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. ...

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

Shoulder support
Also supports the back in the shoulder area: ▷ Results in a relaxed seating position. ▷ Reduces strain on the shoulder muscles. ...