Opening and closing: from the outside

See also:

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...

DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purp ...

Replacing the battery
1. Take the integrated key out of the remote control. 2. Push in the catch with the key, arrow 1. 3. Remove the cover of the battery compartment; see arrow 2. 4. Insert a battery of the same ty ...