MO0602-EA
Operation Guide 4330
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 and keep it on hand for later reference when necessary.
Keep the watch exposed to bright light
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| where it is not exposed to light causes the battery to run | |
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| down. Make sure the watch is exposed to light as much as | |
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| Solar cell | • When you are not wearing the watch on your wrist, | |||
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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. Even if the face of the watch is | |
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| only partially blocked from light, charging will be reduced | |
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| significantly. | |
• 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 cause some watch functions to be disabled. If the battery goes dead, you will have to
If the analog hands aren’t moving...
If the analog hands aren’t moving, it means that the power saving mode has stopped them to save battery power.
•See “Power Saving” for more information.
•The hands also stop whenever the battery level reaches Level 3.
•This watch does not have a city code that corresponds to the Greenwich Mean Time differential of
•Your watch switches automatically between Standard Time and Daylight Saving Time (summer time).
Note, however, that switching cannot be performed correctly if the watch is not able to receive the time calibration signal. If you notice that the current time is not displayed properly, use the procedure under “To perform manual receive” or “To set the time and date manually” to correct it.
About This Manual
•Button operations are indicated using the letters shown
Minute hand in the illustration.
Stopwatch second hand | • Each section of this manual provides you with the |
| information you need to perform operations in each |
Battery charges in the light.
Solar cell | Bright light | Electrical |
(Converts light to | ||
electrical power.) | energy | |
| LEVEL 1 | All |
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| LEVEL 2 | |
| enabled. | |
| Charge LEVEL 3 |
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| Rechargeable battery | |
Battery discharges in the dark.
All functions disabled,
except for analog timekeeping and stopwatch .
LEVEL 1
Dis- LEVEL 2
charge LEVEL 3 All 
functions
disabled.
Hour hand |
mode. Further details and technical information can be |
found in the “Reference” section. |
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| Date |
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Second |
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•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.
General Guide
Manual Receive |
| Receive Status Check | |||
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| Hold down A |
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| ▲ | for about two seconds. |
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| Press A. | ||
Transmitter Change |
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Press any button. | ▲ |
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Time/Date Adjustment | Timekeeping Mode | ||||
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| Hold down A | ▲ |
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Press A.
Radio-controlled Atomic Timekeeping
This watch receives a time calibration signal and updates its time setting accordingly. The time calibration signal includes both Standard Time and Daylight Saving Time (summer time) data.
•This watch is designed to pick up the time calibration signal transmitted in the United States (Fort Collins, Colorado) and the time calibration signals transmitted in Japan.
•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.
Current Time Setting
This watch adjusts its time setting automatically in accordance with a time calibration signal. You can also 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, which is the city where you will normally use the watch. For more information, see “To specify your Home City” below.
•When using the watch outside the range of the time signal transmitter, you have to adjust the current time setting manually as required. See “Timekeeping” for more information about manual time settings.
To specify your Home City
1. In the Timekeeping Mode, press D to enter the World Time Mode.
• The stopwatch second hand will move to the city code that is currently selected as the World Time city.
2. Press D to select the city code you want to use as your Home City.
NYC (GMT
CHI (GMT
DEN (GMT –7): Denver, Edmonton, El Paso
LAX (GMT –8): Los Angeles, Vancouver, San Francisco,
Las Vegas, Seattle/Tacoma, Dawson City ANC (GMT –9): Anchorage, Nome
HNL (GMT –10): Honolulu, Papeete
TYO (GMT +9): Tokyo , Seoul, Pyongyang
• In addition to the above, you can also select city codes that are outside the ranges of the time calibration signals transmitters supported by this watch.
• Note that this watch does not have a city code that corresponds to Newfoundland.
• The times in parentheses above are GMT differential values.
The GMT differential value indicates the time difference in hours between Greenwich Mean Time and the currently selected city code.
Stopwatch Mode
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| Press C. |
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| Press A. |
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| Timekeeping Mode |
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| Press B. at 00:00'00.00'', | |
▲ | Press C. | Press D. | press D. | ||
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Alarm Mode |
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| World Time Mode | |
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| Press B. | Press B. |
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| Press D. | ▲ |
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3.While holding down A, press Dto reverse the current positions of the World Time and Home Time. This operation makes the World Time city you selected in step 2 your Home Time, and your current Home Time the World Time.
4.Press B to return to the Timekeeping Mode.
•Normally, your watch should show the correct time as soon as you specify 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 can also perform manual receive or you can set the time manually.
•Even if the time calibration signal is received correctly, there are some times when the analog hands may not indicate the correct time. If this happens, use the procedures under “Adjusting the Home Positions” to check the home positions of the hands, and make adjustments as required.
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 six times a day. 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”.
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. Make sure there are no metal objects nearby.
12 o’clock
or
•The watch should not be facing the wrong way.
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