Center the laser spot in the X-direction on the detector by adjusting the ball-and-socket pins on points 2 and 4 (pull/push principle)When turning out, the laser spot moves in the + X direction, when turning in, in the – X directionCenter the laser spot in the Y-direction on the detector by adjusting the ball-and-socket pins on points 2 and 4 (pull/push principle)If the laser is correctly aligned on the detector, an acoustic signal is emitted and the red LED on the detector lights up.