See also:

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 ...

Office information
The number of unread messages and active tasks as well as the upcoming appointments are displayed. 1. "Office" 2. "Current office" 3. Select the desired entry to display det ...

Indicator/warning lamps
The indicator and warning lamps can light up in a variety of combinations and colors. Several of the lamps are checked for proper functioning and light up temporarily when the engine is start ...