Operation Guide 3353 3354 5053
Getting Acquainted
Congratulations upon your selection of this CASIO watch. To get the most out of your purchase, be sure to carefully read this manual and keep it on hand for later reference when necessary.
Keep the watch exposed to bright light
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l | l | l | l | l l | l l l | l | l | it is not exposed to light causes the battery to run down. |
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Solar cell | • When you are not wearing the watch on your wrist, | |
position the face so it is pointed at a source of bright light. | ||
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| • You should try to keep the watch outside of your sleeve | |
| as much as possible. Charging is reduced significantly if | |
| 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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electrical power.) |
| energy |
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| LEVEL 1 | All |
| LEVEL 1 |
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| LEVEL 2 | functions |
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| LEVEL 3 |
| Dis- | LEVEL 3 | |
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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, press B to illuminate the display.
Timekeeping Mode
| Press C. |
| Hand Setting Mode |
▲ | ▲ |
Radio-controlled Atomic Timekeeping
•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 50 minutes 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.
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.
Battery Level IndicatorWorld Time Mode
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| Alarm Mode |
Stopwatch Mode |
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Hour hand
Minute hand
Day
Day of week
Second hand
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 from Anthorn, England and the signal from Mainflingen, Germany.
4. Press A twice to exit the setting screen.
•The first press of A displays the
•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.
•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.
•See “Transmitters” for details about the transmitter indicator.
To display the digital time and last signal screen
• In the Timekeeping Mode, press A to cycle through the digital time screens as |
shown below. |
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.
•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.
• In the Timekeeping Mode, press D to display the last signal screen. The last signal |
screen shows the date and time of the last successful time calibration signal |
reception. |
Date Screen |
| Receiving |
| Receiving |
Day |
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| Press A. | Seconds Count |
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| Current Time |
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Day of week ▲ | Screen |
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Press D. |
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To set your Home City
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City code
1.In the Timekeeping Mode, hold down Auntil the transmitter indicator (AT, DCF, MSF) starts to flash, which indicates the setting screen.
•If the displayed transmitter indicator shows something other than AT, use Dto display AT before advancing to the next step.
•The second hand will move at high speed to the 12 o’clock position, where it will stop.
2.Press Cto display the city code setting screen.
3.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, Barcelona, Madrid
ATH: Athens
Reception date |
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2 seconds | Reception Time |
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Last Signal Screen | 2 seconds |
2 seconds |
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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 automatically picks up the time calibration signal five times a day at 0:00 a.m., 1:00 a.m., 2:00 a.m., 3:00 a.m., and 4:00 a.m. For more information, see “About Auto Receive”.
•Manual Receive
Manual receive lets you start time calibration signal reception with the press of a button. For more information, see “To perform manual receive”.
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