Linear 4120 User Manual

Installation instructions

MODEL 4120 TWO CHANNEL TRANSMITTER

Congratulations! You have just purchased a MULTI-CODE Digital Transmitter,
which we believe to be the fi nest product of its kind on 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 fi nd that setting your
now transmitter will be quite an easy matter.

ACCESSING THE CODE SWITCH
Insert a small coin into the slot located at the bottom end of the transmitter. Twist
the coin and remove the access cover to expose the code switches and battery
compartment.

PRINTER’S INSTRUCTIONS:

INSTR,INSTL,MC4120,2

CH,TX - LINEAR P/N: 214881 B - INK: BLACK - MATERIAL: 20 LB. MEAD BOND - SIZE: 9.000” X 3.500” - SCALE: 1-1 - SIDE 1 OF 2

INSTALLATION INSTRUCTIONS

PLEASE NOTE
Linear 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 our radios is within specifi ed limits.

(2) As with all manufacturers, Linear LLC radios must accept all signals that they

receive. This may, in rare instances, create diffi culty.

(3) You should test your entire system occasionally in order to be sure that all

components areworking in good order.

(4) Linear LLC 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 modifi cations in intentional or unintentional radiators
which are not expressly approved by LINEAR LLC could void the user’s authority
to operate this equipment. This applies to intentional and unintentional radiators
certifi ed per Part 15 of the F.C.C. rules and regulations.

LINEAR LLC

(800) 421-1587 • (760) 438-7000

www.linearcorp.com

214881 B