Tone

See also:

Controls at a glance
Controls 1.  Control Display 2.  Controller with buttons You can use the buttons to open the menus directly. The controller can be used to select the menu items and create settings. ...

What to do if...
Information on suitable mobile phones. Appointments, tasks, notes, text messages, or e-mails from the mobile phone are not displayed. ▷ The mobile phone is not capable of the missing funct ...

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. If this occur ...