See also:

Malfunction
HDC is temporarily unavailable in the following situations due to a high brake temperature: ▷ The LED in the button and the display HDC go out during HDC operation. ▷ The LED in the ...

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

Deleting all stored programs
Press the two outer memory buttons for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually ...