16. Aug. 2017 Download English/French Manual Download Spanish Manual. 19 Apr 2019 The keen tech universal garage door opener remote has improved the Liftmaster 371LM Compatible Purple Program Button Garage Door The instructions were easy to follow. The remote control and the garage door opener synch immediately. Liftmaster, January 4, 2017. Verified purchaser. 61 LiftMaster 893LM 3-Button Garage Door Opener Remote Control, Dark Gray Style Garage Door Opener Remote Transmitter 81LM 371LM 373LM 891LM11. Sept. 2019 Press and hold the button on the remote control that you wish to use. 3. “click”. “click”. Release the button when the garage door opener lights blink or two clicks. View and Download Chamberlain 371LM owner's manual online. 315MHz Single Button Remote Control for use with 315MHz Security+ garage door openers and universal receivers that have a purple “learn” Also for: Liftmaster professional. Get additional access and security with our single-button remote control. Program a single Garage Door Opener or Gate Operator. Safeguard your household 18 Mar 2014 How Do I Program a Liftmaster 371LM Remote. Locate the purple smart button on the back of your Liftmaster garage door opener. The smart