LiftMaster 61LM Owners Manual - Page 145

MODEL SERIES 50 AND 51 TRANSMITTER F.C.C. rules prohibit adjustments to or modification of receiver and/or transmitter circuitry except for changing the code setting and replacing the transmitter battery. THERE ARE NO USER SERVICEABLE PARTS. Manufactured under 1 or more of the following U.S. patents RE29.525; 4,037,201; 4,037,201; 4,750,118; 4,806,930 MATCH/CHANGE THE CODE IN TRANSMITTERS _____ SET RECEIVER TO MATCH TRANSMITTER(S) CODE 'SMART' GARAGE DOOR OPENERS WITH RECEIVER CODE BUTTON A GARAGE DOOR OPENERS WITH RECEIVER CODE SWITCHES B 1. Press the RECEIVER Smart Button on the back panel of the opener (illustration A). The indicator light will turn ON. 2. STAND AWAY FROM THE DOOR and press the transmitter push button. The indicator light will turn OFF and the door will move. Receiver and transmitter(s) codes now match and the opener will operate when either wall push button or transmitter push button is pressed. NOTE: If transmitter push button is not pressed within 30 seconds, the indicator light will turn OFF. Begin again at Step 1. 114A1217 1. Locate the receiver code switches in the rear panel of the garage door opener (Illustration B). 2. Hold a transmitter (with code switches visible) alongside the receiver. Set the receiver code switches to match the position of each transmitter switch. For receivers with less code switches than transmitter, set excess transmitter switches to the center (0) position. NOTE: Code settings must be exactly the same in receiver, transmitter and all additional transmitters used to operate the door. Printed in Mexico