How to set alarm on G-Shock GMA-S110 / Casio 5425

Before using this guide, we recommend:

• Download official GMA-S110 Manual →
• Watch official 5425 GMA-S110 Manual Online →

All settings are clearly explained and understandable.

1. In the Alarm Mode, use D to scroll through the alarm screens until the one whose time you want to set is displayed.

• To set a daily alarm, display alarm screen AL1, AL2, AL3 or AL4. To set the snooze alarm, display the SNZ screen.
• SIG is the Hourly Time Signal setting (page E-37). • The snooze alarm repeats every five minutes.

2. After you select an alarm, hold down A for about three seconds until the hour setting of the alarm time starts to flash. This is the setting mode.

• This operation turns on the alarm automatically.

3. Press C to move the flashing between the hour and minute settings.
4. While a setting is flashing, use D (+) and B (–) to change it.
5. Press A to exit the setting mode.

To turn an alarm on and off

1. In the Alarm Mode, use ‘ to select an alarm.

2. Press A to toggle it on (on) and off (OFF).

• Turning on a alarm (AL1, AL2, AL3, AL4 or SNZ) displays the alarm on indicator on its Alarm Mode screen.
• In all modes, the alarm on indicator is shown for any alarm that currently is turned on.
• The alarm on indicator fl ashes while the alarm is sounding.
• The snooze alarm indicator flashes while the snooze alarm is sounding and during the 5-minute intervals between alarms.

To turn the Hourly Time Signal on and off

1. In the Alarm Mode, use ‘ to select the Hourly Time Signal (SIG).

2. Press A to toggle it on (on) and off (OFF).

• The Hourly Time Signal on indicator is shown on the display in all modes while this function is turned on.