
Operation Guide 4321 4322
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.
Expose the watch to bright light to charge its battery before using it.
You can use this watch even as its battery is being charged by exposure to bright light.
•Be sure to read “Power Supply” of this manual for important information you need to know when exposing the watch to bright light.
Keep the watch exposed to bright light
Bright Light | The electricity generated by the solar cell of the watch is | |
stored by a | ||
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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 | Electrical |
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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 | functions |
| LEVEL 2 |
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| enabled |
| Some or all | ||
| LEVEL 3 |
| Dis- | LEVEL 3 | |
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Charge |
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| charge | LEVEL 4 | |
LEVEL 4 |
| disabled |
Rechargeable battery
General Guide
•Press Cto change from mode to mode.
•In any mode, press B to illuminate the face of the watch.
Battery Level Indicator
Timekeeping Mode
Press C.
▲
▲
Radio-controlled Timekeeping
•The actual level at which some functions are disabled depends on the watch model.
•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.
About This Manual
•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.
World Time Mode | Alarm Mode |
▲ | ▲ |
Hand Setting Mode | Stopwatch Mode |
▲ | ▲ |
Hour hand | This watch receives a time calibration signal and updates | |
its time setting accordingly. The time calibration signal | ||
Minute hand | ||
includes both Standard Time and Daylight Saving Time | ||
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| (summer time) data. | |
| • This watch is designed to pick up the time calibration | |
| signal transmitted from Anthorn, England and the signal | |
| from Mainflingen, Germany. |
Day
Day of week | Second hand |
Current Time Setting
This watch automatically adjusts its time setting in accordance with a time calibration signal. You can also perform a manual procedure to set the time and date, when necessary.
To set your Home City
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City code
1.In the Timekeeping Mode, hold down Auntil the city code starts to flash, which indicates the setting screen.
•The second hand will move at high speed to the 12 o’clock position, where it will stop.
2.Use D(east) and B(west) to select the city code you want to use as your Home City.
•The following are the city codes for major cities in the Western Europe time zones.
LON: London
PAR and BER: Paris, Berlin, Milan, Rome, Amsterdam, Hamburg, Frankfurt, Vienna
ATH: Athens
3. Press A to exit the setting screen.
•The second hand will advance at high speed to the correct position in accordance with seconds count of the digital time, and resume normal movement from there.
•The first thing you should do after purchasing this watch is to set your Home City, which is the city where you will normally use the watch. For more information, see “To set your Home City” below.
•When using the watch in an area that is outside of the range of the transmitters in Anthorn and Mainflingen, you need to manually adjust the time as required. See “Timekeeping” for information about manual settings.
•The analog time of this watch is synchronized with the digital time. Because of this, the analog time setting is automatically adjusted whenever you change the digital
setting. See “Analog Timekeeping” for more information.
•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 (in the middle of the night).You can also perform manual receive or you can set the time manually.
•If you are in an area that does not use Daylight Saving Time (summer time), turn off the DST setting.
•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 “Transmitters”.
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