For the driver, the on-board monitor system represents a central information medium, providing him/her with data in a uniform format which is necessary or of assistance for driving.
The video module is a component part of the on-board monitor system.
The video module 2 contains the TV receiver with video text functions and aerial diversity as well as the changeover stage for video, audio and RGB signals.
The video module is an I/K-bus user and has self-diagnosis capabilities.
The video module controls the LCD screen via RGB lines. Depending on the mode of operation, the sound for voice output of the navigation system (if installed) is switched through to the output of the AF lines to the radio.
If no navigation system is installed, the video module builds up the graphics for the menus on the on-board monitor (user interface).
After ignition ON, the video module automatically recognizes whether a navigation system is a component part of the overall system and responds accordingly.