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:
Units of measure
Setting the units of measure
To set the units for fuel consumption, route/distance
and temperature:
1. "Settings"
2. "Language/Units"
3. Select the desired menu item.
...
Buttons at a glance
Buttons at a glance
1 System on/off, interrupt
2 Resume speed
3 Store speed
4 Reduce distance
5 Store, maintain/change speed
6 Increase distance ...
Adjusting the volume
Turn the knob during an announcement.
The volume remains constant even if the
volume of other audio sources is changed.
The volume is stored for the remote control
currently in use.
Not ...