Chamberlain GAILM User manual

Carton Inventory
Overview
The Gate Access Intercom can be used as either a
primary or secondary door and gate access point. It
can be used to control electric gates, entry doors, or
pedestrian doors with electric strikes. The Intercom
uses a secure digital connection that allows it to
operate without interfering with other Intercom
networks.
The Intercom is compatible with various Liftmaster
Wireless Products.
Setup
1
Intercom
Model GAILM
Gate Access Intercom
Bolt (4)
Washer (4)
Nut (4)
Screw (4)
Allen Wrench
Install 4 AA Alkaline
batteries (not provided).
(Lithium batteries
recommended for colder
environments.)
Install Batteries
Set Dipswitches
Primary Intercom: Switch #1 is set to
the UP position (default).
Secondary Intercom: Switch #1 is set
to the DOWN position.
Gate Control Unit (GCU) (not provided)
NOTE: This step applies only if Intercom is going to
control a gate or electric strike. If not, proceed to
Program Accessories.
Set the Dipswitches on the Intercom to match the
GCU number to be controlled:
Control Dipswitch Dipswitch
Gate # #1 #2
1 DOWN DOWN
2 UP DOWN
3 DOWN UP
Refer to GCU manual for GCU Dipswitch settings.
Step 2: Install 4 AA Alkaline
batteries (not provided). (Lithium
batteries recommended for colder
environments.)
Step 1: Remove GCU cover.
Step 3: Press the Learn button on
the GCU for one second. The LED
will light for 20 seconds.
Program Intercom to GCU
Step 4: Within 20 seconds, press
and hold the Learn button for 10
seconds.
The Intercom will beep and the GCU will
cycle the relay and flash 3 times indicating
programming is successful.
®
NOTE: If there is already an existing receiver proceed
to Pre-Installed LiftMaster Receiver section.
NOTE: If there is already an existing receiver proceed
to Pre-Installed LiftMaster Receiver.

Program Accessories
2
Telephone Interface Unit (OTIU)
NOTE: If the Intercom is set as the Secondary
Intercom, there is no need to program it to any
accessory.
To clear the memory on the OTIU, dial “**#8” on the
telephone connected to the OTIU. A beep will be
heard.
Step 1: On the phone connected to the OTIU, press
“**07” after hearing the dial tone. Listen for a double
beep. Hang up and Learn LED will flash for 15
seconds.
Step 2: Within 15 seconds, press and release the
Learn button on the Intercom.
The OTIU will ring the telephone and Caller ID will
display “Unit Learned”.
Refer to OTIU manual for more details.
To clear Portable Intercom memory, press and hold
Learn button until a beep is heard.
Step 1: Press and hold the Learn button on the
Intercom until a beep is heard.
Step 2: Within 15 seconds, press and release the
Learn button on the Portable Intercom.
Intercom will beep indicating programming is
successful.
Program any additional intercoms to the Portable
Intercom that has already been programmed.
Refer to Portable Intercom manual for more details.
To clear Flush Mount Intercom memory, press and
hold both buttons. Two beeps will be heard and the
channel lights will begin to cycle. Continue to hold
until a third beep is heard (about 15 seconds).
Step 1: Press and hold the Learn button on the
Intercom until a beep is heard.
Step 2: Within 20 seconds, press and hold both
buttons on the Flush Mount Intercom for 3 seconds.
The LEDs will flash.
Intercom will beep indicating programming is
successful.
Program any additional intercoms to the Flush Mount
Intercom that has already been programmed.
Pre-Installed Liftmaster
Receiver
Step 1: Pry open the front
panel of the receiver case
with a coin or a
screwdriver.
Step 2: Set Dipswitch #1 to
the UP position on the
Intercom.
Step 3: Press and release the
Learn button on the receiver. The
Indicator Light will light for 30 seconds indicating that
receiver is in Learn Mode.
Step 4: Within 30 seconds, press and release the
Learn button on the Intercom for 10 seconds.
Repeat Steps 2-4 for each remote, or control device
that will be used to access the Liftmaster door or gate
operator.
Program
Erase All Control Codes
Press and hold the Learn button on the receiver until
the Indicator Light turns off indicating that the receiver
memory is clear (about 6 seconds).
Indicator Light
Learn Button
Flush Mount Intercom
Portable Intercom

