2. x Second Hand indicates the operations the watch is currently performing.
When the x Second Hand is pointed here:
READY (R) Watch is setting up for reception.
WORK (W) Reception is in progress.
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YES (Y)
NO (N) Reception failed for some reason.
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Radio-controlled Atomic Timekeeping Precautions
Strong electrostatic charge can result in the wrong time setting. Even if a receive operation is successful, certain conditions can cause the time setting to be off by up to one second. The watch is designed to update the date and day of the week automatically for the period January 1, 2000 to December 31, 2099. Updating of the date by signal reception will no longer be performed starting from January 1, 2100. If you are in an area where signal reception is not possible, the watch keeps time with the precision noted in Specifi cations”. The receive operation is disabled under any of the following conditions.
While power is at Level 2 or lower While the watch is in the power recovery mode When the watch is in the function sleep state (Power Saving)
A receive operation is cancelled if an alarm sounds while it is being performed.
If signal reception is unstable, the move betweenWORK (W) and READY (R).
The receive operation is complete when the 3. Hand moves to YES (Y) or NO (N) for about fi ve seconds, and then resumes regular timekeeping.
You can return to the Timekeeping Mode manually by pressing A while the YES (Y) or NO (N). When the receive operation is successful, the watch adjusts the time setting accordingly. It does not adjust the setting if the operation failed.
Note
To interrupt a receive operation and return to the Timekeeping Mode, press any button.
To check the result of the latest receive operation
In the Timekeeping Mode, press A.
Second Hand will move to YES (Y) for fi ve
The seconds if the latest receive operation was successful, or NO (N) if it was not. After that, regular timekeeping will resume. You can return to the Timekeeping Mode manually by pressing A while the (Y) or NO (N).
Note
Second Hand will indicate NO (N) if you have
The adjusted the time or date setting manually since the latest receive operation.
It means this:
Reception was completed successfully.
Second Hand may
Second
Second Hand is pointing to
Second Hand is pointing to YES

Mode Reference Guide

Your watch has four modes. The mode you should select depends on what you want to do.
To do this: Enter this mode:
View the current time in your Home City and in one of 29 other cities around the globe
View the current date in the Home City Confi gure Home City and daylight saving time (DST) settings Perform a time calibration receive operation Confi gure time and date settings manually
Use the stopwatch to measure elapsed time Stopwatch Mode
Select one of 29 cities (time zones) around the world and view the current time there
Select daylight saving/summer time (DST) or standard time for a time zone
Set an alarm time Alarm Mode
Selecting a Mode
With this watch, everything starts from the Timekeeping Mode.
To determine the watch’s current mode
Check the position of the under To select a mode.
To return to the Timekeeping Mode from any other mode
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Except while the watch is performing auto hand home position correction, hold down C at least two seconds until
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the x Second Hand returns to 12 oclock.
Left Dial Hand as shown
Timekeeping Mode
World Time Mode
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Operation Guide 5121
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To select a mode
Press C to cycle between the modes as shown below. The indicates the currently selected mode.
Timekeeping Mode Stopwatch Mode
The hand indicates the day
of the week.
Alarm Mode
The hand points to ALM.
C
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Left Dial Hand
The hand points to 0.
World Time Mode
The hand points to STD or DST.

