LiftMaster 61LM Owners Manual - Page 150

Replacement Instructions

Page 150 highlights

REPLACEMENT INSTRUCTIONS for transmitters pictured below RECEIVER If you have a transmitter as pictured in "Figure B" above, follow these steps to match all transmitters and receivers for correct operation. 1. Figures B&C Code switches numbered 10, 11 and 12 must be set to the off position, or jumper wires 10, 11 and 12 must be cut in the original transmitter and receiver. 2. Figure A To match the code in transmitters having 3 position (+, 0,-) code switches, the "+" code equals "on" (jumper wire present) and "0" code equals "off" (no jumper present). NOTE: THE "-" (MINUS) POSITION IS NOT USED. 2 POSITION ON/OFF Older style transmitters (used in Fig. B and C above) 3 POSITION +/0/New style transmitters (used in Fig. A above) Extra switches must be set in the OFF position 114A1316B ©1991, The Chamberlain Group, Inc. All rights reserved DO Not Use MINUS Position Printed in Mexico

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REPLACEMENT INSTRUCTIONS
for transmitters pictured below
RECEIVER
If you have a transmitter as pictured in “Figure B” above, follow these steps to match all transmitters and receivers for
correct operation.
1. Figures B&C
Code switches numbered 10, 11 and 12 must be set to the off position, or jumper wires 10, 11 and
12 must be cut in the original transmitter and receiver.
2. Figure A
To match the code in transmitters having 3 position (+, 0,-) code switches, the “+” code equals “on”
(jumper wire present) and “0” code equals “off” (no jumper present).
NOTE:
THE “-” (MINUS) POSITION IS NOT USED.
2 POSITION ON/OFF
Older style transmitters
(used in Fig. B and C above)
3 POSITION +/0/-
New style transmitters
(used in Fig. A above)
DO Not Use
MINUS Position
Extra switches must be set
in the OFF position
1991, The Chamberlain Group, Inc.
114A1316B
All rights reserved
Printed in Mexico