See also:

Random playback
To playback a track/index/file(s) at random, press the “RDM” button for 0.5 second or longer (type C audio)/briefly (type D audio) while the track/index/file is playing. Each time you press ...

Displaying and selecting preset stations (type D audio)
1. Press the button for 1.5 seconds or longer during AM/FM reception to display the radio screen. 2. Operate the “TUNE/TRACK/CH” dial to select the stations. ...

Power switch and volume control
The dial is used for both power (ON/OFF) and volume control. The radio is turned ON and OFF by pushing the dial, and the volume is controlled by turning the dial. ...