Page 3 - Receivers Table of Contents
Table of Contents 1 LR-500 User’s Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 LR-500 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 LR-400 User’s Manual . . . . . . . . . ...
Page 5 - User’s Manual; LR-500 Programmable Display Receiver
3 User’s Manual LR-500 Programmable Display Receiver D o n ’ t m i s s a s i n g l e s o u n d . L i s t e n . Listen Technologies Corporation8535 South 700 West, Suite ASandy, Utah 84070-2515 USATelephone: +1.801.233.8992Toll Free (North America): 1.800.330.0891Fax: +1.801.233.8995E-mail: info@List...
Page 6 - oduction; LR-500 Package Contents
4 LR-500 Intr oduction · LR-500 (72MHz or 216MHz) · Warranty Card · Receiver User Manual LR-500 Package Contents 72 MHz: LR-500-072216 MHz: LR-500-216 Listen Part Number See pages 70-71. Optional Accessories
Page 7 - able of Contents; Supplementary Information; LR-500 Table of Contents
5 LR-500 T able of Contents Architectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Quic...
Page 8 - LR-500 Specifications; Architectural Specifications; 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. The receiver shall be capable of...
Page 10 - ence; Quick Reference
8 LR-500 Quick Refer ence Quick Reference LR-500 Front 3.5mm Input JackA Listen earpiece or headsetconnects here. LED - when lit, indicatesunit has power. ON/OFF & VOLUME control dial Press and hold both buttons for 5 secondsto enter PROGRAM mode. The PGM iconwill appear in the display. To exit ...
Page 11 - LR-500 Inside Access Door
9 LR-500 Quick Refer ence Quick Reference LR-500 Inside Access Door Battery Select Switch - place in NiMH position ONLY if you are using Nickel Metal Hydride batteries, otherwise, leave itin the Alkaline position. SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF po...
Page 12 - LR-500 Battery Indicator
10 LR-500 Quick Refer ence Quick Reference LR-500 Look & Listen™ Display Dots indicate the relative RFsignal strength. Indicates the currentlytuned channel Indicates the unit is in PROGRAM mode.To enter PROGRAM mode, press and holdthe UP and DOWN keys until the PGM iconappears in the display. To...
Page 13 - LR-500 Setup Instructions; Remove the product
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 Technologies Corporation technical sup-port for assistance. See page 69 for contact information. Open the front ...
Page 14 - continued; Set SQ switch
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 unitis shipped with SQ in the ON position. To turn it off, use a small screwdriver or pen to slidethe switch to the OFF position (to t...
Page 15 - Connect an Earphone or Headset; Set Squelch; Program Channels
13 LR-500 Setup Instructions LR-500 Setup Instructions continued Connect an Earphone or Headset Your headset or earphone will connect to the jack on the top of the unit. Either mono orstereo connectors may be used with a Listen receiver. Make certain you push the plug all theway into the jack. Turn ...
Page 16 - LR-500 Operation Instructions; Make Sure the Unit is On
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.Listen receivers use the cable of the earphone or headset as a receiving antenna. Be careful when turning the unit on - if you turn the...
Page 17 - Find an audio transmission using SEEK
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 dothis, the Listen receiver looks for the next active channel. Sometimes the unit will mistakeinterference for a real broa...
Page 18 - ogramming; Programming Instructions; Locking Out Unwanted Channels
16 LR-500 Pr ogramming 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. Locking Out Unwanted Channels For applications where users are required to...
Page 19 - Squelch
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. Without squelch you would hear radio noise inyour earphone. The squelch on your receiver can be adjusted so ...
Page 20 - Squelch Programming; Squelch Programming Instructions
18 LR-500 Squelch Squelch Programming To enter Squelch programming mode · Turn 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. To adjust the Sq...
Page 21 - ging Batteries; LR-500 Charging Batteries
LR-500 Char ging Batteries 19 LR-500 Charging Batteries The LR-500 and all Listen receivers are unique because they haveSmartCharge™ chargers built in. When any of these units are connectedto an LA-202 wall transformer or dropped into a Listen charging case,NiMH batteries will be charged. To charge ...
