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. ...

Selecting category (only when connecting iPod®)
When the button is pressed for less than 1.5 seconds, the iPod® menu is displayed. Each time you turn the “TUNE/TRACK/ CH” dial clockwise, the displayed category changes in the following se ...

When “NO USB” is displayed (type D audio)
This message is displayed under the following conditions. - No USB storage devices/iPod® are connected. - A non-connectable USB storage device/ iPod® is connected. Connect a connectable USB s ...