Sony CMT-M11C Operating Instructions
![Sony CMT-M11C manual cover](/images/10878347677794538ba3e3e9/thumbs/thumb175x175.webp)
To reset the Sony CMT-M11C to factory settings, unplug the power cord and leave it unplugged for a few minutes. Then, plug it back in while holding down the "Stop" button on the main unit until "RESET" appears on the display.
Ensure the unit is plugged in and powered on. Try pressing the "Open/Close" button on the unit or remote control. If this fails, gently press on the tray while pressing the button. If the issue persists, the unit might need servicing.
To improve radio reception, extend the antenna to its full length and reposition it for the best signal. Avoid placing the unit near metal objects or electronic devices that may cause interference.
Check if the volume is turned up and not muted. Ensure the speaker cables are properly connected to the unit. Verify that the correct audio source is selected and that the audio file or CD is not damaged.
To clean the CD lens, use a CD lens cleaning disc following the instructions provided with the cleaner. Avoid using liquid cleaners directly on the lens.
The Sony CMT-M11C is designed to work with its built-in speakers. Connecting external speakers may require additional equipment and is not recommended without proper technical knowledge.
Press the "Clock/Timer Set" button, then use the "Tuning +/–" buttons to set the hour. Press "Enter," then use the same buttons to set the minutes and press "Enter" again to confirm.
Check that the power cord is securely connected and the power outlet is functional. If the display remains off, try resetting the unit. Persistent issues may require professional servicing.
To program preset stations, tune to the desired station, then press and hold a numeric button (1-9) on the remote until the preset number appears on the display. Repeat for additional stations.
The Sony CMT-M11C can play standard audio CDs, CD-R, and CD-RW discs. Ensure that CD-R/RW discs are properly finalized after recording.