Listen Technologies LA-122 инструкция обслуживания

User ’s Manual LA -122 Universal Remote Antenna Kit Listen T echnologies Corporation 8535 South 700 W est, Suite A Sandy , Utah 84070-2515 USA T elephone: +1.801.233.8992 T oll-Free (USA): 1.800.330.0891 F ax: +1.801.233.8995 E-mail: info@listentech.com V .020603. Listen and the Listen logo are registered trademarks of Listen T echnologies Corpor[...]

LA-122 Universal Antenna Kit Thank you for purchasing this Listen product! If you have any questions or would like to offer suggestions on future Listen products, please contact us at the address shown below . LISTEN TECHNOLOGIES CORPORA TION 8535 South 700 W est, Suite A Sandy , Utah 84070-2515 USA Phone: +1.801.233.8992 USA T oll Free: 1.800.330.[...]

Contents of Kit ............................................................................... page 2 Specifications ................................................................................ page 3 Architectural Specifications .......................................................... page 3 Important Things to Note Before Starting ........[...]

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 over a greater length than 50 feet for 216 MHz applications or greater than 100 fe[...]

LA-122 Universal Antenna Kit LISTEN TECHNOLOGIES CORPORA TION 8535 South 700 West, Suite A Sandy , Utah 84070-2515 USA Phone: +1.801.233.8992 USA T oll Free: 1.800.330.0891 Fax:+1.801.233.8995 e-mail: info@listentech.com The antenna’s pattern is hemispherical, meaning that it has an “active” side and a ground side. The active side directs the[...]

Selecting an Antenna L Selecting an Antenna L Selecting an Antenna L Selecting an Antenna L Selecting an Antenna L ocation ocation ocation ocation ocation The location and configuration of your antenna mount will determine the quality of your signal; therefore, there are some important factors to consider . º Where will the receivers be located? I[...]

LA-122 Universal Antenna Kit LISTEN TECHNOLOGIES CORPORA TION 8535 South 700 West, Suite A Sandy , Utah 84070-2515 USA Phone: +1.801.233.8992 USA T oll Free: 1.800.330.0891 Fax:+1.801.233.8995 e-mail: info@listentech.com Dipole Antenna Mounting Options Mount to an Electrical Box in a W all See Diagram B at right The antenna may be mounted to a sing[...]

Diagram E. A flexible dipole can be mounted in your ceiling or wall as shown here. Although the Mounting Bracket is not shown here , it would be used to secure the Antenna Module to a beam. LA-122 Universal Antenna Kit LISTEN TECHNOLOGIES CORPORA TION 8535 South 700 W est, Suite A Sandy , Utah 84070-2515 USA Phone: +1.801.233.8992 USA T oll Free: 1[...]

Mounting to a Mast or 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. The Mounting Plate is not required, but wil[...]

Connecting the Dipole Antenna Y ou 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. Flex- ible dipole wires are[...]

Monopole Antenna Mounting Options A monopole (single element) antenna may be mounted to a grounded light box or junc- tion box in a ceiling or floor using the Mount - ing Plate and Mounting Bracket. BEFORE ST ARTING, reverse the Antenna Module on the Mounting Bracket, then install the Hex K ep nut on the ground post (see Diagram G at right). The co[...]

Diagram J . A reversed Antenna Module with Ground Plane and Shorting Plate. 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 a[...]

Mounting a Monopole Antenna to a Metal Beam or Metal Ceiling See Diagram K F ollow 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 F ollow the instructions for mounting to a metal equipment rack, however , there are two additional st[...]

T T T T T roubleshooting roubleshooting roubleshooting roubleshooting roubleshooting I’m not hearing anything in my receiver . 1. Mak e 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. 2. Mak e sure your transmitter or stationary receiver has been powered up and se[...]

My signal is strong but it is distorted. 1. Mak e sure your transmitter or stationary receiver is on the same channel as the receivers. 2. Mak e sure you are not too close to the antenna. 3. Lower the level of the audio signal being fed into the transmitter . If you are still having problems after checking the above items, call Listen for help. We [...]

Listen Offers a Limited Lifetime W arranty , Including a P erformance Guarantee. Listen T echnologies Corporation (Listen) warrants its transmitters and receivers (L T -700, L T -800, LR-100, LR -300, LR -400, LR-500, LR-600, etc.) to be free from defects in workmanship and material under normal use and conditions for the useful lifetime of the pro[...]