How to set alarm on Casio HDD-S100 / Casio 3274

Before using this guide, we recommend:

• Download official HDD-S100 Manual →
• Watch official 3274 HDD-S100 Manual Online →

All settings are clearly explained and understandable.

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

• To set an alarm, display one of the screens indicated by an alarm number from through .

2. After you select an alarm, press A to enter the setting screen. The hour digits fl ash because they are selected.

• This operation turns on the alarm automatically.

3. After the hour setting is the way you want, press A to move the fl ashing to the minutes.
4. While a setting is flashing, use C (+) to change it.

• When setting the alarm time using the 12-hour format, take care to set the time correctly as a.m. or p.m. (PM indicator).

5. When the minutes setting is the way you want, press A. This will cause “ON” to flash on the display.

• Press C to toggle the alarm setting between on and off ( ).

6. Press A to exit the setting screen.

 

To test the alarm

In the Alarm Mode, hold down C to sound the alarm.

To turn the Hourly Time Signal on and off

1. In the Alarm Mode, use C to select the Hourly Time Signal.
2. Press A, which will cause the fl ashing display to change to “ON”. This is the setting mode.

• Entering the setting mode automatically turns on the Hourly Time Signal.

3. Press C to toggle the Hourly Time Signal between on and off. 

4. Press A to exit the setting screen.