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
See also:
Initiating an Emergency Request
1. Press the cover briefly to open it.
2. Press the SOS button until the LED in the
button lights up.
The LED lights up: an Emergency Request
was initiated.
If the situation allows, wait ...
Malfunction
HDC is temporarily unavailable in the following
situations due to a high brake temperature:
▷ The LED in the button and the display HDC
go out during HDC operation.
▷ The LED in the ...
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 automati ...
