Installation Instructions
TRANSMITTER INSTALLATION
The transmitter is completely self contained, including battery, and can be operated while mounted in the car. It is supplied
with a clip for attaching to the sun visor, if desired. If the clip is used, attach to the case by sliding it into the recess provided
WARRANTY
ALL MULTI-CODE door related products carry an eighteen (18) month warranty against defects in workmanship or material.
This warranty begins at the date of manufacture, for eighteen months. Nortek Security & Control LLC warranties our product
only to our authorized dealers and distributors, and not to the end customer. If you have any questions about our warranty,
please ask your dealer to determine the nature and scope of his warranty. Nortek Security & Control LLC does not assume,
and is not responsible for, any real or consequential damages from claims against the performance of our product, nor is it
liable for any costs related to loss of life, properly, or revenue. Further, Nortek Security & Control LLC is in no way responsible
for installation of our product, and will assume no costs to reinstallation or removal. Nortek Security & Control LLC Warranty
is in lieu of all other warranties, expressed, or implied.
PRINTER’S INSTRUCTIONS:
INSTR,INSTL,MC4140,4 CH,TX - LINEAR P/N : 215642_Rev-CX1 - INK : BLACK - MATERIAL: 20 L B. MEAD BOND - SIZE : 9.000 ” X 3.500 ” - SCALE: 1-1 - SIDE 2 OF 2
PLEASE NOTE
Nortek Security & Control LLC has devoted a great deal of time and research in order to provide the most reliable equipment
possible. Certain limitations must be observed.
(1) MULTI-CODE radio components must conform with FCC Part 15 requirements. For this reason, the range and power of
(2) As with all manufacturers, Nortek Security & Control LLC radios must accept all signals that they receive. This may, in
(3) You should test your entire system occasionally in order to be sure that all components are working in good order.
(4) Nortek Security & Control LLC dealers can provide you with information regarding the use of our radio controls, and can
provide valuable installation and operation information, when requested.
TO SET YOUR TRANSMITTER AND RECEIVER:
Receiver 1 - Set the receiver code switch positions 1-8 to match transmitter side A code switch positions 1-8. Set the 9th
position on the receiver and the transmitter to the on (closed) position. Set the 10th position on the receiver and the transmitter
to the off (open) position (see
).
Receiver 2 - As you did in the procedure for Receiver 1, set your receiver code switch position 1-9 to match transmitter side
A code switch position 1-9. Set 10th position on the receiver to the on (closed) position (Note: The 10th position switch on
the transmitter side A has previously been set to the off (open) position in the above step).
Receiver 3 - Set the receiver code switch positions 1-8 to match transmitter side B code switch positions 1-8. Set the 9th &
10th positions on the receiver and the transmitter side B to the off (open) position.
Receiver 4 - As you did in the procedure for Receiver 3, set your receiver code switch positions 1-9 to match transmitter side
B code switch positions 1-9. Set the 10th position on the receiver to the on (closed) position (Note: the 10 position switch
on the transmitter side B has previously been set to the off (open) position in the above step).
Figure 2
IF YOU ARE USING TWO MULTI-CODE 3021 OR 3028 TWO CHANNEL RECEIVER:
Receiver Channel 1 - Set the receiver code switch positions 1-8 to match transmitter side A code switch positions 1-8. Set
the 9th position on the receiver and transmitter side A to the on (closed) position. Set the 10th position on the transmitter side
A to the off (open) position. Pushbutton 1 on your transmitter will now match Channel 1 on your #1 two channel receiver
(
).
Receiver Channel 2 - Your receiver and transmitter side A code switch positions have previously been set in the above step.
CODE SWITCH
SIDE A
CODE SWITCH
SIDE B
Pushbutton 2 on your transmitter will match Channel 2 on your #1 receiver.
Receiver Channel 3 - Set the receiver code switch positions 1-8 to match transmitter side B code switch positions 1-8. Set
the 9th position on the receiver and transmitter side B to the off (open) position. Set the 10th position on the transmitter side
B to the off (open) position. Pushbutton 3 on your transmitter will now match Channel 1 on your #2 two channel receiver.
Receiver Channel 4 - Your receiver and transmitter side B code switch positions have previously been set in the above step.
Pushbutton 4 on your transmitter will match Channel 2 on your #2 channel receiver.
Once your codes have been set, check the operation and replace the lower cover.