The small right switch should be set according to how many code setting switches in your receiver either 9 or 12.
How do you program a garage door opener remote.
You still need to know the manufacturer to make sure the remote works for your garage door and to program the remote.
This video is for liftmaster chamberla.
A garage door opener can only maintain five remotes or four remotes and one keyless entry so if a remote is lost you might have to erase all codes from your opener before you can add a new one.
Programming multi button digital remotes with internal set switches.
You can program universal garage door openers to open one or two garage doors.
In most cases erasing remotes from the garage door system is accomplished by pressing the learn button until the indicator light stops blinking.
The hand held remote unit is a simple transmitter that activates the door opener s motor to raise or lower the garage door.