Timekeeping

Use the Timekeeping Mode to view the current time and date. To enter the Timekeeping Mode from any other mode, hold down C at least two seconds.
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Hand Functions
z Hour Hand x Second Hand c Minute Hand v Left Dial Hand: Indicates the day of the week. b 24-hour Hand:
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Indicates the current 24-hour timekeeping hour.
n Right Dial Hands:
Indicate the current time in the World Time City in 24-hour format.
m Day
Confi guring Home City Settings
There are two Home City settings: actually selecting the Home City and selecting either standard time or daylight saving time (DST).
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This is the city code setting mode. The watch will exit the setting mode automatically if you do not perform any operation for about two or three minutes. For details about city codes, see the City Code Table.
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While you are selecting the Home City code, the whether the currently selected city code is confi gured for standard time (STD) or daylight saving/summer time (DST). Note that you cannot switch between STD (standard time)/DST (daylight saving time) while UTC is selected as your Home City.
After all the settings are the way you want, press 4. A to return to the Timekeeping Mode.
To toggle the Home City time between standard time and daylight saving time
Perform the step 1 under To confi gure Home City settings.1.
Each time you select a city code, the
24-hour Hand move to the current time for that city code. Do not perform the
next operation until these hands stop moving. While you are selecting the Home City code, the whether the currently selected city code is confi gured for standard time (STD) or daylight saving/summer time (DST).
Press 2. B to toggle the time for the city code of the currently selected Home City between STD (standard time)/DST (daylight saving time).
Note that you cannot switch between STD (standard time)/DST (daylight saving time) while UTC is selected as your Home City.
After the setting is the way you want, press 3. A to return to the Timekeeping Mode.
Note
After you specify a city code, the watch will use UTC* offsets to calculate the World Time based on the current time in your Home City. Selecting some city codes makes it possible for the watch to receive the time calibration signal for the corresponding area automatically. See Radio Controlled Atomic Timekeeping for details.
Coordinated Universal Time, the world-wide scientifi c standard of timekeeping. * The reference point for UTC is Greenwich, England.
To confi gure Home City settings
Note
This watch does not have a city code that corresponds to Newfoundland.
In the Timekeeping Mode, keep 1. A depressed (for about ve seconds) as the


following sequence.
Moves to YES (or Y for some models) or NO (N) to indicate the last signal reception result, then to READY (R), and then to the city code of the currently selected Home City.
To change the Home City setting, press 2. D to move the
Second Hand clockwise.
Keep pressing D until the at the city code you want to select as your Home City. Each time you change the city code setting, the
Hour Hand, c Minute Hand, b 24-hour Hand and Day move to the current time and date for that city
code. Do not perform the next operation until these hands stop moving.
Press 3. B to toggle the time for the currently selected city code between STD (standard time)/DST (daylight saving time).
Second Hand goes through the
Second Hand is pointing
Left Dial Hand will indicate
Hour Hand, c Minute Hand, and
Left Dial Hand will indicate
Confi guring Current Time and Date Settings Manually
You can confi gure current time and date settings manually when the watch is unable to receive a time calibration signal.
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Change the Home City and daylight saving time (DST) settings, if you want.2.
For details about these settings, see steps 2 and 3 under To confi gure Home City settings. In the following steps, each press of C cycles between settings as shown below.
Home city/DST Hour/Minute
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When setting the time, make sure that the a.m./p.m. hour. If you want to change the date setting at this time, press C and perform the procedure starting from step 3 under To change the current date setting manually.
After the time setting is the way you want, press 5. A to return to regular timekeeping.
This will cause the resume movement from there.
To change the current date setting manually
00
90
80
70
60
Setting the year (tens digit)
9
8
7
Setting the year (ones digit)
Nov
Oct
Aug
Jul
Setting the month
To change the current time setting manually
In the Timekeeping Mode, keep 1. A depressed (for about ve seconds) as the following sequence.
Moves to YES (or Y for some models) or NO (N) to indicate the last signal reception result, then to READY (R), and then to the city code of the currently selected Home City. The currently selected city code is confi gured for standard time (STD) or daylight saving/summer time (DST).
Press 3. C.
The the time setting mode.
Use 4. D (+) and B (–) to change the time (hour and minute) setting.
Each press of either button will move the hands (
Hour Hand and c Minute Hand) one minute.
Holding down D or B will start high-speed Hand and direction. To stop high-speed hand movement, press any button. The with each other.
Second Hand to move automatically to 12 oclock and
In the Timekeeping Mode, keep 1. A depressed (for about fi ve seconds) as the
10
50
1
5
Jan
May
goes through the following sequence.
20
30
Press 2. C twice.
40
Press 3. D to move the x Second Hand clockwise until it is pointing at the year tens digit you want to select.
2
After you select the year tens digit, press 4. C.
3
Press 5. D to move the until it is pointing at the year ones digit you want
4
to select.
Feb
MarSep
Apr
0
6
Dec
Jun
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Second Hand goes through the
Left Dial Hand will indicate whether the
Day Month
Second Hand will move to 12 oclock. This is
Minute Hand movement in the applicable
24-hour Hand and z Hour Hand move in sync
24-hour Hand indicates the proper
Moves to YES (or Y for some models) or NO (N) to indicate the last signal reception result, then to READY (R), and then to the city code of the currently selected Home City.
The
Second Hand will move to the tens digit
of the current year setting. This is the year setting mode. The year can be set in the range of 2000 to
2099.
The
Second Hand will move to the ones digit
of the current year.
After you select the year ones digit, press 6. C.
The
Second Hand will move to the currently
selected month. This is the month setting mode.
Use 7. D to move the x Second Hand to the month setting you want.
After the month setting is the way you want, 8. press C.
The
Second Hand will move to 12 oclock,
and the watch will enter the day setting mode.
Year
(tens digit)
Year
(ones digit)
Second Hand
Second Hand clockwise
Hour
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Operation Guide 5121
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Note
The watchs built-in full automatic calendar makes allowances for different month lengths and leap years. Once you set the date, there should be no reason to change it except after you have the watchs rechargeable battery replaced or after power drops to Level 3.
Use 9. D (+) and B (–) to change the m Day setting.
If you want to change the time setting at this time, press C and then perform the procedure starting from step 3 under To change the current time setting manually.
After the settings are the way you want, press
10. return to regular timekeeping.
This will cause the automatically to 12 oclock and resume movement from there. The day of the week indicated by the changes automatically in accordance with the date (year, month, and day).
Second Hand to move
Left Dial Hand
A to

