Casio DQ980 Operation Guide

To set the time on your Casio DQ980 Clock, press and hold the 'Set' button until the time starts flashing. Use the 'Up' or 'Down' buttons to adjust the hour, then press 'Set' again to adjust the minutes. Once done, press 'Set' again to save the time.
Ensure that the time zone setting is correct. If the clock is set to receive atomic time signals, it may take some time to adjust. Make sure the clock has a clear path to the signal and check the batteries.
To change the alarm settings, press the 'Alarm' button until the alarm time flashes. Use the 'Up' and 'Down' buttons to set the desired alarm time. Press 'Alarm' again to confirm and activate the alarm.
Check the clock's batteries as weak batteries can affect the backlight. Replace the batteries if necessary. If the problem persists, contact Casio support for further assistance.
Press and hold the 'Set' button until the time starts flashing. Then press the 'Mode' button to toggle between 12-hour and 24-hour formats. Once selected, press 'Set' to confirm.
The Casio DQ980 Clock does not have an adjustable alarm volume. The alarm is set to a standard volume level.
To reset the clock to factory settings, remove the batteries and wait for about 30 seconds. Reinsert the batteries and set up the clock from the beginning.
The Casio DQ980 Clock typically uses two AA batteries. It is recommended to replace the batteries every year or if the clock's functions start to diminish.
To disable the alarm, press the 'Alarm' button repeatedly until the alarm indicator disappears from the display.
If your clock is set to receive atomic time signals, it will automatically adjust to the correct time. If this feature is not desired, refer to the manual to disable atomic time reception.