a) Press and hold SET Button until “1” appears on the display, next press the UP button until “7” appears on the display to enter this function setting then release the button.

b) Press the SET button again. The unit is now in reversal height adjustment mode. And then you will see a figure “0” with flash dot appears on the display.

c) Press UP / Down button once to set the reversal height while closing (0~9).

d) Press UP button to increase , or DOWN button to decrease.

Figure “0” means the door will rebound to the open limit position. Figure “1~9” means the door will rebound to the position of the whole travel. One tenth to Nine tenth of the whole travel etc...

e) Press SET button to confirm the set and it will back to standby status automatically and display “ll”.

NOTE: The reversal height is set on “0” as standard in factory.