Roadtrek CS Adventurous Owner's Manual page 122

HOWTO: Cable and TV Reception
119
Speaker Switch
The speaker switch is located in the same cabinet as the
Cable/Antenna switch. You can select Surround, Off, or
Automotive.
In the Surround position, the rear speakers (the speakers above
the bed) will work with the TV/home theatre system. In the Off
position the speakers are off. In the Automotive position, the
speakers are connected to the dash radio.
Rear speaker switch
© 2015 by Roadtrek, Inc.