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DXT-41
DXT-42
MINI
TRANSMITTERS
Operation Instructions
(760) 438-7000 • FAX (760) 438-7043
USA & Canada (800) 421-1587 & (800) 392-0123
Toll Free FAX (800) 468-1340
www.linearcorp.com
DXT-41 FEATURES
PRESS BUTTON TO SEND
A TRANSMISSION
PRESS BUTTON FOR A
MINIMUM OF 2 SECONDS
BATTERY REPLACEMENT STEP 2
CAREFULLY
REMOVE THE
WARNING:
CIRCUIT BOARD
HOLD BOARD BY
EDGES ONLY
NOTE BATTERY
LOCATIONS
BATTERY TYPE
CR1616, CR1620
OR DL1620
PLACE FRESH BATTERIES
ON SPRING IN HOLDER
The DXT-41, DXT-42 are battery powered, portable, miniature
transmitters designed for use with Linear's DX Format receivers.
Each transmitter can be used in a limitless number of wireless
remote control applications. Pressing a button on the transmitter
BY
sends a digitally coded wireless signal to its companion receiver.
The digital DX code format features over a million possible codes.
The DX transmitters are precoded at the factory to unique codes,
so no field coding is required. The two-button transmitter sends
variations of its preset code depending on which buttons are
pressed. Transmitters can send a signal for up to 10 seconds with
each single-button activation.
For versatility, any transmitter code can be programmed into any
receiver channel. Receivers must be programmed to the
transmitter code before system testing and operation. DX Format
digital receivers are programmed by "Learning" the preset factory
code from the transmitter. Refer to the receiver's instructions for
details on programming.
Each transmitter is powered from two 3-Volt Type 1620 lithium
batteries with an expected battery life of up to 5 years. When the
transmitter's range decreases, or stops functioning, replace the
batteries.
A detachable key-ring is provided for each transmitter. Each
transmitter button has a positive "click" feel. The right button on
the DXT-42 has raised bumps for easy identification.
PRESS LEFT BUTTON TO
SEND A CODE ONE
TRANSMISSION
PRESS BOTH BUTTONS
TO SEND A CODE THREE
TRANSMISSION
BATTERY REPLACEMENT STEP 3
PLACE BOARD
ON ALIGNMENT
POSTS
BOARD
ALIGNMENT
POSTS
SQUEEZE
WARNING: DO NOT
CASE TOGETHER,
INSTALL BATTERIES
FLIP OVER AND
BACKWARDS, UNIT
REPLACE SCREWS
WILL BE DAMAGED!
PLUS (+) SIDE UP
MINUS (-) SIDE UP
This device complies with FCC Part 15. Operation is subject to the
following two conditions: (1) This device may not cause harmful
BE SURE
interference and (2) this device must accept any interference
BATTERY SPRING
received, including interference that may cause undesired operation.
IS IN PLACE
PRODUCT DESCRIPTION
DXT-42 FEATURES
PRESS RIGHT BUTTON
TO SEND A CODE TWO
TRANSMISSION
PRESS BUTTON(S) FOR A
MINIMUM OF 2 SECONDS
CAUTION: DO NOT
TOUCH OR ADJUST
ANY PARTS ON BOARD
HOOK CASE
HALVES
TOGETHER
FCC NOTE:
TRANSMITTER CONFIGURATIONS
DXT-41
The DXT-41 is a one-button, one-code transmitter. Pressing the
button sends the transmitter's code to the receiver. Press the
button for a minimum of two seconds to insure receiver activation.
DXT-42
The DXT-42 is a two-button, three-code transmitter. Each button
sends a unique code. Pressing both buttons together sends code
three. Press button(s) for a minimum of two seconds to insure
receiver activation.
DXT-41
BATTERY REPLACEMENT STEP 1
REMOVE TWO
CASE SCREWS
HOLD CASE TOGETHER
AND FLIP OVER
LINEAR LIMITED WARRANTY
This Linear product is warranted against defects in material and workmanship for twelve
(12) months. The Warranty Expiration Date is labeled on the product. This warranty
extends only to wholesale customers who buy direct from Linear or through Linear's
normal distribution channels. Linear does not warrant this product to consumers.
Consumers should inquire from their selling dealer as to the nature of the dealer's
warranty, if any. There are no obligations or liabilities on the part of Linear
Corporation for consequential damages arising out of or in connection with use
or performance of this product or other indirect damages with respect to loss of
property, revenue, or profit, or cost of removal, installation, or reinstallation. All
implied warranties, including implied warranties for merchantability and implied
warranties for fitness, are valid only until Warranty Expiration Date as labeled on the
product. This Linear Corporation Warranty is in lieu of all other warranties express
or implied.
All products returned for warranty service require a Return Product Authorization
Number (RPA#). Contact Linear Technical Services at 1-800-421-1587 for an RPA# and
other important details.
IMPORTANT !!!
Linear radio controls provide a reliable communications link and fill an important need
in portable wireless signalling. However, there are some limitations which must be
observed.
✶ For U.S. installations only: The radios are required to comply with FCC Rules and
Regulations as Part 15 devices. As such, they have limited transmitter power and
therefore limited range.
✶ A receiver cannot respond to more than one transmitted signal at a time and may
be blocked by radio signals that occur on or near their operating frequencies,
regardless of code settings.
✶ Changes or modifications to the device may void FCC compliance.
✶ Infrequently used radio links should be tested regularly to protect against
undetected interference or fault.
✶ A general knowledge of radio and its vagaries should be gained prior to acting as
a wholesale distributor or dealer, and these facts should be communicated to the
ultimate users.
Copyright © 2001 Linear Corporation
KEY
RING
DXT-42
CAREFULLY
LIFT TOP OF
CASE OFF
211704 B
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