Listen Technologies LA-161 User's Manual
Contents
1. LR 200 072 Setup Instructions Turn the Unit On Receivers are tumed on by rotating the volume dial counterclockwise The red LED on top of the unit will illuminate If it doesnot make sure you have installed the battenes correctly and that you are using fully charged battenes 8 Adjust the volume control Use the control dial on the top ofthe unit to adjust the volume to a comfortable level i Accessones for LR 200 072 Accessones Headphones LA 161 Single Ear Bud LA 162 Stereo Ear Bud LA 164 Ear Speaker LA 165 Stereo Headphones LA 166 Neck Loop LA 170 LA 170 Behind the Head Stereo Headphones LA 171 Noise Canceling Headphones Power Charging Supplies LA 202 Power Charging Supply for FM Portable Products Cables LA 265 Consumer Camcorder Cable LA 266 Professional Camcorder Cable LA 275 Sacrificial Cable Charging Canying Cases with Removable Lid LA 311 01 16 Unit Portable FM Product Charging Camying Case North America LA 317 01 4 Unit Portable FM Product Charging Camying Case North America LA 321 01 8 Unit Portable FM Product Charging Camying Case North America LA 323 01 4 Unit Portable FM Product Charging Camying Case w Removable Lid North America LA 324 01 8 Unit Portable FM Product2. RF Power Level Low Med or High RF power RF Antenna Output BNC connector for antenna 50 Ohm Monitor ack Plug in earphone s to monitor audio MONITOR PROCESS INPUT LEVEL MIX LEVEL CONTOUR UW 1 CHANNEL SELECT T 803 FM Transmitter Monitor Level LCD Display See LCD Adjust the Monitor display quick reference output volume Contour Equalization adjustment boosts or cuts high frequencies Mix Transmit Levels Adjusts the amount of Channel Select UP DOWN mixed audio being transmitted Use to select channel A E H Buttons also used for programming functions 9 PGM Indicates the unit isin program mode Channel Display Displays the current channel Lock Icon Indicates the unit is locked on current channel Hold Channel up button for 3 secondsto lock On Off channel Input 2 Unbalanced audio inputs stereo or mono Audio Outputs Input 1 and input 2 ONO ra ine ouput Input 2 Level Switch Set switch to match the level of your Input 2 source IX OUT INPUT 2 R A 0 90 MIC PH PWR e Input 1 Balanced input _ for connection of a line Top Mounted Antenna Output Input 1 Level Switch Set evel or microphone Screw terminal fortop switch for line or mic acceptseithera XLRor mounted antenna level Phantom power 14 phono plug available in Mic PH power position LT 803 072 Setup Instructions 1 Unpack the Product R
3. First make sure that the receivers you are using are operating properly then make sure that you have an antenna connected eitherto the top of the LT 803 072 transmitter or connected to the back of the unit but not both The antenna should be ashigh as possible and free of obstacles In addition make sure you are using the correct antenna type for yourunit You might want to use a remote antenna LA 122 Universal Antenna Kit 72 MHz or LA 116 Coaxial Dipole Remote Antenna 72 MHz that can be mounted on a mastor wall Try using different frequenciesto find one with less interference see page 25 for information regarding channel selection EEE EEE Esse 53 Troubleshootng Troubleshootng There is interference in my transmission Ensure that the transmitter and receivers are on the same channel Venfy that there are no other transmitters on the same channel ora close channel to the one exhibiting interference Try different channels until you find a clearchannel Please contact Listen for more ideason troubleshooting the interference End users are adjusting the unit First lock the channel on the LT 803 072 by pressing and holding the channel select UP button for 3 seconds Consider removing the Input Mix Level and Contour knobs You can ordera rack mount kit LA 326 from Listen which offers a security cover that will limit access to the unit I am using another manfactures receiver with the LT 803 072 Listen s 72 MHz equipme
4. 2 these devices must accept any interference received including interference that may cause undesirable operation Listen s LT 800 Transmitter 216 MHz only Listen s LT 800 transmitter is authorized by rule under the Low Power Radio Service 47 C F R Part 95 and must not cause ha mful interference to TV reception or United States Navy SPASUR installations You do not need an FCC license to operate these transmitters These transmitters may only be used to provide auditory assistance to persons with disabilities persons who require language translation or persons in educational settings health care servicesto the ill law enforcement tracking services under agreement with a law enforcement agency orautomated maritime telecommunications system AMTS network control communications Two way voice communications and all other types of uses not mentioned above are expressly prohibited This device must be installed by a trained audio professional or certified dealer of Listen The user can t make any modifications to the unit without expressed written consent of Listen Technologies Corporation Any modifications made will void the FCC compliance Listen warranty and the users authority to operate Listen s equipment FCC Statement This equipment has been tested and found to comply with the limits fora class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful
