SYNCHRONISING LIFT MASTER ROLLING CODE REMOTE CONTROLS
The Lift Master remote control can only be synchronised directly on the receiver.
Direct synchronisation procedure on the receiver
1. Press the button on the remote control and hold.
2. Press and release the Learn button for channel A on the receiver.
3. The control LED will flash once.
4. Release the remote control button.
If you release the remote control button before the control LED flashes the receiver will not accept the code.
Repeat this procedure for any other devices you wish to add.
If you are using a second door, select another button on the remote control and repeat the steps for channel B.