G-Shock GW-1800DJ-1A9 - Manual (Page 37)

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To set the alarm time
1. In the Alarm Mode, hold down A until the hour setting of the alarm time start to
flash in the upper left display. This is the setting mode.
• This operation turns on the alarm automatically.
2. Press C to move the flashing between the hour and minute settings.
3. Use D (+) and B (–) to change the flashing setting.
• When setting the alarm time using the 12-hour format, take care to set the time
correctly as a.m. (no indicator) or p.m. (PM indicator).
4. Press A to exit the setting mode.
Alarm Operation
The alarm sounds at the preset time for about 10 seconds, regardless of the mode the
watch is in.
• To stop the alarm tone after it starts to sound, press any button.
To test the alarm
In the Alarm Mode, hold down D to sound the alarm.