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:
Interrupting the system
Press the lever up or down, arrow 3: display 1 in
the speedometer changes color
In addition, the system is interrupted:
▷ When the brakes are applied.
▷ When the transmission position ...
External devices
At a glance
...
Adjusting volume
Turn the volume knob during the spoken instruction to select the desired volume.
> The volume remains the same, even if the volume of other audio sources is changed.
> The volume is stored for ...