Chamberlain Security+ 3900PLD - Manual (Page 28)

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1. Press the “learn button” on light until
LED comes ON.
2. Activate the door using the Single
Button Control Station (or hand-held
remote control or keyless entry, if
programmed).
3. It has learned the code and the light
turns on.
Programming Remote Light (Not Provided)
The garage door operator remote light will need to be programmed to operate with the door operator. Follow the
instructions below to program the light.