CHAMBERLAIN" Lift Master PROFESSIONAL Only for use with 315MNz Security +® garage door openers and universal receivers that have a purple “learn” button. instructions are Described and Illustrated Below To Program The Large Push Button or Auxiliary Button To A Garage Door Opener You can use the wireless control panel to control up to two separate garage door openers. Select large push button for the primary opener and use the auxiliary button for the secondary opener. 1.