See also:

When connecting iPod®
Each time you briefly press the “RPT/ RDM” button, the mode changes in the following sequence. NOTE • The “ALL RPT” indication refers to the repeat playback of all indexes in the entire iPod®. ...

Specifications
These specifications are subject to change without notice. ...

PTY (Program type) group tuning (only FM reception)
Press the “PTY/CAT” button to change to the PTY selection mode. At this time, the PTY group that you are currently listening to will be displayed for 10 seconds. In PTY selection mode, “PTY SEL” ...