5. Charging Canying Case w Removable Lid North America LA 325 01 16 Unit Portable FM Product Charging Canying Case w Removable Lid North America LA 321 Canying Cases LA 306 Soft Case 72 MHz amp 216 MHz only LA 313 16 Unit Portable FM Product Carrying Case LA 318 4 Unit Portable FM Product Carrying Case LA 319 Protective Pouch for Portable FM Products LA 320 Configurable Carrying Case LA 322 8 Unit Portable FM Product Carrying Case Misc ellaneous LA 330 Portable Unit Lanyard LA 361 High Capacity AA Alkaline Battenes 2 LA 362 Rechargeable AA NiMH Battenes 2 4 7777798 Notes LR 200 072 43 Notes CLO 002 Al 44 Value Package Heer bd Latina Alin supplementary Information Don t miss a single sound gt Q o Supplementary Information Table of Contents Battery Charging Infomation Frequency Chart Troubleshooting Frequently Asked Questions Compliance Warranty and Contact Information Notes 48 Z E Battery Charging Information The LR 200 072 receiver uses a trickle charging method When one of these receivers is placed into a Listen charging case any NiMH batteries willbe charged The entire charging processtakes 10 12 hours under normal conditions During the charging cycle the red LED on top of the Listen product will remai
6. a SNR of 62 dB or greater The device shall have an audio frequency response of 50 Hzto 15 KHz 3 dB at 72 MHz The device shall incorporate a stereo headset jack that allowsthe userto plug in either a mono orstereo earphone s The unit shall operate with 2 AA battenes The receiver shall incorporate automatic battery charging circuitry for recharging of NIMH battenes The device shall have a switchable option forthe use of 2 alkaline or 2 NIMH batteries The Listen LR 200 072 is specified Specifications LR 200 072 A 72 100 E 72 900 H 75 900 CE 3 wide band E 6 UV typical 1 UV maximum for 12 dB sinad nice uency Accuracy 005 sta bility 32 to 122 F 0 50 C see Uses earphone cable mon None Compliance FCC Part 15 Industry Canada RoHS All system specifications are wireless end to end System Frequency Response 50Hz 15kHz 47 3d B ECC Signalto Noise Ratio 62 dB Audio System Distortion Distortion lt 2 totalhamonic distortion THD at 80 deviation 3 5 mm 0 14 in connectors unbalanced 0 dBu nominal output level 16 mW maximum Output impedance 32 Ohms UerConros ON OFF volume gt up con l 3 Controls Alka line NiMH batteries channel switch DOE NL None Red illuminated when unit is on orto indicate charging flasheswhen batteries are low Indicators LCD Display None EEEE Two 2 AA batteries alkaline or NIMH EO ae ne Life Listen Batteries 120 hours alkaline LA
7. interference in a residential installation This equipment generates usesand can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause ha mful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause hamful interference to radio or television reception which can be determined by tuming the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 9 Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is e connected e Consult the dealeroran experienced radio TV technician for help This equipment has been certified to comply with the limits fora class B computing device pursuant to FCC and IC Rules In orderto maintain compliance with FCC and IC regulations shielded cables must be used with this equipment Operation with non approved equipment orunshielded cablesis likely to result in interference to radio and TV reception The user is cautioned that changesand modifications made to the equipment without the approval of manufacturer could void th
8. 361 75 hours NiMH rechargeable LA 362 Tr Battery Charging NiMH only NiMH only Fully automatic 10 12 hours under normal use I P 120VAC O P 7 5VDC 250 mA drop in contact points for use with charging cases Power Powersupply 0 Powersupply not included LA 202 2 3 mm OD by 0 7 mm ID barrel type connector 7 5 VDC center positive lt 250 mA Power Supply Connector Power Supply Connector ae Drop in contact points for use with Listen charging cases Power Power Supply Compliance Compliance ROHS WEEE UL PSE CE CUL TUV CB compliant 4 25 x 2 75 x 1 50 in 10 8 x 7 0 x 3 8 cm Dark Grey with white silk screening and dark lens 3102 889 AREA 5202 1479 5802 1649 Manually lockable SEEK behind the door Temperature Operation 14 to 104 F 10 to 40 C Environmental Temperature Storage 4 to 122 F 20 to 50 C 0 to 95 relative humidity non condensing Specifications are subject to change without notification 36 LR 200 072 Block Diagram LCD Display O I Down Power Supply 9 CPU Module Universal I Seek 115 230VAC e Powercharge indicator 50 60 Hz Red LED not included gt NiMH 2 AA Batteries ALkaline or NiMH 1 POWER AZ i Qof ANTENNA RF de emphasis O de modulation p VOLUME Tip 9 3 5 mm Connector O Sleeve OE Ring i LR 200 072 Quick Reference Power Charging Port Front Door Lock Channel Sele
9. FM Tra nsmitter e 4 LR 200 072 Standard 3 Channel FM Receiver e 1 LA 123 90 Helical Antenna e 4 LA 161 Single Ear Bud 1 e 1 e 1 LA 161 Single Ear Bud LA 304 Assistive Listening Notification Signage Kit LA 207 12 VDC Power Supply Installation G uide LT 803 072 Stationary 3 Channel FM Tra nsmitter LR 200 072 Standard 3 Channel FM Receiver 12 VDC Power Supply LA 123 90 Helical Antenna LA 304 Assitive Listening Notification Signage Kit Installation Guide Frequency Modulation FM Technology Overview Frequency modulation or FM isa means of transmitting audio using electromagnetic waves This sa me technology is used by local FM radio stations to broadcast music FM signals can travel through most barriers walls floors and ceilings The distance a signal travels has many different variables such as Radio Frequency RF output power the type and placement of the antenna and the broadcasted frequency Unlike infrared FM transmission are not secure This enables a receiverto travel further distances from the source This section of the manual will help you design a system that will get the best range and least amount of interference A D 3 G s o Audio Mixer Gr FM Receiver FM Tra nsmitter Audio Source System Overview There are four main components to the Value Package the transmitter antenna receiver and input source Input Source The i
