Sony ICF-C273 Operating Instructions
![Sony ICF-C273 manual cover](/images/cce2d1893a1219b065076e49/thumbs/thumb175x175.webp)
To set the alarm on your Sony ICF-C273, press and hold the ALARM button while setting the desired time using the TIME SET + and - buttons. Release the ALARM button once the correct time is set.
The Sony ICF-C273 allows you to adjust the display brightness by pressing the SNOOZE/BRIGHTNESS button. Each press will cycle through the brightness settings: High, Low, and Off.
If the radio reception is poor on your Sony ICF-C273, try extending the antenna fully and repositioning it. Also, make sure the unit is placed away from other electronic devices that might cause interference.
To set the clock, press and hold the CLOCK button, then use the TIME SET + and - buttons to adjust the hour and minutes. Release the CLOCK button once the correct time is set.
Ensure that the alarm is set to the correct time and that the alarm function is activated. Also, check the volume level to ensure it is not set to zero.
To switch between AM and FM radio modes on your Sony ICF-C273, use the BAND button. Each press will toggle between AM and FM bands.
No, the Sony ICF-C273 does not support battery operation. It must be plugged into an AC power outlet to function.
To reset your Sony ICF-C273, unplug the unit from the power source and leave it unplugged for a few minutes. Then, plug it back in to restore factory settings.
To activate the sleep timer, press the SLEEP button repeatedly to cycle through the available time options (90, 60, 30, or 15 minutes). The radio will turn off automatically after the selected time period.
If the buttons on your Sony ICF-C273 are unresponsive, try unplugging the unit for a few minutes to reset it. If the problem persists, consider contacting Sony support for further assistance.