On the picture you can se that it controls Locomotive number 78 (LOC 078).

The speed is 21 out of 28 speed steps. (SP 21).

Direction is Forward (D >).

F1 is OFF , F2 is ON (2 *) , F3 is ON (3 *) and F4 is OFF .

And last Function is ON (F *).

To change the LCD Display, between 1 line or 2 line type , Hold down the '1' key and power up the MC4

To change the Language to Danish , Hold down the '2' key and power up the MC4

To change the Language to German , Hold down the '3' key and power up the MC4

To change the Language to English , Hold down the 'F4' key and power up the MC4

If you use 1 line display , you must put the text on top of the display ( Loc-Speed-Direction-F1 to F4 and old Function).