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 automatically reactivated:
▷ When a new connection is established.
▷ When switching between call parties.
See also:
Adjusting
Danger of burns when screen is folded out
Do not reach behind the screen; otherwise,
there is the danger of getting burned. The
back of the screen can become very hot.
To fold out: pull ...
Correctly adjusted head restraint
A correctly adjusted head restraint reduces the
risk of injury to cervical vertebrae in the event of
an accident.
Adjusting the head restraint
Correctly adjust the head restraints of all
occu ...
Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for
approx. five seconds.
2. "OK" ...