-ours always comes on when you push the 'On' main knob.
If you push the 'On' knob to use the 'Camera' function, the radio will
be on while the camera is on - the options if you dont
want to hear it are either turn the 'Volume' knob down
or press the 'Mute' button...
also, when you are in reverse, the rear Camera Audio will come thru
The Turners 2014 Thor Palazzo DP 33.3 35' Bunkhouse
BlueOx, '14 Ford Fiesta, DishHD, KingTailgater2, WifiRanger
50k+miles, 200+ parks, 47 states&Canada provinces, since Aug'14