Multi-code 4140 User manual

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. Linear
Corporation 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, property, or revenue. Further, Linear Corporation is in no way responsible for
installation of our product, and will assume no costs related to reinstallation or removal.
Linear Corporation’s Warranty is in lieu of all other warrantees, expressed or implied.
PLEASE NOTE
Linear Corporation 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 our radios is within specified limits.
2. As with all manufacturers, Linear Corporation’s radios must accept all signals that they
receive. This may, in rare instances, create difficulty.
3. You should test your entire system occasionally in order to be sure that all components
are working in good order.
4. Linear Corporation’s dealers can provide you with information regarding the use of our
radio controls, and can provide valuable installation and operation information, when
requested.
CAUTION:
Any changes or modification in intentional or unintentional radiators which
are not expressly approved by Linear Corporation could void the user’s authority to
operate this equipment. This applies to intentional and unintentional radiators certified per
part 15 of the F.C.C. rules and regulations.
LINEAR CORPORATION
2055 Corte del Nogal •Carlsbad, CA 92009
Copyright © 1999 Linear Corporation 215642 B
INSTALLATION INSTRUCTIONS
MODEL 4140 FOUR CHANNEL TRANSMITTER
Congratulations! You have just purchased a MULTI-CODE Digital Transmitter, which we
believe to be the finest product of its kind an the market. With little care this transmitter
should provide you with many years of excellent service. Please take a moment to read the
following instructions and you will find that setting your now transmitter will be quite an
easy matter.
ACCESSING THE CODE SWITCH
On the model 4140 the entire front lower half of the transmitter is removable by inserting a
small coin in the slot provided with a twisting motion. Once opened you will have access
to both code switches and the battery compartment.
CODING
Before placing your transmitter into service, we urge you to set your codes, in order not to
interfere with neighboring systems, and to provide security for your own system. You will
note that the model 4140 transmitter has two code switches
(see figure 1)
. We strongly urge
that several coding schemes be avoided: ALL ON; ALL OFF; 2, 4, 6, 8, 10, ON; 1, 3, 5, 7, 9,
ON. These positions are similar to our or other manufacturer’s test positions, or are
frequently used.
INSTR,INSTL,MC4140,4CH,TX
LINEAR P/N: 215642 B
INK: BLACK
MATERIAL: 20 LB. MEAD BOND
SIZE: 9.000" x 3.500"
SCALE: 1-1
SIDE 1 OF 2
®

TO SET YOUR TRANSMITTER AND RECEIVERS:
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 figure 2 for side A and B transmitter code switch locations).
Receiver 2 - As you did in the procedure for Receiver 1, set your receiver code switch
positions 1 -9 to match transmitter side A code switch positions 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 9 & 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
thereceivertotheon (closed) position(Note: the 10th position switch on the transmitter
side B has previously been set to the off (open) position in the above step).
IF YOU ARE USING TWO MULTI-CODE 3021 OR 3028 TWO CHANNEL RECEIVERS:
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 (see figure 2 for side A and B transmitter code switch locations).
Receiver Channel 2 - Your receiver and transmitter side A code switch positions have
previously been set in the above step. Pushbutton 2 on your transmitter will match Channel
2 on your #1 two channel 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 two channel receiver.
Once your codes have been set. check the operation and replace the lower cover.
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 on the back of the
transmitter until the small dimples fit into the holes in the clip.
WARRANTY
ALL MULTI-CODE door related products carry a eighteen (18) month warranty against
defects in workmanship or material. This warranty begins at the date of manufacture, for
eighteen months. Linear Corporation warrantees our product only to our authorized
INSTR,INSTL,MC4140,4CH,TX
LINEAR P/N: 215642 B
INK: BLACK
MATERIAL: 20 LB. MEAD BOND
SIZE: 9.000" x 3.500"
SCALE: 1-1
SIDE 2 OF 2
Figure 1
CODE SWITCH
CODE SWITCH
SIDE A
CODE SWITCH
SIDE B
Figure 2