10. Listen Value Package www Hstenrech com t 1 1 1 2 pe Ped PAT ar de laj ET uu E me k no J Value Package Design Guide and Manual I tiss single sound DearValued 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 satisfied That s why we independently certify them to the highest qua lity standards and back them with a limited lifetime guarantee We stand ready to answer any questions you might have dunng installation orin the operation of our products Should you expenence any problems whatsoever with your Listen products we are ready to help you in any way we can with prompt efficient customer care Because at Listen it s all about you And should you have any comments on how we might improve our products or our service we re here to listen Here s how to reach us 1 801 233 8992 1 800 330 0891 North America 1 801 233 8995 tax support listentech com www listtentech com Thank you and enjoy your listening expenence Best regards Russell Gentnerand the Listen Team e In the few instances where repairs were needed 99 of all clients indicated that they were happy with repair tum around times and 85 of the time clients were without their product for less than 10 days Overall
11. Misuse dropping orany other noticeable cosmetic damage What are the differences between the LR 200 and other Listen receivers A The LR 200 offers three 3 frequencies and can be changed inside the doorof the receiver via a switch The LR 200 does not have an LCD screen the ability to SEEK for open frequencies SQ Super Quiet or programmability Also the Signal to Noise is 62 dB compared to 80 dBon Listen sother receivers Can the LR 200 be used with the LT 800 072 A Yes The SQ function on the transmitter must be tumed off and the transmitter can only be used with one of the three optional frequencies A E H Can the LR 200 be used with the LT 700 072 A No What isthe battery life of the LR 200 072 120 hours alkaline 75 hours NiMH What isthe charge time of the LR 200 072 using two 2 NiMH batteries A 10 12 hours under normal use What isthe warranty of Listen recievers O O O O O A Limited lifetime warranty The following cases will void the warranty e Misuse dropping orany other noticeable cosmetic damage e Charging alkaline batteres instead of NiMH e Overheating the charging process by closing the lid on the charging case 2 Q A 54 Compliance Notice and FCC Statement 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 hammful interference and
12. alue Package LR 300 072 LR 400 072 LR 500 072 Portable Digital FM Receiver Portable Display FM Receiver Portable Programmable Display FM Receiver 72 MHz 72 MHz 72 MHz LR 100 072 Stationary FM Receiver Power Amplifier ln LR 600 072 Wireless FM Receiver Speaker 72 MHz 11 eg D 3 G s o Q S O O A Key Concepts in Value Package Setup Rack Mounting the Transmitter The LT 803 072 can be rack mounted if necessary With the use of the Listen LA 326 Universal Rack Mount Kit you Can mount one or two transmitters to the standard 19 rack The rack mounted unit will take 1 ru of space e LJ p a U Liste INPUT NITOR Liste INPUT rer I 2 process e 2 INPUT LEVEL MIX LEVEL CONTOUR np e omy TEST TONE a oe YO e TESTTONE Rack Mount with dual units installed Rack Mount with single unit installed The antenna can also be in the front of the rack with the use of the LA 125 Antenna Kit for Rack Mount 72 MHz and the LA 326 Universal Rack Mounting Kit O Co JON TESTTONE Rack Mount with single unit and extemal antenna installed NOTE The antenna may need to be remote mounted using the LA 122 Remote Antenna Kit if the transmitter s is rack mounted If a rack is metal itis not recommended to have the antenna inside Also the depth of the rack and equipment inside could prevent an antenna from being placed inside 12 EC L AA 0 Desig
13. client satisfaction of working with Listen wasrated 4 8 out of 5 Please continue with your excellent attitude toward customer satisfaction You guysare great l ve neverhad such good service from any company Keep up the good work You stand behind your product wonderfully Assistive Listening Language Interpretation Soundfield Tour Group Conferencing Value Package Table of Contents Design Guide FM Technology Overview System Overview opin 5 ubseq Key Conceptsin Value Package Setup Altemative Options for Value Package Setup Notes LT 803 072 Stationary FM Transmitter Specifications 20 Block Diagram 21 Quick Reference 22 Setup Instructions 23 Operating Instructions 25 Accessories 29 Notes 30 Ti rs S N LR 200 072 FM Receiver Specifications Block Diagram Quick Reference Setup Instructions Accessones Notes Supplementary Information Battery Charging Information 50 Frequency Chart 51 Troubleshooting 52 P Frequently Asked Questions 54 Compliance Wamanty and Contact Information 55 2 Notes 57 gt Meu w jddns www listentech com o a Listen Value Package d Design Guide Value Package Design Guide Table of Contents FM Technology Overview 5 1 System Overview 6 p Key Concepts in Value Package Setup 7 3 Altemative Optionsfor Value Package Setup 11 Notes ES Value Package Contents e 1 LT 803 072 Stationary 3 C hannel
14. ct Switch There are 3 separate channels A E H available 38 EC L AA 0 e 3 5 mm Output ack Connect a Listen earphone s here g LED When lit unit is On or charging When batteries are low the LED fla shes e On Off and Volume Control Dial E y Battery Select Switch Choose the type of battenes being used Alkaline or NIMH m annel select ECH EE F ch e Battery Compartment Place two 2 AA battenes in Compartment Be sure to follow polanty pattem EY N LR 200 072 Setup Instructions 1 Remove the product Remove outer packaging and plastic cover Inspect for physical damage If damage isapparent please contact the dealer from which the product was purchased or Listen Technologies Corporation technical support for assistance referto page 55 forcontact information 2 Open the front access door If locked use a small screwdriverto unlock the doorlocks on both sides of the unit To unlock the door rotate the lock Ytum counterclockwise Grip the two tabs with yourthumb and indexfingerand pull the doordownward DO NOTplace batteries in the unit at this time 3 Select Battery Type Two types of batteries may be used The unit is shipped with the switch in the Alkaline position Use a pen or small screwdriver to select the battery type m Battery Select Switch WARNING Do not place the BATIERY switch in the NiMH position if you are notusing Nic kel Metal Hydrid
