Manuale d’uso / di manutenzione del prodotto LR-500 del fabbricante Listen Technologies
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User’s Manual LR-500 Programmable Display Receiver LR-400 Display Receiver LR-300 Receiver Don’t miss a single sound. Listen. 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 (North America): 1.
W elcome to Listen! i Dear V alued Customer , Thank you for choosing Listen! All of us at Listen are dedicated to providing you the highest quality products and prompt, efficient customer care. Our products are manufactured in an ISO-9000 factory that has been independently certified to the highest quality standards.
T able of Contents 1 LR-500 User’ s Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 LR-500 T able of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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3 User’s Manual LR-500 Programmable Display Receiver Don’t miss a single sound. Listen. 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 (North America): 1.800.330.0891 Fax: +1.
4 LR-500 Introduction · LR-500 (72MHz or 216MHz) · W arranty Card · Receiver User Manual LR-500 Package Contents 72 MHz: LR-500-072 216 MHz: LR-500-216 Listen Part Number See pages 70-71.
5 LR-500 T able of Contents Architectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 LR-500 Specifications LR-500 Specifications Architectural Specifications The FM receiver shall be capable of receiving on 57 wide and narrow band channels with a SNR of 80dB or greater . The receiver shall be programmable to electronically lock out unneeded channels.
7 Set Up Controls User Control s Pr ogr amming LCD Displa y LE D Batter y Ty pe Batter y L i fe ( Lis ten ba tter ies) Batte ry C harging (NiMH only) Pow er S uppl y Conne ctor C omplia nce Dime nsio .
8 LR-500 Quick Reference Quick Reference LR-500 Front 3.5mm Input Jack A Listen earpiece or headset connects here. LED - when lit, indicates unit has power . ON/OFF & VOLUME control dial Press and hold both buttons for 5 seconds to enter PROGRAM mode.
9 LR-500 Quick Reference Quick Reference LR-500 Inside Access Door Battery Select Switch - place in NiMH position ONL Y if you are using Nickel Metal Hydride batteries, otherwise, leave it in the Alkaline position. SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF position if needed.
10 LR-500 Quick Reference Quick Reference LR-500 Look & Listen™ Display Dots indicate the relative RF signal strength. Indicates the currently tuned channel Indicates the unit is in PROGRAM mode. T o enter PROGRAM mode, press and hold the UP and DOWN keys until the PGM icon appears in the display .
11 LR-500 Setup Instructions LR-500 Setup Instructions Remove the product Remove outer packaging and plastic cover . Inspect for physical damage. If damage is aparent, please contact Listen T echnologies Corporation technical sup- port for assistance.
12 LR-500 Setup Instructions LR-500 Setup Instructions continued Set SQ switch The SQ switch is inside the battery compartment next to the Battery Select switch. The unit is shipped with SQ in the ON position. T o turn it off, use a small screwdriver or pen to slide the switch to the OFF position (to the right).
13 LR-500 Setup Instructions LR-500 Setup Instructions continued Connect an Earphone or Headset Y our headset or earphone will connect to the jack on the top of the unit. Either mono or stereo connectors may be used with a Listen receiver . Make certain you push the plug all the way into the jack.
14 LR-500 Operation LR-500 Operation Instructions Make Sure the Unit is On Rotate the volume knob counterclockwise with an earphone or headset connected to the unit.
15 LR-500 Operation LR-500 Operation Instructions continued Find an audio transmission using SEEK Another way to find a channel on the LR-500 is to use the SEEK button. When you do this, the Listen receiver looks for the next active channel. Sometimes the unit will mistake interference for a real broadcast signal.
16 LR-500 Programming LR-500 Programming Instructions The LR-500 Display Receiver has some special features not available in the other receivers: you may lock out unwanted channels, and you can adjust the squelch in the unit.
17 LR-500 Squelch LR-500 Squelch Squelch The purpose of squelch is to mute the audio output of your receiver when the signal from the trans- mitter is turned off or is too weak to be received. W ithout squelch you would hear radio noise in your earphone.
18 LR-500 Squelch Squelch Programming T o enter Squelch programming mode · T urn the unit off · Press and hold the seek button; while still holding seek turn the ON/OFF dial to turn the unit on. · Release the seek button when the Listen name disappears and a two digit display is seen.
