See also:

Channel selection by operating the dial
Turn the “TUNE/TRACK/CH” dial clockwise to select the next channel and turn the “TUNE/TRACK/CH” dial counterclockwise to select the previous channel. ...

Random playback
To playback a track/file(s) at random, press the following button (random button) while the track/file is playing. *1: For type A, B and C audio, press the button for 0.5 second or longer. * ...

Acc
In this position the electrical accessories (radio, accessory power outlet, etc.) can be used. ...