Using the Stopwatch

The stopwatch measures elapsed time and split times.
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To perform elapsed time measurement
Use 1. C to move the
This indicates the Stopwatch Mode.
Now you can perform either of following stopwatch operations.2.
You will not be able to perform any stopwatch operation while the hands are moving to their initial positions after you enter the Stopwatch Mode.
To perform an elapsed time operation
B
Start Stop (Restart) (Stop) Reset
To pause at a split time
B
D
Start Split Stop Reset
Note
The Stopwatch Mode can indicate elapsed time up to 23 minutes, 59.99 seconds. In the following cases, the hands of the watch are moving, so pressing D or B will not perform any stopwatch operation.
While the hands are moving to elapsed timekeeping after you enter the Stopwatch Mode While the watch is changing dates at midnight
Once started, stopwatch timing continues until you press B to stop it, even if you exit the Stopwatch Mode to another mode or timing reaches the stopwatch limit defi ned above. Whenever you enter the Stopwatch Mode, the hands of the watch move to their initial Stopwatch Mode positions. If you did not reset the stopwatch the last time you used it, the hands will return to the positions they were in the last time you exited the Stopwatch Mode. The
Second Hand indicates the 1/10-second count for the fi rst 30 seconds of
a stopwatch elapsed time operation. After that, the hand stops at 0. 1/10-second timing continues internally after the fi rst 30 seconds, and the x Second Hand will jump to the current value whenever B (Stop) or D (Split) is pressed. Though the operation is in progress, the watch keeps track of the 1/100-second count internally. The
Left Dial Hand will jump to the current 1/100-second reading whenever you
stop the stopwatch or perform a split time operation.
Hand Functions
x Second Hand: Indicates the stopwatch 1/10-second
v Left Dial Hand: Indicates the stopwatch 1/100-second
n Right Dial Hands: Indicate the stopwatch minutes and
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Left Dial Hand to 0.
B
Normal stopwatch hand movement will resume automatically after fi ve seconds.
count.
count.
seconds.
B B
D
B
Left Dial Hand is stopped while an elapsed time measurement
D