15. e Batteries The NiMH position will attempt to charge any battenes in the unit even if they are not the proper type Charging non Nic kel Metal Hydnde NiMH battenes will result in physical ham destruction of property and orfre CAUTION If you are using any battery type other than rechargeable Nickel Metal Hydnde NiMH battenes make sure the BATIERY selection switch is in the alkaline position 39 i LR 200 072 Setup Instructions 4 Channel Select Set channel select switch to desired channel A E H Make sure that the channel on both receiver and transmitter are the same Channel Select Switch m 5 Place Batteries in Unit Insert two AA batteries making note of the battery polarity shown in the battery compartment and again verifying that the BATTERY SELECT switch is in the correct position forthe batteries you are using Alkaline should be selected forall battery types other than NiMH NOTE Listen provides industrial strength AA alkaline batteries LA 361 and high performance AA Nic kel Metal Hydride batteries LA 362 These may be purchased from your Listen dealer mn B pr 6 Connect an Earphone or Headset Your headset or earphone will connect to the jack on the top of the unit Either mono orstereo connectors ma y be used with a Listen receiver Make certain you push the plug all the way into the jack 40 Z
16. e users authority to operate this equipment 3 p D 3 D 3 lt Warranty and Contact Information Listen Technologies Corporation Listen warrants its transmitters and receivers models LT 700 LT 800 LT 803 LR 42 LR 44 LR 100 LR 200 LR 300 LR 400 LR 500 and LR 600 to be free from defects in workmanship and material under nomal use and conditions forthe useful lifetime of the product from date of purchase Listen warrants it s Stationary IR Radiators LA 140 to be free from defects in workmanship and material under normal use and conditions for three years from the date of purchase Listen warrants its Noise Canceling Microphone LA 270 to be free from defects in workmanship and material under nomal use and conditionsforone yearfrom date of purchase Listen warrants its Charging Carmying Cases LA 311 LA 313 LA 317 LA 318 LA 320 LA 321 LA 322 LA 323 LA 324 LA 325 to be free from defects in workmanship and material under nomal use and conditions for one year from date of purchase All other products and accessories are warranted for 90 daysfrom date of purchase This warranty is only available to the original end purchaser of the product and cannot be transfered Warranty is only valid if warranty card hasbeen retumed oronline warranty registration hasbeen completed within 90 days of purchase This warranty is void if damage occurred because
17. el input switches the audio processor can be tumed on to boost the signal see page 28 for description of Process Mode The audio is distorted Checkto make sure you have the input level select switches in the proper position You ma y be providing too much audio level forthe input stage to handle There is hum in the audio Make sure you have propeny grounded the audio source to the LT 803 072 Checkthe connections from the audio source to the LT 803 072 If you can try to use a balanced audio source this will reduce the chance of creating hum Connect a ground wire from the LT 803 072 to ground and orto the ground of the source audio There is a tone The Test Tone button has been pressed its LED light is on Push the Test Tone button to tum off the tone The Audio Input 1 sounds tinny If you are using an unbalanced audio source make sure Pin 3 on the XLR orthe ring on the Yin plug is grounded cannot pick up the signal on the receiver Checkto make sure the receiverand the transmitter are on the same channel Make sure the LT 803 072 has an antenna connected Ensure that the receiverhasan earphone connected I can pick up the signal on the receiver but it sounds like it s not tuned in Checkto make sure the transmitter and receiverare on exactly the same channel Ilsa good idea to lock the channels once they have been set To lock the LT 803 072 pressthe UP button for 3 seconds There is not sufficient range
18. emove outer packaging and plastic cover Verify all components are present and no physical damage hasoccuned to the product 2 Mount LT 803 072 s in Rack if desired If rack mounting the transmitter s install the optional rack mount kit LA 326 according to the instructions included with the kit Rack Mount with single unit installed Rack Mount with dual units installed Ti rs S N 3 Connect Antenna Connect antenna to rearof transmitter 4 Connect Power Plug the powersupply into the powerconnectoron the back panel Plug the powersupply into an outlet Only use a Listen approved power supply 12 VDC S d E H LT 803 072 Setup Instructions E Set RF power Set the RF POWER switch on the back of the unit to High Medium or Low Level is indicated on the LCD display by numberof dotsabove Listen logo The amount of transmitted RF powerthat you will need dependson yourapplication If you are operating multiple transmitters in the same environment itis best to set the transmitter s output powerto its lowest level to reduce the possibility of interference e low Med or High RF power KJ Connect Audio Inputs The LT 803 072 has two 2 audio input options Input Land Input 2 Input 1 isa balanced connection using either an XLR or Yin phono connector Input 2 hastwo unbalanced mixing phono connectors Use Input 1 if you are using a microphone or if you have a balanced connection such asfrom a profe