3
Operation
Mount Intercom
Step 1
Choose mounting location for Intercom. Remove the
back panel and attach it to a solid surface or post.
Mount the Intercom onto the back panel with screws.
Tighten screws with Allen wrench.
Step 2
It is recommended that the Intercom be mounted to a
Gooseneck post or non-metallic surface.
NOTE: Metal surfaces can shorten the range of the
Intercom. If mounting on a metal surface and long
range is required, use a non-metallic spacer to move
the Intercom away from the metal surface.
The Intercom is waterproof so that rain or high
humidity will not effect it. However, do not mount
Intercom in the direct path of a sprinkler system as
the Intercom’s life can be reduced.
Battery: The AA batteries (not provided) will last up to
two years depending on use (Lithium batteries
recommended for colder environments.) If batteries
are low, the intercom will emit a tone every ten
minutes.
If used with the OTIU, the OTIU will ring the
telephone and display Caller ID message of
GAPLM low battery after a call from the gate is made.
Volume: To increase the speaker
volume, set Dipswitch #4 to the UP
position.
Sensitivity: To increase microphone
sensitivity, set Dipswitch #3 to the UP
position.
Clear Memory: Set Dipswitch #1 to
the DOWN position (secondary
device mode). Press and hold the
Learn button for 15 seconds, during
this time the Intercom may beep (once
or consecutively). Continue to hold until
a long beep is heard.
Program Secondary Intercom
NOTE: This step applies only if there is a Secondary
Intercom. If not, proceed to Mount Intercom.
Step 1: Set Dipswitch #1 to the DOWN position on
the Secondary Intercom.
Step 2: Press the Learn button on the Primary
Intercom.
Step 3: Within 15 seconds, press the Learn button on
the Secondary Intercom.
Intercom will beep indicating programming is
successful. Secondary Intercom is now connected to
the whole network.
Gate Access Panel (GAPLM)
Step 1: Set Dipswitch #1 to the DOWN position on
the Secondary Intercom.
Step 2: Press the Learn button on the Secondary
Intercom.
Step 3: Within 20 seconds enter Master PIN Number
on GAPLM.
Step 4: Press “05” and GAPLM will beep indicating
programming is successful.

© 2008, The Chamberlain Group Inc.
114A3528B All Rights Reserved
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.
FOR TECHNICAL SUPPORT DIAL OUR TOLL FREE NUMBER:
1-800-528-2806
www.liftmaster.com
Troubleshooting
When it gets cold, Intercom does not function.
In this case, use AA Photo Lithium batteries, which
are 1.5V each. They will also extend battery life.
Intercom is not getting expected transmission
range.
Metal surfaces can shorten the range of the Intercom.
If mounting on a metal surface and long range is
required, use a non-metallic spacer to move the
Intercom away from the metal surface.
When used in buildings with stucco or cement walls,
the range is greatly reduced. Repeaters can be used
close to the building to solve this problem.
Repeaters can also be used if there is a 900 Mhz
noise source nearby that is affecting the range.
When using with Repeaters, the sound is not
clear.
Ensure that the Repeaters are properly programmed.
To test, remove the batteries from one Repeater. If
the remaining Repeater is working, switch the
batteries and test the other Repeater. If one of the
Repeaters does not work, it means if has not been
programmed. Both Repeaters must be programmed
for the system to work.
Intercom is too loud/not loud enough.
Adjust Dipswitch #4 as explained in the Operation
section.
Intercom is too sensitive/not sensitive enough.
Adjust Dipswitch #3 as explained in the Operation
section.