Sony ICF-C503 Operating Instructions
![Sony ICF-C503 manual cover](/images/e2332f07ea8f5e161786a6b8/thumbs/thumb175x175.webp)
To set the time, press and hold the CLOCK button. Use the TUNING + and - buttons to adjust the hour and minutes. Release the CLOCK button when the correct time is set.
Ensure the alarm is set correctly. Check that the ALARM switch is set to either RADIO or BUZZER. Also, verify that the volume is turned up if the alarm is set to RADIO.
Try adjusting the position of the radio and extending the antenna fully. Avoid placing the radio near devices that can cause interference, such as computers and mobile phones.
To reset the radio, unplug the power cord, remove any batteries, and wait for a few minutes. Reinsert the batteries and plug the power cord back in.
The Sony ICF-C503 uses a 9V battery for backup to maintain time and alarm settings during a power outage.
The display brightness can be adjusted using the BRIGHTNESS button. Press it repeatedly to cycle through the available brightness levels.
First, check the volume level and reduce it if necessary. Ensure that the radio is tuned to a clear station. If issues persist, check for interference from other electronic devices.
Yes, you can use headphones with the Sony ICF-C503 by plugging them into the headphone jack located on the back of the unit.
To switch between AM and FM, use the BAND button. Press it to toggle between the AM and FM radio bands.
If the display shows incorrect characters, try resetting the unit by unplugging it and removing the backup battery. Wait a few minutes before reconnecting it.