Checking the Current Time in a Different Time Zone

You can use the World Time Mode to view the current time in one of 29 time zones around the globe. Each time zone has a city code, which is a three-letter abbreviation of a representative city in the zone. The representative city of the time zone that is currently selected in the World Time Mode is called the World Time City.
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To view the time in another time zone
Use 1. C to move the
This indicates the World Time Mode.
Use 2. D to move the World Time City.
The
Right Dial Hands will move to the current time in the currently selected
World Time City. At this time, the to indicate the current time in the Home City. For full information on city codes, see the City Code Table.
Hand Functions
x Second Hand: Indicates the currently selected World
v Left Dial Hand: Indicates the current STD (standard

n Right Dial Hands: Indicate the current time in the
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Left Dial Hand to STD or DST.
Second Hand to the city code you want to select as the
Time City.
time) or DST (daylight saving time) setting of the currently selected World Time City.
selected World Time City in 24-hour format.
Hour Hand and c Minute Hand will continue
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 to correct the Home City settings.
To specify standard time or daylight saving time (DST) for a time zone
In the World Time Mode, use 1. D to select the city code for the time whose setting you want to change.
Wait until the to the time in the currently selected World Time City. You will not be able to perform step 2 of this procedure
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Hold down A for two seconds
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).
Before swapping
After swapping
until the hands stop moving.
Hold down 2. A for about two seconds until the watch beeps. This will cause the between DST (daylight saving time) and STD (standard time).
Note that you cannot switch between STD (standard time)/DST (daylight saving/summer time) while UTC is selected as the World Time City. Note that the STD (standard time)/DST (daylight saving/summer time) setting affects only the currently selected time zone. Other time zones are not affected.
Home City World Time City
10:08 p.m.
(Standard time)
New York 9:08 a.m.
(Daylight saving time)
Tokyo
Right Dial Hands complete their move
Left Dial Hand to toggle
New York 9:08 a.m.
(Daylight saving time)
Tokyo
10:08 p.m.
(Standard time)
To swap your Home City and World Time City
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Note
If your current World Time City supports time calibration signal reception, making it your Home City enables calibration signal reception for that city.
In the World Time Mode, use 1. D to select the World Time City you want.
In this example, you would move the to NYC in order to select New York as the World Time City. Wait until the to the time in the currently selected World Time City. You will not be able to perform step 2 of this procedure until the hands stop moving.
Hold down 2. B for about three seconds until the watch beeps.
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 prior to step 2 (TYO in this example) to your World Time City. After swapping the Home City and World Time City, the watch will stay in the World Time Mode. The
(TYO in this example). The your new World Time City.
Right Dial Hands complete their move
Second Hand will point to your new World Time City
Right Dial Hands will indicate the current time in
Second Hand

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.
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To change the alarm time setting
Use 1. C to move the
This indicates the Alarm Mode.
Use 2. D (+) and B (–) to change the alarm time setting.
Each press of either button will move the Holding down D or B will start high-speed hand movement in the applicable direction. To stop high-speed hand movement, press any button. The alarm always works based on the time kept in the Timekeeping Mode. 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.
To turn the alarm on or off
In the Alarm Mode, press A to toggle the alarm on and off. The indicate the current ON/OFF setting.
To stop the alarm
Press any button.
Hand Functions
x Second Hand: Indicates the current alarm ON/OFF
v Left Dial Hand: Points to ALM. n Right Dial Hands: Indicate the current alarm time
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Left Dial Hand to ALM.
setting.
setting in 24-hour format.
Right Dial Hands one minute.
Second Hand will
4
Operation Guide 5121
z
x
x
x
x
x
z
x
x
x
x
x
z
n
v
m
x
z
c
z
b
z
z
n
n
n
v
v
v
m
m
c
x
x
n
n
x
x
x

