Casio GB-6900B - To Change the Alarm;Timer Alert Method

E-52
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4
To return to the Timekeeping Mode, press A.
Note
The above procedure affects the button operation tone only. The alarm, hourly time
signal, and time up alarm are not affected.
To change the alarm/timer alert method
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1
In the Timekeeping Mode, hold down A for about
two seconds until the time zone setting screen
appears.
1
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2
Press C 11 times to display alert setting screen.
See “Configuring Current Time and Date Settings
Manually” (page E-19).
The screen will show either [VIB] or [BEEP].