Sony MHC-GN660 Operating Instructions
![Sony MHC-GN660 manual cover](/images/668d233da95dd787c294deb1/thumbs/thumb175x175.webp)
To reset the Sony MHC-GN660 to factory settings, turn off the system and then press and hold the "STOP" button and the "POWER" button simultaneously until "COLD RESET" appears on the display.
If there is no sound, check the speaker connections and ensure they are secure. Also, verify that the volume is turned up and the mute function is not activated.
To clean the CD player lens, use a CD lens cleaner disc. Follow the instructions provided with the cleaner to ensure the lens is cleaned safely and effectively.
The system may be overheating. Ensure that there is adequate ventilation around the unit, and check for dust accumulation in vents. Also, verify that the auto-standby function is not enabled.
To connect via Bluetooth, activate the Bluetooth function on your smartphone, and search for available devices. Select "MHC-GN660" from the list and pair the devices.
The Sony MHC-GN660 is compatible with speakers that have an impedance of 6 to 16 ohms. Ensure that the power handling capability of the speakers matches the system's output.
To improve FM radio reception, extend and adjust the FM antenna. You may also consider relocating the system to a spot with better signal reception or using an external FM antenna.
To set the clock, press the "CLOCK/TIMER SET" button, use the "TUNING" +/- buttons to set the hour, and press "ENTER". Repeat the process to set the minutes.
Yes, you can play MP3 files on the Sony MHC-GN660 by using a compatible CD-R/RW disc with MP3 files or connecting a USB device that contains MP3 files.
To use the sleep timer, press the "SLEEP" button repeatedly to select the desired time duration (10 to 90 minutes). The system will automatically turn off after the set time.