See also:

System setup
You can select the following menus only by operating the “TUNE/TRACK/CH” dial. ...

BEEP setting
A beep sound (operation sound) that occurs when the audio system is operated can be set ON/OFF. The initial setting is ON. ...

SCAN (only when connecting USB storage device)
Scan is operated in the same way a CD is played. For details, refer to “Scan (type A, B and C audio)”. NOTE When an iPod® is connected, you cannot select the SCAN mode. ...