See also:

When “CHECK DISC” is displayed
Press the eject button to unload the discs. Check that the disc is not damaged or scratched, and also check that the disc is inserted correctly. This message may appear when using some CD-RW discs ...

Corrosion protection
Refer to “Corrosion protection”. ...

Scan tuning (SCAN)
Type A and B audio Type C audio If you press the “SCAN” button, the radio will switch to the scan mode. In this mode, the radio scans through the radio band until a station is found. The radio will ...