Traffic bulletins
See also:
Service booklet
Perform maintenance work at the service center,
and record the work in the service booklet.
The entries are proof of regular maintenance. ...
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 automa ...