See also:

Replacing the air cleaner element
Replace the air cleaner element according to the maintenance schedule in the “Warranty and Maintenance Booklet”. Under extremely dusty conditions, replace it more frequently. It is recommended ...

Display selection
If you press the “TEXT” button during playback, the indication will change to the next one in the following sequence. For CD-DA: ...

When “No song” is displayed (type D audio)
This message is displayed when no playable audio files are in the connected USB storage device/iPod®. Connect a USB storage device/iPod® that has playable audio files stored in it. ...