19. encies above 5 kHz pur LEVEL 5 iig pen 7 0 vest TON power Contour Knob 3 Adjust Mix Level Adjust the mix level until the nght VU meter occasionally illuminates the red LED This isthe level adjustment forthe combined output from Input land Input 2 n en o 1 OQ TEST TONE Mix Level Adjustment Knob INPUT 2 27 Ti rs 9 N LT 803 072 Operating Instructions 4 Process Mode Process mode is used for Audio Gain Control AGC Press and hold the down button for 10 seconds to activate program mode Press up button to toggle process On Off With the process mode enabled the LT 803 072 will automatically adjust for inconsistent signal input levels by raising orlowering the signal level accordingly This feature should be used in applications where a consistent sound level is importa nt and the input levels vary substantially Typically you would not want to engage the Process Mode when a speaker semphasiis critical to the message they are conveying N ar tof NV 2 Lister ex zest TONE powER Processs 28 EC L AA 0 Accessones for LT 803 072 LA 123 Accessones Antennas LA 80 2 Wa y RF Antenna Combiner LA 81 4 Wa y RF Antenna Combiner LA 82 6 Wa y RF Antenna Combiner LA 101 Helical Top Mounted Antenna 72M Hz LA 106 Telescoping Top Mounted Antenna 72 MHz LA 116 Coaxial Dipole Remote Antenna 72M Hz LA 122 Universal Antenna Kit 72 a
20. er level low mid high Internal ima Compression ratio for audio processor Programming Process on off Channel lock ESS 1 Input 2 Mix Level VU Indicates Input 1 Input 2 and Mix audio levels 10 segment LED s 8 green 2 red E Indicated by a green LED when on front panel RF T Indicated on the LCD low mid high LCD I Channel designation lock status RF Power Level programming front panel Test Tone 0000 Tone Red LED illuminates when test tone is enabled In line power supply Listen part number LA 207 line cord is determined by each country s AC power standards Input 100 240 VAC 50 60 Hz 0 4 A Output 12 VDC 1 3 A 15 6W Output Connector 0 02 in 5 0 mm OD 0 01 in 2 5 mm ID barrel type Power Supply Compliance UL CE GS TUV RoHS Dimensions H x W x D 8 50 x 1 75 x 9 12 in 21 6 x 4 45 x 21 16 cm Dark grey with white silk screening Unit lUnitWeight 2 6 lbs 1 2 kg Unit Weight with LA 207 01 Power 3 5 Ibs 1 6 kg TIN Shipping Weight Weight 4 5 lbs 2 0 kg One 1 rack space height 1 2 rack space wide One 1 or two 2 transmitters can be mounted in one rack space optional rack mount LA 326 Temperature Operation 10 C 14 F to 40 C 104 F Temperature Storage 20 C 4 F to 50 C 122 F 0 to 95 Relative Humidity non condensing Rack Mounting LF 803 072 Block Diagram 115 230VAC i 50 60 Hz BUR nn 12VDC 1 3A Power Supply CPU Mod
21. n Guide Notes 13 Notes spiny ubisag 14 Value Package ES r A r LT 803 072 Stationary 3 Channel FM Transmitter Don t miss a single sound LT 803 072 Users Manual Table of Contents Specifications 20 Block Diagram 21 Quick Reference 22 Setup Instructions 23 Operating Instructions 25 Accessories 29 Notes 30 Listen Configurations e LT 803 072 01 North America e LT 803 072 02 Asia UK e LT 803 072 03 Euro d E H LT 803 072 Package Contents e 1 LT 803 072 Stationary 3 Channel FM Transmitter e 1 LA 207 12 VDC Power Supply e 1 Quick Reference Card LT 803 072 Stationary 3 C hannel FM Tra nsmitter 12 VDC Power Supply MED OSS a Bee Cut Liga Quick Reference Card 18 N ar LT 803 072 Specific ations Audio Controls Indicators Power Physical Environmental Architectural Specification The Stationary FM Transmitter shall be capable of broadcasting on one of any three channels A 72 100 MHz E 72 900 MHz or H 75 900 MHz The transmitter shall have a SNR of 62 dB or greater The output power shall be adjustable to quarter half or full Channel tuning shall be capable of being locked The device shall have an audio frequency response of 50 Hzto 15k Hz 3 dBat 72 MHz It shall have two 2 mixing audio inputs The device shall have the following audio controls input level mix level and an adjustable low pass filter co
22. n illuminated When not using the receiver it is recommended to leave the unit in the charging case or plugged into the LA 202 power source If the unit isnot on the charger the battery will lose up to 20 of its charge per month NOTE Listen provides 2300 mAH milli Amp hour constant current NiMH Nic kel Metal Hydride batteries These may be purchased from Listen LA 362 Charging with a drop in charger To charge the batteries using a drop in charging case simply place the unit into a slot in the charging case and connect the case to power Make sure the unit is fully seated in its slot Charging with the LA 202 To charge batteries using the LA 202 7 5 DC Power Charging Supply plug the transformer into the jack marked PWR CHG and plug into AC Power source The unit can operate while battenesare being charged If the battery select switch isin the NIMH position and NiMH batteries are placed inside IMPORTANT DO NOTATIEMPT TO CHARGE ANY TYPE OF BATTERY OTHER THAN NiMH NICKEL METAL HYDRIDE with your Listen equipment Alkaline battenes may explode when connected to a charger Other nsks of charging non NiMH batteries include destruction of property or fre IMPORTANT In order to charge NiMH batteries the BATTERY SELECT switch in your Listen product must be set to the NiMH setting Use a pen orsmall screwdriverto move the switch located in the battery compartment to the proper position WARNING The case lid MUST be o
