See also:

Switching the split screen on and off
1. Press the button. 2. "Split screen" ...

Switching the reception on/off
1. "Navigation" 2. "Options" Open. 3. "Receive Traffic Info" ...

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Switch over between the display screens. Radio stations or TV channels are grayed out ...