Auto Correction of Hand Home Positions

Strong magnetism or impact can cause the hands and/or day setting to be off, even if the watch is able to perform the signal receive operation. Auto correction of hand home positions correct the hand position automatically.
Auto correction is performed in the Timekeeping Mode only. Auto correction corrects the positions of the
Second Hand. For the dial hands and day, you must perform the manual
adjustment procedure under Adjusting Home Positions Manually. Each hour, the watch performs automatic correction of the hand positions from –55 minutes to +5 minutes. You also can trigger auto correction of hand home positions manually, if you want. See To trigger auto correction of hand home positions for more information. Auto correction of hand home positions can take up to three and a half minutes to complete. If hand positions are off by one hour or more, correct them using the procedure under To trigger auto correction of hand home positions or Adjusting Home Positions Manually.
Hour Hand, c Minute Hand, and
To trigger auto correction of hand home positions
B +

@
Manually triggered auto correction of hand home positions performs the following two steps.
The hands will move automatically in order to determine the home positions of the 1. watch.
After the hand home positions are determined, the watch will return to normal 2. timekeeping automatically. This completes the correction operation.
Perform the following procedure when the time setting is off.
In the Timekeeping Mode, hold down D for about six seconds until the revolution.
Though the three seconds after you hold down D, do not release the button yet. Wait until the revolution before you release D. To interrupt an ongoing correction operation and return to the Timekeeping Mode, press D again. If you release D when the time (after about three seconds) in the above operation, the watch will enter the home position adjustment mode, which is described under Adjusting Home Positions Manually. If this happens, press A to return to the Timekeeping Mode and then perform the above operation again.
Second Hand completes one full
Second Hand will stop momentarily about
Second Hand completes a full
Second Hand stops the fi rst

Adjusting Home Positions Manually

Strong magnetism or impact can cause the hands and/or date of the watch to be off, even if the watch is able to perform the signal receive operation. If this happens, perform the applicable home position adjustment procedures in this section.
Hand home position adjustment is not required if the time and day settings are correct. You also can use auto correction of the hand home positions to correct the home positions of the
Note
Any time after you enter the home position adjustment mode in step 1 of the following procedure, you can return to the Timekeeping Mode by pressing A. The watch also will return to the Timekeeping Mode automatically if you do not perform any operation for about two or three minutes in the home position adjustment mode. In either case, any adjustments you made before the watch returned to the Timekeeping Mode will be applied.
To adjust home positions
If the doesnt, use D to move it to 12 oclock. Each press of C in the home position adjustment mode will cycle through the adjustment settings as shown below.
When adjusting a hand or the date home position, it is recommended that after you move to a proper home position, you press B to move the setting back one step. Next, press D again to return it to the home position. This helps to ensure better home position adjustment accuracy.
The
24. If the hands are not positioned correctly, use D (+) and B (–) to move them to 24.
Hour Hand, c Minute Hand, and x Second Hand.
B +
@

* 6> 5
Second Hand moves to 12 oclock, it is in the correct home position. If it
Second
Day
B +
@

