
Operation Guide 5161
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.
•This watch does not have a city code that corresponds to the UTC offset of
Keep the watch exposed to bright light
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| The electricity generated by the solar cell of the watch is | |||
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| stored by a rechargeable battery. Leaving or using the | ||||
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l | l l l | l | l l l | l | watch where it is not exposed to light causes the battery | |||
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Solar cell |
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| to run down. Make sure the watch is exposed to light as | |||
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| much as possible. | ||||
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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 covered only partially. |
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•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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| functions |
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| LEVEL 2 |
| LEVEL 2 |
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| enabled |
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| LEVEL 3 |
| Dis- | LEVEL 3 | Some or all |
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| functions | |||
Charge | LEVEL 4 |
| charge | LEVEL 4 | |
| disabled |
Rechargeable battery
•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” (page
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” (page E-69) 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.
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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.
Contents
General Guide ......................................................................................................... |
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World Time ............................................................................................................. |
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Alarms .................................................................................................................... |
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Stopwatch .............................................................................................................. |
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Countdown Timer .................................................................................................. |
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Power Supply ........................................................................................................ |
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Timekeeping .......................................................................................................... |
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Adjusting Home Positions ................................................................................... |
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Reference .............................................................................................................. |
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Specifications ....................................................................................................... |
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Procedure Lookup
The following is a handy reference list of all the operational procedures contained in this manual.
To specify your Home City ................................................................................... |
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To perform manual receive .................................................................................. |
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To turn auto receive on and off ........................................................................... |
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To view the latest signal reception results ......................................................... |
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To view the time in another city ........................................................................... |
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To toggle a city code time between Standard Time and |
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Daylight Saving Time ...................................................................................... |
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To set an alarm time ............................................................................................. |
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To turn the Hourly Time Signal on and off .......................................................... |
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To turn off all alarms and the Hourly Time Signal .............................................. |
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To measure times with the stopwatch ................................................................ |
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To configure the countdown timer ...................................................................... |
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To use the countdown timer ................................................................................ |
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To set the time and date manually ...................................................................... |
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To change the Daylight Saving Time (summer time) setting ............................ |
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To adjust home positions ..................................................................................... |
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To turn the button operation tone on and off ..................................................... |
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To recover from the sleep state ........................................................................... |
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General Guide
•Press B to change from mode to mode.
•In any mode, press A to illuminate the face of the watch.
•Holding down B for at least two seconds at any time will return directly to the Timekeeping Mode.
World Time Mode | Alarm Mode |
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Timekeeping Mode
Battery/Receive Mode
Press B.
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Countdown Timer Mode | Stopwatch Mode |
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