Operation Guide 4798
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.
Starting second hand movement and digital display
To conserve battery power, the watch is shipped from the factory with its functions disabled. Pressing any one of the watch’s three buttons will activate its functions, which will cause the second hand to start moving and the digital display to activate.
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.
General Guide
•Press Cto change from mode to mode.
•About one or two seconds after you enter the Dual Time Mode, Alarm Mode, or Hand Setting Mode, the hands will move to the position that indicates the current setting of the mode.
•In the Timekeeping Mode (except when a setting screen is on the display), press B to illuminate the face of the watch for about one second.
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. The time calibration signal includes both Standard Time and Daylight Saving Time (summer time) data.
•Supported time calibration signals: Germany (Mainflingen), England (Rugby).
•See the information under “Signal Reception Troubleshooting” if you experience problems with time calibration signal reception.
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 Time Zone, which is the time zone where you normally will use the watch. For more information, see “To specify your Home Time Zone” 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 Time Zone
About This Manual
Stopwatch 1/20 second hand | • Button operations are indicated using the letters shown |
Minute hand | in the illustration. |
• Each section of this manual provides you with the | |
Hour hand | information you need to perform operations in each |
| mode. Further details and technical information can be |
| found in the “Reference” section. |
Date
Stopwatch
minute hand Second hand (Timekeeping/
Stopwatch)
Stopwatch Mode | Dual Time Mode |
▲ | ▲ |
Hand Setting Mode | Alarm Mode |
▲ | ▲ |
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.
DST indicator
I | I I | II | |
II |
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| I | I |
I | I I |
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GMT differential value
1.In the Timekeeping Mode, hold down Auntil the GMT differential value 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.
•The GMT differential value indicates the time difference in hours between Greenwich Mean Time and the currently selected time zone.
•The DST indicator indicates that Daylight Saving Time (summer time) is turned on for the currently selected time zone.
2.Use B(+) to select the time zone you want to use as your Home Time Zone.
•The table below shows the GMT differential values for major cities in the Western Europe time zones.
12 o’clock
or
•Make sure the watch is facing the right way.
•Proper signal reception can be difficult or even impossible under the conditions listed below.
Time Zone | Other major cities in same time zone | |
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+0.0 (DST +1.0) | London, Dublin, Lisbon, Casablanca, Dakar, Abidjan | |
+1.0 (DST +2.0) | Paris, Milan, Rome, Madrid, Amsterdam, Algiers, Hamburg, | |
Frankfurt, Vienna, Stockholm, Berlin | ||
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+2.0 (DST +3.0) | Athens, Cairo, Jerusalem, Helsinki, Istanbul, Beirut, | |
Damascus, Cape Town | ||
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3. Press A to exit the setting screen.
•The second hand will advance at high speed to the correct position and resume normal movement from there.
•Normally, your watch should show the correct time as soon as you specify your Home Time Zone. 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.
•Selecting +0.0, +1.0, or +2.0 (+1.0, +2.0, or +3.0 while DST is turned on) as your Home Time Zone turns on auto receive automatically. When auto receive is turned on and you are within the reception range, 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 time zones (GMT differential values) and transmitters, see “Transmitters”.
•See the maps under “Reception Ranges” for information about the reception ranges of the watch.
•If you are in an area that does not use Daylight Saving Time (summer time), turn off the DST setting.
•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.
Inside or | Inside a | Near | Near a | Near high- | Among or |
among | vehicle | household | construction | tension | behind |
buildings |
| appliances, | site, airport, or | power lines | mountains |
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| office | other sources |
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| equipment, | of electrical |
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| or a mobile | noise |
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| phone |
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•Signal reception normally is better at night than during the day.
•Time calibration signal reception 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 operations or move the watch during this time.
•When within range of the applicable transmitter, this watch can receive either the Germany (Mainflingen) and England (Rugby) time calibration signals.
See “Transmitters” for more information.
Reception Ranges
1,500 kilometers
Rugby |
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500 kilometers | Mainflingen |
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