Manuale d’uso / di manutenzione del prodotto LA-122 del fabbricante Listen Technologies
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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.
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.
Contents of Kit ............................................................................... page 2 Specifications ................................................................................ page 3 Architectural Specifications ................
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.
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.
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 .
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.
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.
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.
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.
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).
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.
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.
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.
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 .
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Listen Technologies LA-122 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Listen Technologies LA-122 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Listen Technologies LA-122 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Listen Technologies LA-122 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Listen Technologies LA-122, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Listen Technologies LA-122.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Listen Technologies LA-122. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Listen Technologies LA-122 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