LR-500 Charging Batteries 19 LR-500 Charging Batteries The LR-500 and all Listen receivers are unique because they have SmartCharge™ chargers built in. When any of these units are connected to an LA-202 wall transformer or dropped into a Listen charging case, NiMH batteries will be charged.
LR-500 Charging Batteries 20 LR-500 Charging Batteries continued During the charge cycle, the red LED on top of the Listen product will flash slowly . When charging is completed, the LED will turn off.
21 LR-500 W all Transformer LR-500 W all T ransfor mer Operation The LR-500 will operate normally when connected to a wall transformer . Use Listen part number LA-202, available from any Listen dealer . Connect the wall transformer to the jack on the side of the LR-500 marked “PWR/CHG” and plug the wall transformer into a grounded AC outlet.
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23 User’s Manual LR-400 Display Receiver Don’t miss a single sound. Listen. 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 (North America): 1.800.330.0891 Fax: +1.801.
24 LR-400 W elcome to Listen! · LR-400 (72MHz or 216MHz) · W arranty Card · Receiver User Manual LR-400 Package Contents 72 MHz: LR-400-072 216 MHz: LR-400-216 Listen Part Number See pages 70-71.
25 LR-400 T able of Contents Architectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26 LR-400 Specifications LR-400 Specifications Architectural Specifications The FM receiver shall be capable of receiving on 57 wide and narrow band channels with a SNR of 80dB or greater . The receiver shall be capable of seeking channels. The device shall have an adjustable squelch.
27 LR-400 Specifications Set Up Controls User Control s Pr ogr amming LCD Displa y LE D Batter y Ty pe Batter y L i fe ( Lis ten ba tter ies) Batte ry C harging (NiMH only) Pow er S uppl y Conne ctor .
28 LR-400 Quick Reference Quick Reference LR-400 Front LED - when lit, indicates unit has power . 3.5mm Input Jack A Listen earpiece or headset connects here. ON/OFF & VOLUME control dial Look & Listen™ Display shows receive level, channel, battery status, and whether a channel is locked.
29 LR-400 Quick Reference Quick Reference LR-400 Inside Access Door Battery Select Switch - place in NiMH position ONL Y if you are using Nickel Metal Hydride batteries, otherwise, leave it in the Alkaline position. SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF position if needed.
30 LR-400 Quick Reference Quick Reference LR-400 Look & Listen™ Display Indicates the currently tuned channel When the padlock is visible, the channel is locked. Press and hold SEEK for 5 seconds to unlock or lock. Dots indicate the relative RF signal strength.
31 LR-400 Setup Instructions LR-400 Setup Instructions Remove the product Remove outer packaging and plastic cover . Inspect for physical damage. If damage is aparent, please contact Listen T echnologies Corporation technical support for assistance. See page 69 for contact information.
32 LR-400 Setup Instructions LR-400 Setup Instructions continued Set SQ switch The SQ switch is inside the battery compartment next to the Battery Select switch. The unit is shipped with SQ in the ON position. T o turn it off, use a small screwdriver or pen to slide the switch to the OFF position (to the right).
33 LR-400 Setup Instructions LR-400 Setup Instructions continued T urn the Unit On Receivers are turned on by rotating the volume dial counterclockwise.
34 LR-400 Operation LR-400 Operation Instructions Make Sure the Unit is On Rotate the volume knob counterclockwise with an earphone or headset connected to the unit.
34 LR-400 Operation LR-400 Operation Instructions continued Find an audio transmission using SEEK Another way to find a channel on the LR-400 is to use the SEEK button. When you do this, the Listen receiver looks for the next active channel. Sometimes the unit will mistake interference for a real broadcast signal.
36 Squelch The purpose of squelch is to mute the audio output of your receiver when the signal from the transmitter is turned off or is too weak to be received. W ithout squelch you would hear radio noise in your earphone. The squelch on your receiver can be adjusted so that it will mute the audio on different RF signal strengths.
37 LR-400 Squelch Squelch Programming T o enter Squelch programming mode · T urn the unit off · Press and hold the seek button; while still holding seek turn the ON/OFF dial to turn the unit on. · Release the seek button when the Listen name disappears and a two digit display is seen.
