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Casio 5230 Operation Manual

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About This Manual
Things to check before using the watch
1. Check the battery power level.
Is H or M indicated as the battery power indicator (page E-15)?
2. Check the Home City and the daylight saving time (DST) setting.
Use the procedure under "To confi gure Home City settings" (page E-42) to
confi gure your Home City and daylight saving time settings.
Proper time calibration signal reception and World Time Mode data depend on
correct Home City, time, and date settings in the Timekeeping Mode. Make sure
you configure these settings correctly.
3. Set the current time.
To set the time using a time calibration signal
See "To get ready for a receive operation" (page E-26).
To set the time manually
See "Confi guring Current Time and Date Settings Manually" (page E-48).
About This Manual
Things to check before using the watch
Operation Guide 5230
Depending on the model of your watch, display text
appears either as dark fi gures on a light background,
or light fi gures on a dark background. All examples
in this manual are shown using dark fi gures on a light
Button operations are indicated using the letters shown
in the illustration.
Note that the product illustrations in this manual are
intended for reference only, and so the actual product
may appear somewhat different than depicted by an
Battery power
Congratulations upon your selection of this CASIO watch.
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.
The watch is charged.
For details about charging, see "Charging the Watch" (page E-12).
Power is low. Charge the watch by placing it in a location where it is exposed to
light. For details, see "Charging the Watch" (page E-12).
The watch is now ready for use.
For details about the watch's radio controlled timekeeping feature, see "Radio
Controlled Atomic Timekeeping" (page E-21).
Go to step 2.


Table of Contents

  Also See for Casio 5230

  Summary of Contents for Casio 5230

  • Page 1: Table Of Contents

    ENGLISH Congratulations upon your selection of this CASIO watch. 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.
  • Page 2: Charging The Watch

    Operation Guide 5230 E-60 Using the Countdown Timer E-75 Hand Home Position Adjustment E-60 To enter the Countdown Timer Mode E-75 To adjust home positions manually E-60 To specify the countdown start time E-78 Moving the Hands for Easy Viewing of the Digital Dials...
  • Page 3: To Recover From The Sleep State

    Operation Guide 5230 The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch Radio Controlled Atomic Timekeeping is already in a sleep state when 6:00 AM arrives, however, it will remain in the sleep This watch receives a time calibration signal and updates its time setting state.
  • Page 4: To Check The Latest Signal Reception Results

    Operation Guide 5230 Receive successful If the receive operation is successful, the reception If the current reception fails but a previous reception Receive failed date and time appear in the left digital dial. The watch (within the last 24 hours) was successful, the right will return to the Timekeeping Mode if you press D or digital dial will show RCVD and ERR.
  • Page 5: Timekeeping

    Operation Guide 5230 General Functions (All Modes) Timekeeping The functions and operations described in this section can be used in all of the modes. Use the Timekeeping Mode to set and view the current Minutes time and date. Auto Return Features...
  • Page 6: Using The World Time Mode

    Operation Guide 5230 D and/or B A to exit the setting mode. When the timekeeping setting you want to change is fl ashing, use Press to change it as described below. The watch automatically adjusts its analog setting to match the current time displayed in the left digital dial.
  • Page 7: Using The Countdown Timer

    Operation Guide 5230 A until the minute setting of the current countdown start time starts Using the Countdown Timer Hold down to fl ash. This is the setting mode. The countdown timer can be set within a range of one minute to 100 minutes. An Whenever you enter a setting mode, the analog hands will automatically move to alarm sounds when the countdown reaches zero.
  • Page 8: To Turn The Auto Light Switch On And Off

    Operation Guide 5230 D to toggle the illumination duration between three seconds (LT3 Warning! Press displayed) and 1.5 seconds (LT1 displayed). Always make sure you are in a safe place whenever you are reading the face of the watch using the auto light switch. Be especially careful when A to exit the setting mode.
  • Page 9: Other Settings

    Operation Guide 5230 To return the hands to their normal positions Other Settings Hold down C for about two seconds until HAND appears. The button operation tone sounds any time you press one of the watch’s buttons. Note You can turn the button operation tone on or off as desired.
  • Page 10: Specifi Cations

    Operation Guide 5230 ■ ■ Auto Receive is not performed or you cannot perform Manual Receive. Signal reception is being performed successfully, but the time and/or day is wrong. Possible Cause Remedy Page Possible Cause Remedy Page Auto receive is performed only while the...