23. nd 216 MHz LA 123 90 Helical Antenna 72 MHz LA 125 Antenna Kit for Rack Mount 72 MHz Power Supply LA 207 01 12 VDC Replacement Power Supply for LT 803 072 North America LA 207 02 12 VDC Replacement Power Supply for LT 803 072 Asia UK LA 207 03 12 VDC Replacement Power Supply for LT 803 072 Euro Cables Connectors LA 112 RG 58 50 Ohm Coaxial Cable Per ft LA 113 RG 8 50 Ohm Low Loss Coaxial Cable Per ft LA 115 RG 58 BNC Coupler LA 127 RG 58 BNC Connector LA 128 RG 8 BNC Connector LA 390 RG 8 50 Ohm Preassembled Coaxial Cable Per ft LA 391 RG 58 50 Ohm Preassembled Coaxial Cable Per ft Miscellaneous LA 304 Assistive Listening Notification Signage Kit LA 326 Universal Rack Mounting Kit 29 CL0 08 TI Notes spiny ubisag 30 Listen Value Package www listentech com LR 200 Standard 3 Channel FM Receiver iss a single sound 34 LR 200 072 User s Manual Table of Contents Specifications Block Diagram Quick Reference Setup Instructions Accessories Notes Listen Configurations e LR 200 072 LR 200 072 Package Contents e 1 LR 200 072 Standard 3 Channel FM Receiver 72 MHz e 1 Quick Reference Card LR 200 072 gt Standard 3 Channel ho FM Receiver E 00 72 MHz Quick Reference Card LR 200 072 Spec fc ations Architectural Specifcaton The FM receivershall be capable of receiving on three wide band channels The receiver shall have
24. nd other outside FM signals Listen s LT 803 072 offers 3 different channels to choose from With 3 different channels to choose from the chance of finding an interference free channel is increased The best way to checkfor interference isto tum the LR 200 072 on and listen to each channel Transmit on the channel that hasthe least amount of noise Testing System Monitor Jack The headphone jack is used to monitor the mix of input 1 amp 2 You can adjust the monitor level with the volume knob The headphone jackisa standard 3 5 mm jack process TOUR con evel mix El pur LEVEL Headphone Monitoring Jack Test Tone Use the test tone to transmit a 400 Hz tone Thistone will allow the end userto know if the system istransmitting properly All receivers should be able to hearthis tone if tuned to the proper channel inpuT Levee Listen A 2 POWER Test Tone Button EE 9 Key Concepts in Value Package Setup Antenna placement rear Rear mounted antenna Rear mounting the LA 123 90 Helical Antenna 72 MHz will allow the transmitter to be moved if necessary Q S O O a Maximizing Transmission Range For properand dependable operation Listen receivers need to receive a strong and consistent signal from the Onginating transmitter The following strategies should be used to maximize this signal Transmitting antenna When designing and installing yoursystem kee
25. nput source can be audio from a sound board microphone ora personal audio source like a CD player MP3 player computer DVD etc Audio will be connected into the audio inputs of the Stationary Transmitter Q S O O A Transmitter The LT 803 072 transmitter modulates the audio on an FM canier and transmits the signal via an antenna LT 803 072 Stationary 3 Channel FM Transmitter 72 MHz Antenna The LP 3CV 072 includes the LA 123 90 Helical Antenna This antenna has a BNC connector and should be mounted on the back of the LT 803 072 For further antenna options see page 11 LA 123 90 Helical Antenna Receivers The LR 200 072 receivercapturesthe signal sent from the transmitterand outputs it into the LA 161 Single ear bud Listen offers a vanety of receivers LR 200 072 Standard 3 Channel FM Receiver 72 MHz Input Selection The LT 803 072 has two audio input options Input 1 and Input 2 Input 1 isa balanced connection using eitheran XLR or Yin phono connector and input 2 is two unbalanced phono connectors Use Input 1 if you are using a microphone orif you have a balanced connection such asa professional audio mixer you can also use Input 1 for unbalanced connections Use Input 2 to connect to an unbalanced audio source Key Concepts in Value Package Setup Balanced XLR ora 1 4 in phono connector Unbalanced right and left phono connectors Input 1 Connecting the audio
26. nt is compatible with any other 72 MHz equipment Several transmitters are operating in the same environment Be sure each transmitter is using a seperate frequency A E H Can I have two antenna s connected to my transmitter No The LT 803 072 transmitter can use only one antenna connection at a time You may connect eithera top mount antenna through the top antenna port ora remote antenna connected to the BNC connection on the rearofthe unit If multiple antennasare simultaneously connected to both portsthe transmitter will have extremely poorbroadcast performance and range 3 9 D 3 D 3 lt Frequently Asked Questions Frequently Asked Questions What isthe range of the LT 803 072 transmitter A Line of site up to 1000 ft 304 8 m Does the LT 803 072 include the rack mount A No but an LA 326 Universal Rack Mounting Kit isavailable for purchase Do need a transmitterfor each audio source A Yes Isthere a limit to the number of transmitters can use in one room A Yes a maximum of 3 How many receivers can I have on a system A As many as you want The transmitter simply transmits a signal and you can have as many receivers pick that signal up asnecessary It s like a radio station transmitting and the receivers are the radios tuning into the channel O O O O O What is the warranty of Listen transmitters O A Limited lifetime warranty The following cases will void the waranty e