38 LR-400 Charging Batteries LR-400 Charging Batteries The LR-400 and all Listen receivers are unique because they have SmartCharge™ chargers built in. When any of these units are connected to an LA-202 wall transformer or dropped into a Listen charging case, NiMH batteries will be charged.
39 LR-400 Charging Batteries LR-400 Charging Batteries continued During the charge cycle, the red LED on top of the Listen product will flash slowly . When charg- ing is completed, the LED will turn off.
40 LR-400 W all Transformer LR-400 W all T ransfor mer Operation The LR-400 will operate normally when connected to a wall transformer . Use Listen part number LA-202, available from any Listen dealer . Connect the wall transformer to the jack on the side of the LR-400 marked “PWR/CHG” and plug the wall transformer into a grounded AC outlet.
41 User’s Manual LR-300 Receiver Don’t miss a single sound. Listen. 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 (North America): 1.800.330.0891 Fax: +1.801.233.8995 E-mail: info@ListenT ech.
42 LR-300 Introduction · LR-300-072 (72MHz) · W arranty Card · Receiver User Manual LR-300 Package Contents 72 MHz: LR-300-072 Listen Part Number See pages 70-71.
43 LR-300 T able of Contents Architectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44 LR-300 Specifications LR-300 Specifications Architectural Specifications The FM receiver shall be capable of receiving on 17 wide band channels and have a SNR of 80dB or greater . The receiver shall be capable of seeking channels. The device shall have a squelch.
45 LR-300 Specifications Specif icati o n LR-300-072 LR-300 Specifications continued Indi cat or s LED Re d, illum inat es wh e n un it is on . Fla sh e s w he n b at te ries are low. F las he s whe n c har ging . Fla sh e s w he n loc ked and us e r attem pts to s eek to a no th er cha nn el .
46 LR-300 Quick Reference Quick Reference LR-300 Front LED - when lit, indicates unit has power . ON/OFF & VOLUME CONTROL dial 3.5mm Input Jack A Listen earpiece or headset connects here.
47 LR-300 Quick Reference Quick Reference LR-300 Inside Access Door Battery Select Switch - place in NiMH position ONL Y if you are using Nickel Metal Hydride batteries, otherwise, leave it in the Alkaline position. SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF position if needed.
48 LR-300 Setup LR-300 Setup Instructions Remove the product Remove outer packaging and plastic cover . Inspect for physical damage. If damage is aparent, please contact Listen T echnologies Corporation technical sup- port for assistance. See page 69 for contact information.
49 LR-300 Setup Place Batteries in Unit Place two AA batteries in the compartment, making note of the battery polarity shown in the battery compartment, and again verifying that the BA TTERY SELECT switch is in the correct position for the batteries you are using.
50 LR-300 Operation LR-300 Operation Instructions Make Sure the Unit is On Rotate the volume knob counterclockwise with an earphone or headset connected to the unit.
51 LR-300 Operation & Squelch LR-300 Operation Instructions continued T o Lock into Only One Channel Press and hold the SEEK button for 5 seconds to lock a receiver onto the currently tuned channel. Press and hold the button again to unlock. When locked the LED on top of the unit will flash when you press the SEEK button.
52 LR-300 Charging Batteries LR-300 Charging Batteries The LR-300 and all Listen receivers are unique because they have SmartCharge™ chargers built in. When any of these units are connected to an LA-202 wall transformer or dropped into a Listen charging case, NiMH batteries will be charged.
53 LR-300 Charging Batteries During the charge cycle, the red LED on top of the Listen product will flash slowly . When charg- ing is completed, the LED will turn off. It is not necessary to unplug the charger; however , if you unplug the unit from the charger and then plug it back in, it will begin the 13-hour charge cycle over again.
LR-300 W all Transformer 54 LR-300 W all T ransfor mer Operation The LR-300 will operate normally when connected to a wall transformer . Use Listen part number LA-202, available from any Listen dealer . Connect the wall transformer to the jack on the side of the LR-300 marked “PWR/CHG” and plug the wall transformer into a grounded AC outlet.
Supplementary Info 55 Supplementary Information Channel Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 Listen SQ™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Channel Selection 56 Channel Selection It is highly recommended that after channel selection has been achieved, you lock the channel so that it cannot be changed by the user . T o accomplish lock on receivers, press and hold seek for 5 seconds. Repeat the process to unlock.