Page 22 - LR-500 Charging Batteries continued
LR-500 Char ging Batteries 20 LR-500 Charging Batteries continued During the charge cycle, the red LED on top of the Listen product will flash slowly. Whencharging is completed, the LED will turn off. It is not necessary to unplug the charger; howev-er, if you unplug the unit from the charger and th...
Page 23 - LR-500 Wall Transformer Operation
21 LR-500 W all T ransfor mer LR-500 Wall Transformer Operation The LR-500 will operate normally when connected to a wall transformer. Use Listen part numberLA-202, available from any Listen dealer. Connect the wall transformer to the jack on the side ofthe LR-500 marked “PWR/CHG” and plug the wall ...
Page 24 - Notes
Page 25 - LR-400 Display Receiver
23 User’s Manual LR-400 Display Receiver D o n ’ t m i s s a s i n g l e s o u n d . L i s t e n . Listen Technologies Corporation8535 South 700 West, Suite ASandy, Utah 84070-2515 USATelephone: +1.801.233.8992Toll Free (North America): 1.800.330.0891Fax: +1.801.233.8995E-mail: [email protected]
Page 26 - LR-400 Package Contents
24 LR-400 W e lcome to Listen! · LR-400 (72MHz or 216MHz) · Warranty Card · Receiver User Manual LR-400 Package Contents 72 MHz: LR-400-072216 MHz: LR-400-216 Listen Part Number See pages 70-71. Optional Accessories
Page 27 - LR-400 Table of Contents
25 LR-400 T able of Contents Architectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Qui...
Page 28 - LR-400 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. The device shall...
Page 29 - LR-400 Specifications continued
27 LR-400 Specifications Set Up Controls User Controls Programming LCD Display LED Battery Type Battery Life (Listen batteries) Battery Charging (NiMH only) Power Supply Connector Compliance Dimensions Unit Weight Unit Weight with batteries Shipping Weight Door Temperature - Operation Temperature - ...
Page 31 - LR-400 Inside Access Door
29 LR-400 Quick Refer ence Quick Reference LR-400 Inside Access Door Battery Select Switch - place in NiMH position ONLY if you are using Nickel Metal Hydride batteries, otherwise, leave itin the Alkaline position. SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF p...
Page 32 - LR-400 Battery Indicator
30 LR-400 Quick Refer ence Quick Reference LR-400 Look & Listen™ Display Indicates the currentlytuned channel When the padlock is visible, the channel islocked. Press and hold SEEK for 5 secondsto unlock or lock. Dots indicate the relative RF signalstrength. When there is a full signalthe unit w...
Page 33 - LR-400 Setup Instructions
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 Technologies Corporation technical supportfor assistance. See page 69 for contact information. Open the front ac...
Page 35 - Turn the Unit On
33 LR-400 Setup Instructions LR-400 Setup Instructions continued Turn the Unit On Receivers are turned on by rotating the volume dial counterclockwise. The red LED on top ofthe unit should activate and the LCD display should illuminate. If they do not, make sure youhave installed the batteries corre...
Page 36 - LR-400 Operation Instructions
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.Listen receivers use the cable of the earphone or headset as a receiving antenna. Be careful when turning the unit on - if you turn the...
Page 37 - LR-400 Operation Instructions continued
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 dothis, the Listen receiver looks for the next active channel. Sometimes the unit will mistakeinterference for a real broa...
Page 40 - LR-400 Charging Batteries
38 LR-400 Char ging Batteries LR-400 Charging Batteries The LR-400 and all Listen receivers are unique because they haveSmartCharge™ chargers built in. When any of these units are connected toan LA-202 wall transformer or dropped into a Listen charging case, NiMHbatteries will be charged. To charge ...
Page 41 - LR-400 Charging Batteries continued
39 LR-400 Char ging 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. It is not necessary to unplug the charger; however, if youunplug the unit from the charger and th...
