NavTool RGB MBCIRC Installation manual - page 7
Testing the Operation
Push button is connected to Yellow wire.
To install camera - connect Orange wire to reverse.
PLEASE NOTE:
Camera and DVD work only in AUDIO MODE
TESTING BASIC RADIO FUNCTIONS
It is recommended to test all the operations before completing the installation
Check all the systems of your vehicle, connected to the radio, including:
Speakers, Navigation and FM Radio
TESTING NAVTOOL OPERATION
Start by pressing AUDIO button
If camera installed, put the car in reverse to check its operation.
To install camera, connect orange wire to reverse.
To check Camera in Motion press push button ones again.
To switch back to Navigation press and hold the push button for three seconds.
If all functions responded correctly – your installation of NavTool RGB MBC-IRC
designed for Mercedes-Benz vehicles was done correctly.