See also:

Initiating an Emergency Request
1. Press the cover briefly to open it. 2. Press the SOS button until the LED in the button lights up. The LED lights up: an Emergency Request was initiated. If the situation allows, wait ...

External devices
At a glance ...

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 ...