Rosen Multimedia Navigation System Owner's Manual page 25

Mute Audio
Style Menu
Illumination
Illumination Color
Hightlight Color
Background
LED Brightness
Tabs Menu
While reverse the Audio should be mute or not mute.
Illumination On: CPM lights on always, backlight follows the status
of the illumination wire, except if manually set by the user short
pressing the power knob.
Illumination Off: CPM lights off always, backlight follows the status
of the illumination wire, except if manually set by the user short
pressing the power knob.
Illumination Auto: CPM lights always follows the status of the
illumination wire. Display backlight follows the status of the
illumination wire, except if manually set by the user short pressing the
power knob. Manually setting display backlight with power button
does not affect the CPM (key) lights.
Set the LED of panel key color.
Set the highlight of button in every source color.
Set the background wallpaper.
Adjust LED of panel key brightness.