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Chamberlain LiftMaster 335LM Security+ Owner's Manual page 2

Universal radio control

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MOUNTING RECEIVER ON GARAGE WALL
Fully extend the antenna wire below bottom of case.
Fasten the receiver to an inside garage wall with dry wall
screws provided. A convenient place is alongside the service
door and OUT OF THE REACH OF CHILDREN.
Attach one end of 2-strand wire (not supplied) to receiver
terminals 1 and 2. Connect the other end to the two opener
terminals used for the push button control. Use insulated
staples to secure bell wire between receiver and opener.
Reconnect power to the opener. The receiver push bar should
light. If it doesn't light and the opener has three terminals, use a
third strand of bell wire to connect receiver terminal 3 to the
third opener terminal.
If the receiver push bar still doesn't light, use Transformer
Model 85.
NOTE: With the transformer, use a 2-wire connection only.
Attach wire to receiver terminals 1 and 2 and to the opener
terminals used for push button control. Plug the transformer into
receiver and 120 Volt outlet as shown.
Pry open the front panel of receiver case with a coin or a
screwdriver.
1. Press and hold the remote control push button.
2. Then press and release the "Smart" button on the receiver.
The adjacent indicator light will flash once. Release the
remote control push button.
The opener will now operate when the push button on either
the receiver or the remote control transmitter is pressed.
Repeat Steps 1 and 2 for each remote control that will be
used to operate the garage door opener.
NOTE: If the remote control push button is not held down until the
receiver indicator light flashes, the receiver will not learn the code.
TO ERASE ALL REMOTE CONTROL CODES:
Press and hold the "Smart" button on the receiver panel until the
indicator light turns off (about 6 seconds). All transmitter codes
are now erased. Then follow the steps above to reprogram each
remote control.
TO CHANGE THE BATTERY:
The lithium battery should produce power
for up to 5 years. To replace battery, pry
open case with visor clip or screwdriver,
as shown. Insert battery positive side up.
Dispose of old battery properly.
WARNING
Keep batteries away from small children. If swallowed,
promptly notify doctor.
CAUTION
FOR SERVICE DIAL OUR TOLL-FREE NUMBER:
1-800-528-2817
114A2138C
SET RECEIVER TO MATCH TRANSMITTER(S) CODE
© 2000, The Chamberlain Group, Inc.
All Rights Reserved
Mounting Holes
Universal Radio
WALL
Control (Top)
PUSH
BUTTON
Common
1
Push Button
2
Radio Pwr.
3
#3 Connection
(optional)
OPENER
TRANS
PRIMARY
24v
Model 85
Transformer
To Wall Outlet
Indicator Light
Remote Control
Smart
Push Button
Button
WARNING
WARNING
Printed in Mexico

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Liftmaster 335-2lm security+