Buttons at a glance

1. System on/off, interrupt

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 ...