Lumbar support
The curvature of the seat backrest can be adjusted in such a way that it supports the lumbar region of the spine. The lower back and the spine are supported for upright posture.

- Press the front/rear section of the switch. The curvature is increased/decreased.
- Press the upper/lower section of the switch. The curvature is shifted up/down.
See also:
Switching the microphone to mute
When a call is active, the microphone can be
muted.
1. "Telephone"
2. "Active calls"
3.
"Microphone mute"
A microphone that has been switched to mute
is autom ...
Display the calendar
Appointments during the last 20 days and the
next 50 days can be displayed.
1. "Office"
2. "Calendar"
The appointments on the current day are
displayed.
1. Select the date. ...
Entering a phone number
Dialing a number
1. "Telephone"
2. "Dial number"
3. Select the digits individually.
4. Select the
symbol.
Dialing a number
The phone number can also be entered by voice. ...
