Follow the steps below to look up identification numbers of motor driver units.
Hold down [MODE]+[DISP]+[Dial] simultaneously
Turn the dial clockwise to scroll:
SPEED > STEP > DR MODE > DR ASSIGN
Press the dial to see the ID number of the front motor driver (DR 1).
The display shows "DR 1" and the ID number of the front motor driver.
Turn the dial clockwise 1 step to see the ID number of the rear motor driver (DR 2).
The display shows "DR 2" and the ID number of the rear motor driver.
Press [MODE] twice to return to the initial display.