Chamberlain CG40D 1/2 HP - Manual (Page 35)

*3-Button Remotes
If provided with your garage door opener, the large
button is factory programmed to operate it. Additional
buttons on any Security
✚
®
3-Button remote or mini-
remote can be
programmed to operate
other Security
✚
® garage
door openers.
To Erase All Codes From Motor Unit
Memory
To deactivate any unwanted remote, first erase all
codes:
Press and hold the “learn” button on motor
unit until the learn indicator light goes out
(approximately 6 seconds). All previous
codes are now erased. Reprogram each
remote or keyless entry you wish to use.
1 2 3
1 2
1. Press and release the “learn” button
on the motor unit. The learn indicator
light will glow steadily for 30
seconds.
2. Within 30 seconds, press and hold
the button on the hand-held remote*
that you wish to operate your garage
door.
3. Release the button when the motor
unit lights blink. It has learned the
code. If light bulbs are not installed,
two clicks will be heard.
To Add or Reprogram a Hand-held Remote Control
USING THE “LEARN” BUTTON
2 1
PROGRAMMING
35
Your garage door opener has already been programmed at the factory to operate with your hand-held remote control.
The door will open and close when you press the large push button.
Below are instructions for programming your opener to operate with additional Security
✚
® remote controls.
2 1
NOTICE: If this Security
✚
® garage door opener is operated with a non-rolling code transmitter, the technical measure in
the receiver of the garage door opener, which provides security against code-theft devices, will be circumvented. The
owner of the copyright in the garage door opener does not authorize the purchaser or supplier of the non-rolling code
transmitter to circumvent that technical measure.