See also:

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. ...

System limits
Be alert Due to system limitations, warnings may be not be issued at all, or may be issued late or improperly. Therefore, always be alert and ready to intervene; otherwise, there is the danger ...

Selecting the distance
Selecting the distance ▷ Press the rocker down briefly: Increase the distance. ▷ Press the rocker up briefly: Decrease the distance. ▷ Press the rocker down briefly: Increase ...