Page 42 - LR-400 Wall Transformer Operation
40 LR-400 W all T ransfor mer LR-400 Wall Transformer Operation The LR-400 will operate normally when connected to a wall transformer. Use Listen part numberLA-202, available from any Listen dealer. Connect the wall transformer to the jack on the side ofthe LR-400 marked “PWR/CHG” and plug the wall ...
Page 43 - D o n ’ t m i s s a s i n g l e s o u n d . L i s t e n .
41 User’s Manual LR-300 Receiver D o n ’ t m i s s a s i n g l e s o u n d . L i s t e n . Listen Technologies Corporation8535 South 700 West, Suite ASandy, Utah 84070-2515 USATelephone: +1.801.233.8992Toll Free (North America): 1.800.330.0891Fax: +1.801.233.8995E-mail: [email protected]
Page 44 - LR-300 Package Contents
42 LR-300 Intr oduction · LR-300-072 (72MHz) · Warranty Card · Receiver User Manual LR-300 Package Contents 72 MHz: LR-300-072 Listen Part Number See pages 70-71. Optional Accessories
Page 45 - LR-300 Table of Contents
43 LR-300 T able of Contents Architectural Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44 Qui...
Page 46 - LR-300 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. Thereceiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio freq...
Page 47 - LR-300 Specifications continued
45 LR-300 Specifications Specification LR-300-072 LR-300 Specifications continued Indicators LED Red, illuminates when unit is on. Flashes when batteries are low. Flashes when charging. Flashes when locked and user attempts to seek to another channel. Battery Type Two AA batteries, alkaline or NiMH ...
Page 49 - LR-300 Inside Access Door
47 LR-300 Quick Refer ence Quick Reference LR-300 Inside Access Door Battery Select Switch - place in NiMH position ONLY if you are using Nickel Metal Hydride batteries, otherwise, leave itin the Alkaline position. SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF p...
Page 50 - LR-300 Setup Instructions
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 Technologies Corporation technical sup-port for assistance. See page 69 for contact information. Open the front access door I...
Page 51 - LR-300 Setup Instructions continued
49 LR-300 Setup Place Batteries in Unit Place two AA batteries in the compartment, making note of the battery polarity shown in thebattery compartment, and again verifying that the BATTERY SELECT switch is in the correctposition for the batteries you are using. (ALK should be selected for all batter...
Page 52 - LR-300 Operation Instructions
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 theunit. Listen receivers use the cable of the earphone or headset as a receiving antenna. Be careful when turning the unit on - if you turn the...
Page 53 - To Lock into Only One Channel
51 LR-300 Operation & Squelch LR-300 Operation Instructions continued To Lock into Only One Channel Press and hold the SEEK button for 5 seconds to lock a receiver onto the currently tunedchannel. Press and hold the button again to unlock. When locked the LED on top of theunit will flash when yo...
Page 54 - LR-300 Charging Batteries
52 LR-300 Char ging Batteries LR-300 Charging Batteries The LR-300 and all Listen receivers are unique because they haveSmartCharge™ chargers built in. When any of these units are connected toan LA-202 wall transformer or dropped into a Listen charging case, NiMHbatteries will be charged. To charge ...
Page 55 - LR-300 Charging Batteries continued
53 LR-300 Char ging 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 youunplug the unit from the charger and then plug it back in, it will begin th...
Page 56 - LR-300 Wall Transformer Operation
LR-300 W all T ransfor mer 54 LR-300 Wall Transformer Operation The LR-300 will operate normally when connected to a wall transformer. Use Listen part numberLA-202, available from any Listen dealer. Connect the wall transformer to the jack on the side ofthe LR-300 marked “PWR/CHG” and plug the wall ...
Page 57 - Supplementary Info
Supplementary Info 55 Supplementary Information Channel Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 Listen SQ™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 58 - Channel Selection
Channel Selection 56 Channel Selection It is highly recommended that after channel selection has been achieved, you lock the channel sothat it cannot be changed by the user. To accomplish lock on receivers, press and hold seek for 5seconds. Repeat the process to unlock. It is important to choose cha...