* 6
Right Dial Hands are at their proper home positions if they both move to
Hold down 1. C at least two seconds until the Hand stops and then starts moving again.
Hold down 2. D for about three seconds.
The x Second Hand will start to move when you fi rst press D. Keep D depressed until the Hand stops. The watch is now in the home position adjustment mode. The watch will exit the home adjustment mode automatically if you do not perform any operation for about two or three minutes. First is
Second Hand home position adjustment.
Hour/ c Minute/ b 24-hour
After confi rming that the 3. home position, press C. This will switch to Hand and
Minute Hand home position adjustment.
The
Hour Hand and c Minute Hand are at their
proper home positions if they both move to 12 oclock. The
24-hour Hand also will move along with
Hour Hand movement, and cannot be adjusted
individually. If the hands are not positioned correctly, use D (+) and B (–) to move them to their proper home positions.
After confi rming that the 4. Hand are in their correct home positions, press C. This will switch to adjustment.
Right Dial Hands
Left Dial Hand
Second Hand is at the proper
Hour Hand and c Minute
Right Dial Hands home position
Second
Second
Hour
6>
Press 7. A to return to the Timekeeping Mode.
The
Day moves to the current day, and then the z Hour Hand and the
Minute Hand will move to the current time. Wait until everything stops moving.
After confi rming that the 5. correct home position, press C. This will advance to
Left Dial Hand home position adjustment.
The
Left Dial Hand is in the correct home position if
it is pointing at 12 oclock. If it isnt, use D (+) and B (–) to move it to 12 oclock.
After confi rming that the 6. correct home position, press C. This will advance to day home position adjustment.
The
5
Day is in the correct home position if it
shows 1. If it doesnt, use D (+) and B (–) to change the day to 1.
Right Dial Hands are in the
Left Dial Hand is in the

Troubleshooting

Hand Movement and Position
I lost track of what mode the watch is in.
Refer to To select a mode. To return directly to the Timekeeping Mode from any other mode, hold down C at least two seconds.
The
Second Hand is moving at two second intervals.
All the watchs hands are stopped at 12 oclock and none of the buttons work.
Power may be low. Expose the watch to light until the normally, at one-second intervals.
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.
The watch is recovering from a sleep state. The time setting is being adjusted following a successful auto time calibration signal receive operation. The watch is returning to the Timekeeping Mode automatically from the Alarm Mode.
Hands suddenly stop moving. Button operation also is disabled.
The watch may be in the power recovery mode. 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 power recovers. To help power recover, leave the watch in a location where it is exposed to light.
The current time setting is off by hours.
Your Home City setting may be wrong. Check your Home City setting and correct it, if necessary.
The current time setting is off by one hour.
If you are using the watch in an area where time calibration signal reception is possible, see To confi gure Home City settings. If you are using the watch in an area where time calibration signal reception is not possible, you may need to change your Home Citys STD (standard time)/DST (daylight saving/summer time) setting manually. Use the procedure under To toggle the Home City time between standard time and daylight saving time to change the STD/DST setting.
The hands and/or day indications 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 alignment. Adjust the watchs hand and day home position alignment.
World Time Mode
The World Time indicated by the one hour off from the actual time in the selected World Time City.
The STD (standard time)/DST (daylight saving/summer time) setting of the selected World Time City may be wrong. Select the correct STD (standard time)/DST (daylight saving/summer time) setting.
The World Time indicated by the is off.
Your Home City settings may be wrong. Check your Home City settings and correct them, if necessary.
Charging
The watch does not resume operation after I expose it to light.
This can happen after the power level drops to Level 3. Continue exposing the watch to light until the
The returns to moving at two-second intervals.
The watch probably is not suffi ciently charged yet. Continue keeping it exposed to light.
Second Hand starts moving normally (at one-second intervals).
Second Hand starts to move at one-second intervals, but then suddenly
Right Dial Hands in the World Time Mode is
Right Dial Hands in the World Time Mode
Time Calibration Signal
The information in this section applies only when LON, PAR, ATH, HNL, ANC, LAX, DEN, CHI, NYC, HKG, or 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
Second Hand indicates NO (N) when I check the result of the latest
receive operation.
Possible Cause Remedy
You are wearing or moving the watch, or performing a button operation during the signal receive operation.
The watch is in an area with poor reception conditions.
You are in an area where signal reception is not possible for some reason.
The calibration signal is not being transmitted for some reason.
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, 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.
Keep the watch in an area where reception conditions are good while the signal receive operation is being performed.
See Approximate Reception Ranges.
Second Hand starts moving
Check the website of the organization that maintains the time calibration signal in your area for information about its down times.
Try again later.
5
Operation Guide 5121
The current time setting is off by one hour.
Possible Cause Remedy
Signal reception on a day for switching between STD (standard time)/DST (daylight saving/summer time) may have failed for some reason.
Perform the operation under To get ready for a receive operation. The time setting will be adjusted automatically as soon as signal reception is successful.
If you are unable to receive the time calibration signal, change the STD (standard time)/DST (daylight saving/summer time) setting manually.
Auto Receive is not performed or I cannot perform Manual Receive.
Possible Cause Remedy
The watch is in the Stopwatch Mode.
Your Home City setting is wrong.
There is not enough power for signal reception.
Signal reception is being performed successfully, but the time and/or day is wrong.
Possible Cause Remedy
Your Home City setting is wrong.
The watch may have been exposed to magnetism or strong impact, which has caused problems with proper hand and day alignment.
Auto Receive is not performed while the watch is in the Stopwatch Mode. Hold down C at least two seconds to enter the Timekeeping Mode.
Check your Home City setting and correct it, if necessary.
Expose the watch to light to charge it.
Check your Home City setting and correct it, if necessary.
Adjust the watchs hand and day home positions.
Specifi cations
Accuracy at normal temperature: ±15 seconds a month (with no signal calibration) Timekeeping: Hour, minutes (hand moves every 10 seconds), seconds, 24-hour,
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
Time Calibration Signal Reception: Auto receive up to six times a day (5 times a
Receivable Time Calibration Signals:
Stopwatch: Measuring capacity: 2359.99
World Time: 29 cities (29 time zones) and Coordinated Universal Time
Other: Standard Time/Daylight Saving Time (summer time); Home City/World Time
Alarm: Daily alarm Other: Power Saving; Auto Correction of Hand Home Positions Power Supply: Solar cell and one rechargeable battery
Approximate battery operating time: 5 months (no exposure to light after a full charge; 10 seconds alarm beeper operation and one signal reception of approximately 4 minutes per day)
day, day of the week
Universal Time); Daylight Saving Time (summer time) / Standard Time
day for the Chinese calibration signal; Remaining auto receives cancelled as soon as one is successful); Manual receive
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)
Measuring unit: 1/100 second Measuring mode: Elapsed time, split time
City swapping

