Casio DQ545 Operation Guide

To set the time, press and hold the 'Set' button until the hour digits start flashing. Use the 'Up' and 'Down' buttons to adjust the hour. Press 'Set' again to switch to minutes, and adjust similarly. Press 'Set' once more to confirm and exit.
Press the 'Alarm' button to enter alarm setting mode. Use the 'Set' button to toggle between hours and minutes, and adjust with the 'Up' and 'Down' buttons. Press 'Alarm' again to save the settings.
Check if the clock is in a power-saving mode or if the batteries need replacing. Ensure the clock is not exposed to direct sunlight, which can affect readability.
Ensure the alarm is set correctly and the alarm indicator is visible on the display. Check the volume settings and replace the batteries if necessary.
When the alarm sounds, press the 'Snooze' button. The alarm will pause and sound again after a few minutes.
Yes, press and hold the 'Set' button until the format option appears. Use the 'Up' or 'Down' button to select between 12-hour and 24-hour formats.
Open the battery compartment at the back of the clock, remove the old batteries, and insert new ones, ensuring the correct polarity. Close the compartment securely.
This could be due to weak batteries. Replace them with new ones and check if the issue persists. If it continues, consider resetting the clock.
To reset the clock, remove the batteries and wait for a few minutes. Reinsert the batteries and set the time and alarm again.
No, the Casio DQ545 is not water-resistant. Avoid exposing it to moisture to prevent damage.