Page 59 - Channel Selection continued
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 usethese frequencies. Thus, you may experience interference from paging transmitters and othertype transmissio...
Page 60 - SQ Summary; Listen SQTM
58 Listen SQ™ We are accustomed to listening to low noise, high fidelity audio (delivered viaCD, DVD, etc.). FM radio systems, such as those made by Listen, have moreinherent noise compared to most sound systems. To reduce noise of our sys-tems, Listen now offers a noise reduction technology called ...
Page 61 - RF Reception Strategies; RF Reception Maximization Strategies
59 RF Reception Strategies For proper and dependable operation, Listen receivers should receive a strong and consistent signalfrom the originating transmitter. The following strategies should be used maximize this signal: a. When designing and installing your system, keep in mind that the location o...
Page 62 - 2MHz Compatibility Chart
60 72MHz Compatibility Chart 72MHz Compatibility Chart Frequency MHz Listen Phonic Ear Comtek Phonak Williams* Gentner Telex Drake 72.0250 1 1 1 A1 (11, 1) 72.0500 (2) 1 72.0750 2 2 2 A2 (12, 3) 72.1000 A A A A A, (13, 4) 2 A 72.1 72.1250 3 3 3 A3 (14, 5) 72.1500 (6) 3 72.1750 4 4 4 A4 (15, 7) 72.20...
Page 63 - 2MHz Compatibility Chart continued
61 72MHz Compatibility Chart 75.5000 F F F F F, (48, 58) 28 J 75.5 75.5250 23 23 23 F3 (49, 59) 75.5500 (60) 29 75.5750 24 24 24 F4 (50, 61) 75.6000 S S S S S, (62) 30 K 75.6 75.6250 25 25 25 S5 (51, 63) 75.6500 (64) 31 75.6750 26 26 26 S6 (52, 65) 75.7000 G G G G G, (53, 66) 32 L 75.7 75.7250 27 27...
Page 64 - 16MHz Compatibility Chart
Frequency MHz Listen Phonic Ear Comtek Phonak Williams Gentner CSI AVR Light Speed 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 6 216.1375 3C 6 22 216.1625 1D 7 23 216.1750 2D ...
Page 65 - 16MHz Compatibility Chart continued
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 N64 216.6125 1M 25 65 C25 216.6250 2M 53 53 53 J 12 8 216.6375 3M 26 81 216.6625 1N 27 82 216.6750 2...
Page 66 - Receiver T
64 Receiver Troubleshooting - 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 notwork, try a different set of batterie...
Page 67 - Receiver Troubleshooting continued; I cannot pick up the signal on the receiver.
65 Receiver T roubleshooting Receiver Troubleshooting 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. Alsomake sure the receiver is in broadcast range of the transmitter. I can pick up the signal on the...
Page 68 - When I change channels, only certain channels are accessible.
66 Receiver Troubleshooting continued I cannot change channels when pressing the UP and DOWN buttons orthe 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 certai...
Page 69 - Compliance Notice
67 Compliance Notice Compliance Notice This device complies with part 15 of the FCC Rules. Operation is subject to the following twoconditions: (1) These devices may not cause harmful interference, and (2) these devices mustaccept any interference received, including interference that may cause unde...
Page 70 - FCC Statement
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 protectionagainst harmful interference in a residential installation. This equipment generates, uses ...
Page 71 - arranty; Warranty
69 W arranty Warranty Listen Technologies Corporation (Listen) warrants its receivers (LR-300, LR-400, LR-500) to befree from defects in workmanship and material under normal use and conditions for the usefullifetime of the product from date of purchase. All other products and accessories are warran...
Page 72 - Ear Speaker; Ear Speaker; Earphone Options
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
Page 73 - Consumer; Connector Options; Sacrificial Cable
71 Optional Accessories Optional Accessories Consumer Camcorder Cable LA-265 Connector Options Sacrificial Cable LA-275 Professional Camcorder Cable LA-266
