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Summary of Contents for Listen Technologies UNIVERSAL ANTENNA KIT LA-122
- Page 3 Dear Valued Customer, Thank you for choosing Listen! All of us at Listen are dedicated to providing you with the highest quality products available. We take great pride in their outstanding performance because we care that you are completely satisfied. That’s why we independently certify them to the highest quality standards and back them with a limited lifetime guarantee.
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Page 5: Table Of Contents
LA-122 Table of Contents Package Contents Architectural Specifications Specifications Setup Instructions Dipole Antenna Mounting Options Monopole Antenna Mounting Options Optional Accessories Troubleshooting Compliance Notice/ FCC Statement Warranty/ Contacting Listen Notes... -
Page 7: Package Contents
Mounting Plate Flexible Antennas 72 MHz Hex Kep Nut Fiber Washer Listen Part Number LA-122 Universal Remote Antenna Optional Accessories LA-127 RG58 BNC Cable Connector LA-128 RG8 BNC Cable Connector LA-112 RG58 Coaxial Cable LA-113 RG8 Low Loss Coaxial Cable... -
Page 8: Architectural Specifications
LA-122 Specifications The Universal Antenna Kit shall be capable of operating from 72.0 to 76.0 MHz with a center frequency of 73.5 MHz and from 216.0 to 217.0 MHz with a center frequency of 216.5 MHz. The kit shall include the necessary mounting hardware to mount the antenna on a single or dual electrical box, directly on a wall, on a ceiling electrical box or on a flat surface. -
Page 9: Setup Instructions
Technologies. If items were damaged in shipment, contact your carrier immediately and retain all packaging for inspection by your carrier. Listen is not responsible for shipping damage. Listen Technologies Corporation 14912 Heritagecrest Way Salt Lake City, Utah 84065-4818 U.S.A. 801.233.8992 800.330.0891... - Page 10 Important Things to Note Before Starting Antenna Orientation The antenna’s pattern is hemispherical, meaning that it has an “active” side and a ground side. The active side directs the signal toward the receivers, so it is essential that the active side be oriented toward the area where the receivers will be used.
- Page 11 Important Things to Note Before Starting Selecting an Antenna Location The location and configuration of your antenna mount will determine the quality of your signal; therefore, there are some important factors to consider. • Where will the receivers be located? Ideally, the antenna will be centrally positioned above that area.
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Page 12: Dipole Antenna Mounting Options
Dipole Antenna Mounting Options Mount to an Electrical Box in a Wall See Diagram B at right The antenna may be mounted to a single or dual gang duplex box, or to a square or hexagonal junction box. Attach the kit’s Mounting Plate to the electrical box (see photo, right). - Page 13 Dipole Antenna Mounting Options Mounting Inside a Wall or Ceiling See Diagrams D and E The antenna may be hidden inside a wall or ceiling. IMPORTANT: Do not install the antenna inside a metal wall or ceiling, as this would obstruct the signal. You will use a flexible dipole (the floppy wires) in this configuration.
- Page 14 Dipole Antenna Mounting Options Mounting to a Mast of Conduit The antenna may be mounted to a mast, pole or section of vertical conduit. A mast made of non-conductive material works best; however, if you must use a metal mast, be sure to orient the antenna mount so the mast is not between the antenna and the designated receiving area.
- Page 15 Dipole Antenna Mounting Options Connecting the Dipole Antenna You have two choices of antenna with the dipole option: the rigid dipole, which has the two extendable arms, or the flexible dipole, which has the “floppy” wires with securing rings at the ends. Rigid dipole pieces screw onto the connectors at the top and bottom of the Antenna Module.
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Page 16: Monopole Antenna Mounting Options
Monopole Antenna Mounting Options Mount to a Grounded Electrical Box, Ceiling or A monopole (single element) antenna may be mounted to a grounded light box or junction box in a ceiling or floor using the Mounting Plate and Mounting Bracket. BEFORE STARTING, reverse the Antenna Module on the Mounting Bracket, then install the Hex Kep nut on the ground post (see... - Page 17 Monopole Antenna Mounting Options Mount to a Metal Surface Using the Ground Plane and Shorting Plate See Diagram J It is often convenient to place an antenna on top of a metal equipment rack. In order for the antenna to function properly, it must be secured to the equipment rack using the Grounding Plate and Grounding Base.
- Page 18 Monopole Antenna Mounting Options Mounting a Monopole Antenna to a Metal Beam or Metal Ceiling See Diagram K Follow the instructions for mounting to a metal equipment rack, orienting the antenna downward rather than upward. Mounting a Monopole Antenna to a Non-Conductive Surface See Diagram L Follow the instructions for mounting to a metal...
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Page 19: Optional Accessories
Optional Accessories Cable & Connectors Accessories LA-112 RG-58 50 Ohm Coaxial Cable (per ft.) LA-128 RG-8 BNC Connector RG-8 50 Ohm Preassembled LA-113 RG-8 50 Ohm Low-Loss Coaxial Cable (per ft.) LA-390 Coaxial Cable (per ft.) LA-127 RG-58 BNC Connector LA-391 RG-58 50 Ohm Preassembled Coaxial Cable (per ft.) -
Page 20: Troubleshooting
LA-122 Troubleshooting I’m not hearing anything in my receiver. Make sure the receiver’s batteries aren’t dead, that it is turned on, set to the right channel, and the volume has been turned up. Make sure your transmitter or stationary receiver has been powered up and set to the right channel, and the desired audio has been applied. -
Page 21: Compliance Notice/ Fcc Statement
This device must be installed by a trained audio professional or certified dealer of Listen. The user can’t make any modifications to the unit without expressed written consent of Listen Technologies Corporation. Any modifications made will void the FCC compliance, Listen warranty and the users authority to operate Listen’s equipment. -
Page 22: Warranty/ Contacting Listen
Warranty & Contacting Listen Listen Technologies Corporation (Listen) warrants its transmitters and receivers (LT-82, LT-700, LT-800, LR-100, LR-42, LR-44, LR-300, LR-400, LR-500, LR-600) to be free from defects in workmanship and material under normal use and conditions for the useful lifetime of the product from date of purchase. -
Page 23: Notes
Notes... - Page 24 Listen Technologies Corporation 14912 Heritagecrest Way Bluffdale, Utah 84065-4818, U.S.A. +1.801.233.8992 +1.800.330.0891 North America +1.801.233.8995 www.listentech.com Printed in the United States of America © 2008 Listen Technologies Corporation ® All Rights Reserved 011108...
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