27. ntour The device shall have an audio processor that iscapable of automatic gain control and limiting The Listen LT 803 072 is specified Specifications LT 803 072 A 72 100 E 72 900 H 75 900 All system specifications are wireless end to end System Frequency Response 50 Hz 15 kHz 3 dB System Signal to Noise Ratio 62 dB A Weighted lt 2 total harmonic distortion THD at 80 deviation Rear panel one 1 Female XLR and in combo connector balanced 0 55 dBu line mic nominal input level Audio Input 1 adjustable 30 21 dBu line mic maximum input level impedance 20k 1k Ohm line mic phantom power 12 VDC Audio Input 2 Rear panel two 2 Phono connectors unbalanced 10 10 dBu nominal input level adjustable 30 dBu maximum impedance 100k Ohms Audio Processing Process Compression can be turned on off Slope internally adjustable from 1 1 to 4 1 Default 2 1 Cuts and boosts frequencies above 5 kHz Comino Co DS Input 1 and input 2 mixed output rear panel two 2 phono connectors unbalanced 10 dBu nominal output level 15 dBu maximum impedance 10 ohm Headphone Output monitor Front panel one 1 3 5 mm 0 14 in stereo connector unbalanced adjustable output level 3 dBu maximum impedance 10 Ohm Power Test Tone on off Channel UP DOWN Input levels Mix level Contour Monitor volume control ET Rear Panel Input 1 Level line mic mic phantom power Input 2 Level 10 10 dBu RF Pow
28. of misuse or if the product has been repaired or modified by anyone otherthan a factory authorized service technician Warranty doesnot cover normal wearand tearon the productorany other physical damage unlessthe damage wasthe result of a manufacturing defect Warranty does not include inbound freight costs Listen is not liable for consequential damages due to any failure of equipment to perform as intended Listen shall bear no responsibility or obligation with respect to the manner of use of any equipment sold by it Listen specifically disclaims and negates any warranty of merchantability or fitness of use of such equipment including without limitation any warranty that the use of such equipment forany purpose will comply with applicable laws and regulations The terms of the warranty are govemed by the laws of the state of Utah In the first ninety days after purchase any defective product will be replaced with a new unit After 90 days Listen will at its own discretion either repair orreplace transmitters and receivers with a new unit ora unit of similartype and condition Product that is not covered under warranty shall be repaired orreplaced with a unit of similar type and condition based ona flat fee This limited warranty prices and the specifications of products are subject to change without notice Contacting Listen If technical service is needed please contact Listen Pre authorization is required before retuming Listen products If
29. p in mind that the location of both the transmitting and receiving antennasiscnticalto maximize broadcast range Minimize the distance and remove any obstructions between the transmitting and receiving antennas Keep transmitting and receiving antennas receiver earphone cord away from metal or conductive objects RF Power switch Position the RF Power switch on the back of the LT 803 072 to full RF Power unless lower power is necessary Low med or high RF power 10 Altemative Options for Value Package Setup Remote antenna The LA 122 Universal Antenna Kit 72 and 216 MHz and the LA 116 Coaxial Dipole Remote Antenna 72 MHz connect to the LT 803 072 and can be placed away from the transmitter for better range They also allow the unit to be rack mounted with the antenna remotely using the LA 326 Universal Rack Mounting Kit Both the LA 122 and LA 116 come with 25 of black coaxial cable RG 58 ATTENTION Long cable runs can result in signal degradation due to the loss characteristics of the cable Minimize cable runs as much as possible or use low loss RG 8 cable LA 116 Coaxial Dipole Remote Antenna 72 MHz Receiver Options Listen offers a variety of portable and stationary receivers Each receiver offers different features to help further cus tomize your FM system ATTENTION The SQ Super Quiet function must be tumed OFF for better audio quality when using the LF803 072 contained in this V
30. pen or removed while the units are charging The charging process generates heat Air ventilation is required It is best to store your charging case atroom temperature away from heat sources and direct sunlight 2 0 Q A 50 EEE EEE Esse 51 Frequency Chart Channel Frequency MHz 72 100 75 900 HM 2 y m D 3 D J lt 2 Q A Troubleshooting Troubleshooting 52 The LT 803 072 has no power Make sure the 12 VDC power transformer is connected to a power source and isconnected to the jack marked Power Input Make sure the PWR button is pressed in There is no audio orthe audio level istoo low 1 Make sure that your audio source is propery connected to Input 1 and or Input 2 The Input 1 or Input 2 switches must be in the correct position forthe appropnate input level Forexample if you are using the output of a mixer on Input 2 the switch should be in the 10 dBu position If it were to be in the 10 dBu position the level would be too low Also check the Input knob to ensure it is properly adjusted You should be able to see illuminated lights on the VU meter on Input 1 or Input 2 corresponding with the input level of the audio source You can listen to the audio source by connecting a headset to the front panel jack and adjusting the Monitor volume control 2 If the level of audio into the transmitter is low and cannot be corrected using the lev
31. products were damaged in shipment please contactthe carrier then contact Listen for replacement or repair requirements pa yable by the carrier All Listen European markets are supported through the Listen Technologies GmbH office located in Oberasbach Germany For more information on Listen solutions contact Listen Technologies at 1 801 233 8992 1 800 330 0891 North America Listen Technologies GmbH at 49 911 955159 0 or visit www listentech c om For Europe Middle East Africa and India office visit www listentech de 14912 Hentagecrest way Listen Technologies GmbH Bluffdale Utah U S A 84065 4818 J asminstr 16 90522 Oberasbach Germany 1 801 233 8992 49 911 955 159 O Europe 1 800 330 0891 North America 49 911 955 159 40 Fax 1 801 233 8995 Fax support listentech de support listentech com www listentech de www listentech com 2 Q Q A 56 SEE EEE Notes Supplementary RE A Notes Meu w jddns 2 amp www listentech com Listen TechnologiesCorporation 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 info Qlistentech com Listen Technologies GmbH J asminstr 16 905 22 Oberasbach Germany 49 911 955159 O EMEAI 49 911 955159 40 Fax www listentech de info Qlistentech de 2008 Listen Technologies Corporation All Rights Reserved 20080129
