See also:

Compatible file formats via the USB socket
The following audio and video files are supported by the system when playing a device connected to the USB socket. ...

Muting
Audio for the rear screens can be muted from the front center control panel. This function can be activated under RSE settings Mute as explained in points 2-4 in the section "Selecting ...

Main instrument panel
Information display and menu controls 1 READ – access to the list of messages and message confirmation. 2 Thumbwheel – browse among menus and options in the list of functions. 3 RESET – reset ...