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 ...

Page (track/folder title) scroll
If you press the “TEXT” button again for at least 0.5 second, the title will be scrolled so you can see all of it. NOTE The display is designed to show titles for up to 30 characters. ...

Precautions against vehicle modification
WARNING To avoid accidental activation of the system or rendering the system inoperative, which may result in serious injury, no modifications should be made to any components or wiring of the SR ...