MO0807-EA
Operation Guide 3155
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to read this manual carefully.
Keep the watch exposed to bright light
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l | l | l l l | l | l l l | l | l | where it is not exposed to light causes the battery to run |
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Solar cell |
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| • When you are not wearing the watch on your wrist, | |||
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| position the face so it is pointed at a source of bright |
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| light. |
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| • You should try to keep the watch outside of your sleeve |
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| as much as possible. Charging is reduced significantly if |
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| the face is only partially covered. |
• The watch continues to operate, even when it is not exposed to light. Leaving the watch in the dark can cause the battery to run down, which will result in some watch functions to be disabled. If the battery goes dead, you will have to
Battery charges in the light. | Battery discharges in the dark. | ||||
Solar cell | Bright Light |
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(Converts light to |
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electrical power.) |
| energy |
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| LEVEL 1 | All |
| LEVEL 1 |
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| LEVEL 2 |
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| functions |
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| LEVEL 2 |
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| enabled | Dis- | LEVEL 3 | Some or all | |
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| LEVEL 3 |
| charge | LEVEL 4 | |
Charge |
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LEVEL 4 |
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Rechargeable battery
General Guide
•Press Cto change from mode to mode.
•In any mode (except when a setting screen is on the display), press Lto illuminate the display.
Timekeeping Mode
Press C.
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Radio-controlled Atomic Timekeeping
This watch receives a time calibration signal and updates its time setting accordingly.
•This watch is designed to pick up the time calibration signals transmitted in Germany (Mainflingen), England (Anthorn), the United States (Fort Collins), China (Shangqiu), and Japan (Fukushima, Fukuoka/Saga).
Current Time Setting
This watch adjusts its time setting automatically in accordance with a time calibration signal. You also can perform a manual procedure to set the time and date, when necessary.
•The first thing you should do after purchasing this watch is to specify your Home City (the city where you normally will use the watch). For more information, see “To specify your Home City” below.
•When using the watch outside the areas covered by the time signal transmitters, you will have to adjust the current time setting manually as required. See “Timekeeping” for more information about manual time settings.
•The U.S. time calibration signal can be picked up by the watch while in North America. The term “North America” in this manual refers to the area that consists of Canada, the continental United States, and Mexico.
To specify your Home City
•The actual level at which some functions are disabled depends on the watch model.
•Frequent display illumination can run down the battery quickly and require charging. The following guidelines give an idea of the charging time required to recover from a single illumination operation.
Approximately 5 minutes exposure to bright sunlight coming in through a window Approximately about 8 hours exposure to indoor fluorescent lighting
•Be sure to read “Power Supply” for important information you need to know when exposing the watch to bright light.
If the display of the watch is blank...
If the display of the watch is blank, it means that the watch’s Power Saving function has turned off the display to conserve power.
•See “Power Saving Function” for more information.
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
•Depending on the model of your watch, display text appears either as dark figures on a light background or light figures on a dark background. All sample displays in this manual are shown using dark figures on a light background.
•Button operations are indicated using the letters shown in the illustration.
•Each section of this manual provides you with the information you need to perform operations in each mode. Further details and technical information can be found in the “Reference” section.
Rally Mode | Recall Mode |
| World Time Mode |
▲ | ▲ |
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Countdown Timer | Stopwatch Mode |
| Alarm Mode |
Mode |
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•See the maps under “Approximate Reception Ranges” for information about the reception ranges of the watch.
•You can disable time signal reception, if you want. See “To turn auto receive on and off” for more information.
•Under factory default settings, auto receive is turned off for all of the following city codes: MOW (Moscow), HNL (Honolulu), and ANC (Anchorage). For details about turning on auto receive for these city codes, see “To turn auto receive on and off”.
Time Calibration Signal Reception
There are two different methods you can use to receive the time calibration signal: auto receive and manual receive.
•Auto Receive
With auto receive, the watch receives the time calibration signal automatically up to 6 times a day (5 times a day for the Chinese calibration signal). When any auto receive is successful, the remaining auto receive operations are not performed. For more information, see “About Auto Receive”.
•Manual Receive
Manual receive lets you start a time calibration receive operation with the press of a button. For more information, see “To perform manual receive”.
City code
l | ll | lll |
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| Hour : Minutes |
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PM indicator | Seconds | |||||
1.In the Timekeeping Mode, hold down Auntil the city code starts to flash, which indicates the setting screen.
2.Press D(east) and B (west) to select the city code you want to use as your Home City.
LIS, LON : Lisbon, London
MAD, PAR, ROM, BER, STO : Madrid, Paris, Rome, Berlin, Stockholm
ATH : Athens
MOW : Moscow
HKG, BJS, TPE : Hong Kong, Beijing, Taipei
SEL, TYO : Seoul, Tokyo
HNL : Honolulu
ANC : Anchorage
Important!
•When getting ready to receive the time calibration signal, position the watch as shown in the nearby illustration, with its 12 o’clock side facing towards a window. This watch is designed to receive a time calibration signal late at night. Because of this, you should place the watch near a window as shown in the illustration when you take it off at night. Make sure there are no metal objects nearby.
12 o’clock
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YVR, LAX : Vancouver, Los Angeles
YEA, DEN: Edmonton, Denver
MEX, CHI : Mexico City, Chicago
MIA, YTO, NYC : Miami, Toronto, New York
YHZ : Halifax
YYT : St.Johns
3. Press A to exit the setting screen.
•Normally, your watch should show the correct time as soon as you select your Home City code. If it does not, it should adjust automatically after the next auto receive operation (in the middle of the night). You also can perform manual receive or you can set the time manually.
•The watch will receive the time calibration signal automatically from the applicable transmitter (in the middle of the night) and update its settings accordingly. For information about the relationship between city codes and transmitters, see “Time Calibration Signal Reception” and “Transmitters”.
•Make sure the watch is facing the right way.
•Proper signal reception can be difficult or even impossible under the conditions listed below.
Inside or | Inside a | Near household | Near a | Near high- | Among or |
among | vehicle | appliances, office | construction | tension | behind |
buildings |
| equipment, | site, airport, or | power lines | mountains |
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| or a mobile | other sources of |
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| phone | electrical noise |
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