Configure Channel A(or B) as resistive.(See Section 5. Installation of resistive steering wheel controller).
To check if CarPC JoyCon Exd works properly, short-circuit the two wires of a input channel without
connecting remote controls. If CarPC JoyCon Exd works properly, the red indicator must goes to the
left most side by short-circuit, and returns to the right by open-circuit.
If the red indicator does not move, the CarPC JoyCon Exd is out of order.