Chamberlain Liftmaster Security+ 974LM Owner's Manual

Model 974LM Security✚
WARNING
To prevent possible SERIOUS INJURY or DEATH from a mov-
ing gate or garage door:
CAUTION
• ALWAYS keep remote controls out of reach of children.
NEVER permit children to operate, or play with remote con-
trol 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
AVERTISSEMENT
moving gate or door.
NOTICE: To comply with FCC and or Industry Canada (IC) rules, adjustment or modifications of
ATTENTION
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.
Instructions are described and illustrated below.
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 Erase All Codes From Motor Unit Memory

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.
4 Button Remote Control
®
OWNER'S MANUAL
The 974LM remote control can activate four separate
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.
All four push buttons work with Security✚
ing an orange "learn" button. The rolling code between
these channels and the receiver changes with each use,
randomly accessing over 100 billion new codes.
As an added feature, the 4th push button 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✚

When Several Remotes operate one device:

To match the 974LM to another CGI manufactured
remote's code (Remote Control X):
1 2 3
9 1 9 1
7 3 7 3
5 5
KG KG
1. Begin by having both the 974LM and
1 2
2. Press and hold the 1st and 4th push
1 2 3
3. While it is in learn mode, hold Remote
KG KG
4. Press and hold the Remote Control X
5. The 4th button is now sending the
1 2 3
KG KG
AVERTISSEMENT
AVERTISSEMENT
® format.
Remote Control X available.
buttons on the 974LM 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.
Control X, another CGI fixed or billion-
code transmitter, back to back with FCC
labels touching as illustrated.
push button as you slowly slide the
remotes across each other until the
974LM indicator light blinks very rapidly,
indicating it has learned the code. (If
Remote Control X is also a 974LM, you
must press and hold its 4th push
button.)
same identical coded signal as Remote
Control X. This code will remain inside
the 974LM until replaced with another
new code by repeating steps 1-4
above, or by resetting to Security✚
WARNING
WARNING
receivers hav-
®
FCC Label
Remote
Control X
.
®
Yellow
Indicator
Light
Yellow
Indicator
Light