See also:

Malfunction
The warning lamp comes on when the system has failed. A message appears on the Control Display. More information ...

Displaying the button assignment
Use a finger to touch the buttons. Do not wear gloves or use objects. The key assignment is displayed at the top edge of the screen. ▷ To display short information: touch the button. ...

General information
The channels are offered in predefined packages. The packages must be enabled by telephone. ...