PROGRAMMING THE TRANSMITTER STEP 1 SET FREQUENCY SWITCH Thank you for your purchase of the Skyline garage door 1a. Locate frequency remote control, Mode! 39. There are 3 different steps you Switch on the top of need io setup in order 1o use His universal garage door the transmitter: demote control ta Separate your existing garage door (See diagram A) opener. Thea 3 steps are: 1) Frequency switch ~ select the correct frequency according to the brand of your existing garage dao opener. Refer fo Step 1.