See also:

Calls with multiple participants
General information You can switch between calls or connect two calls to a single conference call. These functions must be supported by the mobile phone and service provider. Accepting a call ...

Replacing the batteries
No rechargeable batteries Do not use rechargeable batteries, as damage may result from the substances in the batteries. 1. Remove the cover. Press on the cover, arrow 1, and push forward, ...

Switching on/off
Press the button. On: the LED lights up. Off: the LED goes out. The system can issue warnings at speeds above approx. 40 mph/65 km/h. The state is stored for the remote control currentl ...