City Code Table

City Code City
PAGO PAGO (PPG) Pago Pago –11 HONOLULU (HNL) Honolulu –10 ANCHORAGE LOS ANGELES DENVER (DEN) Denver –7 CHICAGO (CHI) Chicago –6 NEW YORK (NYC) New York –5 SANTIAGO (SCL) Santiago –4 RIO Rio De Janeiro –3 F. DE NORONHA (FEN) Fernando de Noronha –2 PRAIA (RAI) Praia –1 UTC LONDON (LON) London PARIS (PAR) Paris +1 ATHENS (ATH) Athens +2 JEDDAH (JED) Jeddah +3 TEHRAN (THR) Tehran +3.5 DUBAI (DXB) Dubai +4 KABUL (KBL) Kabul +4.5 KARACHI (KHI) Karachi +5 DELHI (DEL) Delhi +5.5 DHAKA (DAC) Dhaka +6 YANGON (RGN) Yangon +6.5 BANGKOK (BKK) Bangkok +7 HONG KONG TOKYO (TYO) Tokyo +9 ADELAIDE (ADL) Adelaide +9.5 SYDNEY (SYD) Sydney +10 NOUMEA (NOU) Noumea +11 WELLINGTON
Based on data as of June 2009.
The rules governing global times (UTC offset and GMT differential) and summer
time are determined by each individual country.
(ANC) Anchorage –9 (LAX) Los Angeles –8
(HKG) Hong Kong +8
(WLG) Wellington +12
UTC Offset/
GMT Differential
0
6
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