Sony ICF-C253 Operating Instructions
![Sony ICF-C253 manual cover](/images/14207e5d6edd2b9cc76f4398/thumbs/thumb175x175.webp)
To set the time, press and hold the CLOCK button. Use the TIME SET buttons to adjust the hours and minutes. Release the CLOCK button to save the time.
Press and hold the ALARM button while adjusting the time using the TIME SET buttons. Release the ALARM button to set the alarm time.
Ensure the device is plugged into a working outlet. Check the power cord and replace the backup battery if the device is still unresponsive.
Extend the antenna fully and reposition the unit for better signal reception. Avoid placing near metal surfaces or electronic devices that cause interference.
Yes, you can adjust the brightness by pressing the SNOOZE/BRIGHTNESS button until you reach the desired level.
Ensure the alarm is switched on and the volume is set to an audible level. Check that the correct alarm time and AM/PM settings are configured.
Open the battery compartment at the bottom of the unit. Remove the old battery and insert a new CR2032 battery, ensuring the polarity is correct.
To perform a reset, unplug the unit from the power source, remove the backup battery, wait a few minutes, then reinsert the battery and plug the unit back in.
A flashing display may indicate a power interruption or a need to reset the clock. Set the correct time to stop the flashing.
Press and hold the CLOCK button while simultaneously pressing the HOUR button to toggle between 12-hour and 24-hour formats.