LiftMaster 835LM 835LM Perimeter Alert Manual - Page 2

Assembly & Programming 1 Attach PIR Motion Sensor box to mounting plate with large silver screw. Tighten screw until PIR Motion Sensor stays in place when repositioned. 2 Install 4 AA Alkaline batteries. (Lithium batteries recommended for colder environments.) LED light will flash. SWITCH SETTINGS Antenna PIR Motion Sensor Switch #1 Learn Button Switch #2 SWITCH #1: OFF 15 Feet Detection Range ON 30 Feet Detection Range (Default) SWITCH #2: OFF Low Sensitivity ON High Sensitivity (Default) OFF 12 ON NOTE: To avoid unwanted detection of small animals move Switch #2 to OFF. 3 Plug in the Base Station. Adhere rubber pads to the bottom of the base. AC Adapter Input 4 AA batteries are optional in case of a power failure. OPTIONAL 4 A Ensure Base Station and PIR Motion Sensor are in close proximity to each other. Press and release Learn Button on Base Station. Buzzer will sound. B Within 60 seconds, press the Learn Button on the inside of the PIR Motion Sensor. LED light will illuminate and Base Station will buzz. Learn Button Learn Button 5 Insert battery pack facing away from circuit board and fasten cover with the smallest screws (provided). NOTE: Ensure the batteries do not touch the circuit board and the antenna and battery wires are not pinched. 6 Test PIR Motion Sensor by waving hand in front of sensor. LED light should flash and the Base Station will buzz X number of times indicating which sensor has been activated. PIR MOTION SENSOR INSTALLATION 7 Mount PIR Motion Sensor horizontally on solid surface a few feet off the ground and within 1/2 mile of Base Station (rotate sensor to access screw holes). Unit should be able to swivel as needed. Attach sun/rain shield. NOTE: Keep PIR Motion Sensor antenna away from metal objects. Do not mount PIR Motion Sensor in direct sunlight, near moving tree branches, or in the path of a sprinkler system. Vehicle Alert Installation: For cars, the best mounting position is about 4 feet high, between 10-20 feet back, and angled to see the back of car after passing the sensor. 10' - 20' 3' - 5' 2