Chamberlain LiftMaster Security+ 327LM User manual
To deactivate any unwanted remote, first erase all codes:
Press and the hold “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.
Model 372LM Security✚®2-Button Remote Control
The 372LM remote control can activate two separate
315MHz residential or commercial garage door openers
and/or gate openers. The instructions for programming
garage door openers are illustrated below. Please refer to
the original receiver programming for commercial and gate
products.
Both push buttons are factory programmed to work with
315MHz Security✚®receivers having a purple “learn”
button. The rolling code between these buttons and the
receiver changes with each use, randomly accessing over
100 billion new codes.
As an added feature, the push button on the right is
capable of learning or being trained to duplicate or match
another CGI manufactured fixed code or billion-code
remote. This feature is normally used when several
remotes are required to operate one fixed code device
such as a gate opener or commercial dock door. In this
case, the code transmitted to the receiver remains
constant or fixed, not using the Security✚®format.
NOTE: The push button on the left cannot be changed
from Security
✚
®, only the right button is trainable.
KG KG
1
3
9
7
5
1
3
9
7
5
123
12
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 light blink. It has learned the
code. If light bulbs are not installed,
two clicks will be heard.
23
1
KG KG
Instructions are described and illustrated below.
Figure 1
Right
Push Button
(Multi-use)
23
1
KG KG
NOTICE: To comply with FCC and or Industry Canada rules (IC), adjustment or modifications of this
receiver and/or transmitter are prohibited, except for changing the code setting or replacing the
battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired operation.
To prevent possible SERIOUS INJURY or DEATH from a moving gate
or garage door:
• ALWAYS keep remote controls out of reach of children. NEVER
permit children to operate, or play with remote control
transmitters.
• Activate gate or door ONLY when it can be seen clearly, is properly
adjusted, and there are no obstructions to door travel.
• ALWAYS keep gate or garage door in sight until completely closed.
NEVER permit anyone to cross path of moving gate or door.
WARNING
CAUTION
WARNING
WARNING
ATTENTION
AVERTISSEMENT AVERTISSEMENT
AVERTISSEMENT
To Erase All Codes From Motor Unit Memory
1
© 2005, The Chamberlain Group, Inc.
114A3093 All Rights Reserved Printed in Mexico
Replacement Parts
3V2032 Lithium battery (2 required) . . . . . . . . . . .10A20
Visor clip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29B137
FOR SERVICE DIAL OUR TOLL FREE NUMBER:
US: 1-800-528-2817
CANADA: 1-800-654-4736
1. Begin by having both the 372LM and Remote Control X
available.
2. Press and hold both buttons
on the 372LM until the yellow
indicator light, visible on the
bottom through a small hole,
begins to blink. It will blink for
30 seconds; during this time it
is in the learn or training
mode, and the buttons can be
released.
3. While it is in learn mode, hold
Remote Control X, another
CGI fixed or billion-code
transmitter, back to back with
FCC labels touching as
illustrated.
4. Press and hold the Remote
Control X push button as you
slowly slide the remotes
across each other until the
372LM indicator light blinks
very rapidly, indicating it has
learned the code. (If Remote
Control X is also a 372LM,
you must press and hold its
right push button.)
5. The right button is now
sending the same identical
coded signal as Remote
Control X. This code will
remain inside the 372LM until
replaced with another new
code by repeating steps 1-4 above, or by resetting to
Security✚®.
When Several Remotes operate one device:
To match the 372LM to another 315MHz CGI
manufactured remote’s code (Remote Control X):
FCC Label
Remote Control X
Yellow
Indicator
Light
Resetting the right push button
back to Security✚®as follows.
Push and hold both buttons while
observing the small yellow indicator light.
Hold both buttons for ten seconds until
the yellow indicator light stops blinking.
The remote has defaulted to one of six
randomly preprogrammed Security✚®
settings.
The Remote Control Batteries
The lithium batteries should
produce power for up to 5 years.
To replace, pry open case with
visor clip or screwdriver, as
shown. Insert batteries positive
side up (+).
Dispose of old batteries properly.
Yellow
Indicator
Light
To prevent possible SERIOUS INJURY or DEATH:
• NEVER allow small children near batteries.
• If battery is swallowed, immediately notify doctor.
WARNING
CAUTION
WARNING
WARNING
ATTENTION
AVERTISSEMENT AVERTISSEMENT
AVERTISSEMENT
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