NavTool NAVRGB6.0-VI+MBCIRC Installation Manual page 11

User Manual
You do not need to use the push button if only a reverse camera was installed
The reverse camera will automatically display when the vehicle is placed in Reverse.
It will automatically Turn OFF when the vehicle is placed in any other gear and will display the factory screen.
To View Video 2 (Front Camera if Installed)
If no video source is connected you will see a "No Signal" message.
Step 1: Press the push button once to Turn ON the interface. This will display Video 1.
Step 2: Press the push button once to switch from Video 1 source to Video 2 source.
Step 3: Press and Hold the push button for 2 seconds to return to the factory screen.
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