57 Channel Selection Channel Selection continued Notes in regard to using 72MHz and 216MHz systems i. 72MHz in a secondary frequency band. This means that other transmitters are licensed to use these frequencies. Thus, you may experience interference from paging transmitters and other type transmissions.
58 Listen SQ™ W e are accustomed to listening to low noise, high fidelity audio (delivered via CD, DVD, etc.). FM radio systems, such as those made by Listen, have more inherent noise compared to most sound systems. T o reduce noise of our sys- tems, Listen now offers a noise reduction technology called ListenSQ™.
59 RF Reception Strategies For proper and dependable operation, Listen receivers should receive a strong and consistent signal from the originating transmitter .
60 72MHz Compatibility Chart 72MHz Compatibility Chart Fr eque ncy MHz Listen Phonic Ear Comtek Phonak Williams* Gentner Telex Drak e 72.0250 1 1 1 A1 ( 11, 1) 72.0500 ( 2) 1 72.0750 2 2 2 A2 ( 12, 3) 72.1000 AAAA A , ( 1 3 , 4 ) 2 A 7 2 . 1 72.1250 3 3 3 A3 ( 14, 5) 72.
61 72MHz Compatibility Chart 75.5000 FFFF F , ( 4 8 , 5 8 ) 2 8 J 7 5 . 5 75.5250 23 23 23 F3 ( 49, 59) 75.5500 ( 60) 29 75.5750 24 24 24 F4 ( 50, 61) 75.6000 SSSS S , ( 6 2 ) 3 0 K 7 5 . 6 75.6250 25 25 25 S5 ( 51, 63) 75.6500 ( 64) 31 75.6750 26 26 26 S6 ( 52, 65) 75.
Fr eque ncy MHz Listen Phonic Ear Comtek Phonak Williams Gentner CSI AVR Light S peed 216.0125 1A 1 1 C01 N01 216.0250 2A 41 41 41 1 1 216.0375 3A 2 2 216.0625 1B 3 21 216.0750 2B 42 42 42 2 10 216.0875 3B 4 4 216.1125 1C 5 5 C05 216.1250 2C 43 43 43 A 3 6 216.
63 216MHz Compatibility Chart 216MHz Compatibility Chart continued 216.5125 1K 21 61 216.5250 2K 51 51 29 H 10 3 216.5375 3K 22 62 216.5625 1L 23 28 216.5750 2L 52 52 52 I 11 12 216.5875 3L 24 64 C24 N 64 216.6125 1M 25 65 C25 216.6250 2M 53 53 53 J 12 8 216.
64 Receiver T roubleshooting - LR-300, LR-400, LR-500 The receiver has no power. Make sure the unit has either fully charged batteries or a Listen approved wall transformer con- nected. Make sure the VOLUME knob has been rotated to the ON position. If this does not work, try a different set of batteries.
65 Receiver T roubleshooting Receiver T roubleshooting continued I cannot pick up the signal on the receiver. Check to make sure the receiver and the transmitter are on the same frequency and channel. Also make sure the receiver is in broadcast range of the transmitter .
66 Receiver T roubleshooting continued I cannot change channels when pressing the UP and DOWN buttons or the SEEK button. The unit is locked. Press the SEEK button for 5 seconds to unlock. When I change channels, only certain channels are accessible. The unit has been programmed to tune to only certain channels (LR-500 only).
67 Compliance Notice Compliance Notice This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) These devices may not cause harmful interference, and (2) these devices must accept any interference received, including interference that may cause undesirable operation.
68 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.
69 W arranty W arranty Listen T echnologies Corporation (Listen) warrants its receivers (LR-300, LR-400, LR-500) 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.
70 Optional Accessories Ear Speaker LA-164 Optional Accessories Ear Speaker LA-161 Dual Ear Speaker LA-162 Stereo Headset LA-165 Neckloop LA-166 Earphone Options.
71 Optional Accessories Optional Accessories Consumer Camcord er Cable LA-265 Connector Options Sacrificia l Cabl e LA-275 Professio nal Camcord er Cable LA-266.
72 Notes.
73 Notes.
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 (North America): 1.800.
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 LR-500 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 LR-500 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Listen Technologies LR-500 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Listen Technologies LR-500 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Listen Technologies LR-500, 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 LR-500.
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 LR-500. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Listen Technologies LR-500 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.
