Match to compatibility list below by locating model number on your existing Remote or Garage Door Opener
Compatible with Openers Merlin 230T. Merlin 430R
Compatible with Remotes Merlin M832, Merlin M842, Merlin M844
HOW TO PROGRAM
Step 1. Locate CODE set button on the panel of drive unit in garage.
Step 2. Press CODE button for one second, the coding indicator will illuminate.
Step 3. Press any one of the remote buttons twice. The indicator will turn off. Your new code is now set.
Now you can test if it is seccessful.