Linear DXT-41, DXT-42 User Manual

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Linear DXT-41, DXT-42 User Manual

DXT-41

 

DXT-42

BY

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

 

BOARD

 

ALIGNMENT

 

POSTS

 

NOTE BATTERY

 

LOCATIONS

BATTERY TYPE

 

CR1616, CR1620

 

OR DL1620

WARNING: DO NOT

 

INSTALL BATTERIES

PLACE FRESH BATTERIES

BACKWARDS, UNIT

WILL BE DAMAGED!

ON SPRING IN HOLDER

 

 

PLUS (+) SIDE UP

 

MINUS (-) SIDE UP

 

BE SURE

 

BATTERY SPRING

 

IS IN PLACE

PRODUCT DESCRIPTION

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 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.

DXT-42 FEATURES

PRESS LEFT BUTTON TO

SEND A CODE ONE

TRANSMISSION

PRESS RIGHT BUTTON

TO SEND A CODE TWO

TRANSMISSION

PRESS BOTH BUTTONS

TO SEND A CODE THREE

TRANSMISSION

PRESS BUTTON(S) FOR A

MINIMUM OF 2 SECONDS

BATTERY REPLACEMENT STEP 3

PLACE BOARD

ON ALIGNMENT

POSTS

SQUEEZE

CASE TOGETHER, FLIP OVER AND REPLACE SCREWS

CAUTION: DO NOT TOUCH OR ADJUST ANY PARTS ON BOARD

HOOK CASE

HALVES

TOGETHER

FCC NOTE:

This device complies with FCC Part 15. Operation is subject to the following two conditions: (1) This device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation.

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.

KEY

RING

DXT-42

DXT-41

BATTERY REPLACEMENT STEP 1

REMOVE TWO

CASE SCREWS

HOLD CASE TOGETHER

AND FLIP OVER

CAREFULLY

LIFT TOP OF

CASE OFF

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

211704 B

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