Use the internal plastic shutters or specific dip-switches to mask outer infrared beams if the doorway is narrow. Dip-Switch Configuration
Use the mechanical adjustment screw or click-wheel located next to the optical lens to tilt the safety curtain. prosecure opti combi manual english
: Infrared presence curtain is permanently blocked. Clean the lens or increase the angle away from the door leaf. Use the internal plastic shutters or specific dip-switches