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Listen Technologies LA-122 - page 1
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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 satised. That’s why we independently certify them to the highest quality standards and back them with a ...
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Listen Technologies LA-122 - page 4
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Listen Technologies LA-122 - page 5
1 Specications Table of Contents Package Contents Setup Instructions Information Package Contents 3 Architectural Specications 4 Specications 4 Setup Instructions 5 Dipole Antenna Mounting Options 8 Monopole Antenna Mounting Options 12 Optional Accessories 15 Troubleshooting 16 Compliance Notice/ FCC Statement 17 Warranty/ Contacting Liste ...
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3 Package Contents LA-122 Package Contents 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 LA-390 RG8/50 Ohm Low Loss Preassembled Cable LA-391 RG58/50 Ohm Preassembled Cable Listen Part Number LA-122 Universal Remote Antenna LA-122 Contents • Wall/Ele ...
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Listen Technologies LA-122 - page 8
4 Specications LA-122 Specications Architectural Specications 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 elec ...
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Listen Technologies LA-122 - page 9
5 Setup Instructions Important Things to Note Before Starting Your Installation If you plan to use your own coaxial cable instead of the provided cable, you must use cable and connectors rated at 50 ohms. Although cable used for cable TV installations looks similar to this cable, it won’t work with your Listen system. If you need to run cable ove ...
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Listen Technologies LA-122 - page 10
6 Setup Instructions 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. The Ant ...
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Listen Technologies LA-122 - page 11
7 Setup Instructions Important Things to Note Before Starting Selec ting an Antenna Location The location and conguration 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 a ...
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Listen Technologies LA-122 - page 12
8 Setup Instructions Dipole Antenna Mounting Options Mount to an Elec tric al Box in a W all Mount Direc tly to a W all 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). The cover plate has a num ...
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Listen Technologies LA-122 - page 13
9 Setup Instructions Dipole Antenna Mounting Options 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 exible dipole (the oppy wires) in this conguration. Select the correct wires for your conguration (72 MHz or 216 ...
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Listen Technologies LA-122 - page 14
10 Setup Instructions Dipole Antenna Mounting Options 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. The Mounting Plate is ...
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Listen Technologies LA-122 - page 15
11 Setup Instructions Dipole Antenna Mounting Options You have two choices of antenna with the dipole option: the rigid dipole, which has the two extendable arms, or the exible dipole, which has the “oppy” wires with securing rings at the ends. Rigid dipole pieces screw onto the connectors at the top and bottom of the Antenna Module. Flex ...
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Listen Technologies LA-122 - page 16
12 Setup Instructions Monopole Antenna Mounting Options A monopole (single element) antenna may be mounted to a grounded light box or junction box in a ceiling or oor 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 Diagram G a ...
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Listen Technologies LA-122 - page 17
13 Setup Instructions Monopole Antenna Mounting Options 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. The Mounting Bracket is not used in this conguration. Remove the four nuts and s ...
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Listen Technologies LA-122 - page 18
14 Setup Instructions Monopole Antenna Mounting Options Follow the instructions for mounting to a metal equipment rack, orienting the antenna downward rather than upward. See Diagram L Follow the instructions for mounting to a metal equipment rack, however, there are two additional steps: Connect a length of exible antenna (appropriate to the fr ...
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Listen Technologies LA-122 - page 19
15 Information Optional Accessories Cable & Connectors Accessories LA-391 RG-58 50 Ohm Preassembled Coaxial Cable (per ft.) LA-390 RG-8 50 Ohm Preassembled Coaxial Cable (per ft.) LA-127 RG-58 BNC Connector LA-128 RG-8 BNC Connector LA-112 RG-58 50 Ohm Coaxial Cable (per ft.) LA-113 RG-8 50 Ohm Low-Loss Coaxial Cable (per ft.) ...
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16 Information LA-122 Troubleshooting 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 au ...
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17 Information Compliance Notice & FCC Statement Compliance Notice FCC Statement This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipm ...
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Listen Technologies LA-122 - page 22
18 Information Warranty & Contacting Listen Warranty 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 o ...
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Notes ...
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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 fax www.listentech.com Printed in the United States of America © 2008 Listen Technologies Corporation ® All Rights Reserved 011108 ...
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