32. source Input 1 offers a choice of balanced XLR or Yin phono connector Plug an audio source into Input 1 move the input select switch to the type of input source being used Select Line for Line Inputs Mic for dynamic microphonesor Mic PH Power for condenser microphones A balanced feed from a soundboard can also be used with Input 1 Input 2 Connect the audio source Plug yourunbalanced audio source into Input 2 and select the audio level switch for 10 dBu or 10 dBu to match the audio level coming from your equipment eg MD 3 G s o Q S O O a Key Concepts in Value Package Setup Using Multiple inputs The LT 803 072 can accommodate multiple inputs simultaneously with the use of the input level potentiometer When multiple inputs are present both input level lights will be activated Input Level Knob Mix Level The mix level acts asthe master transmit control It will increase the transmit gain on the mix of the two levels if two levelsare in use Mix Level Adjustment amp Key Concepts in Value Package Setup Selecting Transmitting Frequencies Use this section of the guide to choose the channel settings for the transmitter and receivers eg MD 3 G s o Find transmission channel s The goal isto find a transmission channel s that is free from interference Interference comes from transmitters a
33. ssional audio mixer you can also use Input 1 forunbalanced connections Use Input 2 to connect to an unbalanced audio source 6A Input 1 Input 1 offers a choice of balanced XLR or Y in phono connector Plug an audio source into Input 1 move the input select switch to the type of input source being used Select Line for Line Inputs Mic for dynamic microphones or Mic PH Power forcondenser microphones A balanced feed from a soundboard can also be used with Input 1 1 4 in Phono Wiring Balanced Unbalanced RE e Balanced Unbalanced Audio from Audio Audio Top Ring Sleeve n Unbalanced Source Source Addi udi 6B Input 2 Plug your unbalanced audio source into Input 2 and select the audio level switch for 10 dBu or 10 dBu to match the audio level coming from your equipment 24 LT 803 072 Operating Instructions EG Power Unit On proces IN Power Button e 2 Select a Channel Select the transmit channel A E H by pressing the channel select UP DOWN buttons cHANN contour C hannel select UP DOWN buttons powER 3 Lock on Channel Once you determine your transmit channel you can lock the transmitter on that channel To lock a channel hold the Channel Select UP button for 3 seconds until the padlock icon appearson the display To unlock repeat this process and the padlock icon will disappear 25 Ti rs d N LT 803 072 Operating Instruc
34. tions 4 Test Tone if necessary Use the test tone to transmit a 400 Hz tone This tone will allow the receiverto know if the system is transmitting properly All receivers should be able to hearthistone if tuned to the properchannel IN S d E H Test Tone Buttons Adjusting Audio Levels 1 Adjust Audio Input Level Tum the input knob counter cloc kwise to add gain to Input 1 This will decrease gain to Input 2 Tum input knob clockwise to add gain to Input 2 This will decrease gain to Input 1 If you have two audio sources connected to Input 1 and 2 adjust the level of one input using the VU meter then adjust the output level of the otheraudio source Adjust the input level until the left VU meter s occasionally illuminate the red LEDs Illumination of the red LEDs indicates the unit is in limiting Limiting is required so that the unit does not over modulate the transmit signal If you don t want any audio limiting to occur make sure the red LEDs never illuminate If you want a highly limited signal tum the audio gain up so the red LEDs illuminate often AMC ER Audio Input Level Knob amp 26 LT 803 072 Operating Instructions 2 Adjusting the Contour knob Tum the contour knob counter cloc kwise if your audio source is mostly voice Tum the knob clockwise if youraudio source is mostly music The contour knob adjusts the relative equalization of the unit This equalization boosts or cuts frequ
35. ule MONITOR Volume Listen LCD C2 Display Backlit Compression Ratio intemal adjustment MIX Level VU Meter ANTENNA Transmitter i q RF Board Pre emphasis Processing m k MIX LEVEL Green LED 4X 2 A Functionscontroled by on OG of W the CPU Module Ry ee Ee er RF POWER PROCESS CONTOUR N Input 1 VU Meter Input 2 VU Meter rw SE Input Level _ _______ Front Panel MEET NETS 20 ORA _ _ _ _ _Input Level C mic Line Select Mic Phantom Pwr Mic Line a Pwr LL Q Test Tone Button Input Level Q orr 9 ON Front Panel Select Mic Phantom Pwr Mic Line ma A AA V WV idi IE Female XLR 1 4 Phono Phono Combo Connector OO O so 2 Tip 3 Ring W 1 Sleeve INPUT 1 INPUT 2 MIX OUTPUT TESTTONE R d 2 H 22 LF803 072 Quick Input 1 and 2 Adjust audio input levels of Input 1 and Input 2 here Reference Mix Level Shows mixed audio output level Process LED Indicates audio processing mode is active Press and hold the down button for 10 secondsto activate program mode Press Input Level Indicators up button to toggle process On Off Shows audio Input 1 and Input 2 levels Li stem Tod gt U N POWER EST TONE Test Tone Activatesa tone to aid system setup Power Button Tums unit On Off RF Output Indicator Indicates transmitted RF power level Power Input Connect power supply here ANTENNA O 50 Ohms
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