To program the key fob to a 5877 relay module take the following steps.
Garage door key fob programming.
Programming a liftmaster remote is a walk in the park.
Make sure the key fob is not in high security mode.
For first time programming or if you think the garage door opener has been previously programmed press the two outer buttons on the transmitter for about 20 seconds until the light starts flashing.
How to program a standard liftmaster remote control.
Before you begin to program your remote make sure you have a light bulb installed in your garage door opener.
Just follow these simple steps and you will get your liftmaster remote working with your garage door opener in no time.
On the transmitter hold the button to be programmed down until it begins flashing slowly 20 30 seconds.
To program a new remote into the system hold the learn button until the indicator light blinks on the opener.
The d button is often selected for this purpose.
Select the button to be used.