LG Electronics 62SX4D-UB Flat Panel Television User Manual
Contents
1. Audio Controls Indicators Power Physical LR 200 072 A 72 100 E 72 900 H 75 900 3 wide band 6 UV typical 1 uV maximum for 12 dB sinad 005 stability 32 to 122 F 0 50 C Uses earphone cable None FCC Part 15 Industry Canada RoHS All system specifications are wireless end to end 50Hz 15kHz 3dB 62 dB lt 2 total harmonic distortion THD at 8076 deviation 3 5 mm 0 14 in connectors unbalanced 0 dBu nominal output level 16 mW maximum impedance 32 Ohms ON OFF volume Alkaline NIMH batteries channel switch None Red illuminated when unit is on or to indicate charging flashes when batteries are low None Two 2 AA batteries alkaline or NIMH 120 hours alkaline LA 361 75 hours NiMH rechargeable LA 362 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 supply not included LA 202 2 3 mm OD by 0 7 mm ID barrel type connector 7 5 VDC center positive 250 mA Drop in contact points for use with Listen charging cases 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 3 1 oz 88 9 5 2 oz 147 g 5 8 oz 164 g 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 C2. Humidity O to 95 relative humidity non condensing Specifications are subject to change without notification LR 200 072 Block Diagram LCD Display Power Supply CPU Module i Seek 115 230VAC Universal 9 50 60 2 Power Supply F Power 77 nof included ES NIMH 2 AA Batteries ALkaline or NIMH POWER PAZ jii de emphasis 9 de modulation x t VOLUME Us L 3 5 MM Connector O Sleeve O lt Ring r N o T NG N LR 200 072 Quick Reference e 3 5 mm Output Jack Connect a Listen eorphone s here e LED When lit unit is On or charging When batteries are low the LED flashes e On Off and Volume Control Dial ES e Power Charging Port amp e Battery Select Switch Choose the type of batteries being used Alkaline or NiMH Front Door Lock 6 ry select patte NiM t Channel 5 alkaline E H Channel Select Switch 6 There are 3 separate channels A E H available e Battery Compartment Place two 2 AA batteries in compartment Be sure to follow polarity pattern N A CN N m o o gt o 38 gi ee q UC LR 200 072 Setup Instructions 1 Remove the product Remove outer packaging and plastic cover Inspect for physical damage If damage is apparent please contact the dealer from which the product was purchased or Listen Technologies Corporation t
3. e 4 LA 161 Single Ear Bud e 1 LA 304 Assistive Listening Notification Signage Kit e 1 LA 207 12 VDC Power Supply e 1 Installation Guide LA 161 Single Ear Bud LT 803 072 Stationary 3 Channel FM Transmitter LR 200 072 Standard 3 Channel FM Receiver 12 VDC Power Supply This facility is equipped with a hearing assistance system Please as k for a receiver LA 123 90 Helical Antenna LA 304 Assitive Listening Notification Signage Kit Installation Guide Frequency Modulation FM Technology Overview Frequency modulation or FM is a means of transmitting audio using electromagnetic waves This same 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 receiver to 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 LI D e Q Audio Mixer FM Receiver LA 2 Audio Source FM Transmitter System Overview There are four main components to the Value Package the transmitter antenna receiver and input source Input Source The i
4. 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 LT 803 072 Block Diagram 115 230VAC Universal Power 50 60 2 Supply provided 12VDC 13A Power Supply CPU Module MONITOR Volume Listen LCD O Display Backlit Compression Ratio internal adjustment MIX Level VU Meter ANTENNA Transmitter RE Board Pre emphasis Processing uni 00 MIX LEVEL Green LED L o Funcfions confrolled by I On OO or c the CPU Module pato ain gt E ege 5777 E RF POWER PROCESS CONTOUR us Input 1 VU Meter Input 2 VU Meter zu n n ni Input Level i Front Panel KE AMAT E ANANA _ _ _ _ _Input Level O O mic Q une Select Mic Phantom Pwr Mic Line ee C PA dd Pwr EA EN Test Tone Button Input Level Co oe B ON Front Panel Select Mi Phanfom Pwr Mic Line Or v V f Red LED Female XLR 1 4 Phono Phono Combo Connector OO oo 2 Tip 3 Ring W 1 Sleeve NPUT 1 INPUT 2 MIX OUTPUT TEST TONE LT 803 072 Quick Reference Input 1 and 2 Mix Level Shows mixed audio output level 7 1 7 Process LED Indicates audio processing mode is active Press and hold the down button for 10 seconds to activate program mode Press Input Level Indicators up button to toggle process On Off Shows audio Input 1 and Input 2 levels Monitor Jack Plug in earphone s to monitor audio MONITOR li stem
5. INPUT 5 I PROCESS INPUT LEVEL MIX LEVEL CONTOUR X 1 eo omy 4 A N A idis CHANNEL SELECT N T 803 FM Transmitter CN 6 Tes T i Monitor Level est Tone Activates a tone n jo iden 7 6 LCD Display See LCD 3 Monitor m display quick reference OUTPUT volume c D 6 Power Button Turns unit On Off 6 Contour Equalization adjustment a boosts or cuts high frequencies O Mix Transmit Levels Adjusts the amount of 6 Channel Select UP DOWN mixed audio being transmitted 5 7 7 RF Output Indicator EH Buttons also use Indicates transmitted for programming functions RF power level 6 PGM Indicates the unit is in program mode e Channel Display Displays the current channel 69 Lock Icon Indicates the unit is locked on current channel Hold Channel up button for 3 seconds to lock On Off channel Power Input Connect power supply here Input 2 Unbalanced audio inputs stereo or mono Audio Outputs Input 1 and input 2 mixed for a line output 69 Input 2 Level Switch Set switch to match the level of your Input 2 source ANTENNA ch tz INPUT 2 INPUT 1 K 2 MIC PH PWR LINE MIC 0 90 o 60 50 Ohms 6 RF Power Level Low Med or High RF power 6 Input 1 Balanced input e for connection of a line Top Mounted Antenna Output Input 1 Level Switch Set level or microphone 6 RF Antenna Output Screw te
6. This equipment has been certified to comply with the limits for a class B computing device pursuant to FCC and IC Rules In order to maintain compliance with FCC and IC regulations shielded cables must be used with this equipment Operation with non approved equipment or unshielded cables is likely to result in interference to radio and TV reception The user is cautioned that changes and modifications made to the equipment without the approval of manufacturer could void the user s authority to operate B this equipment Xl o Unlu c Lo 9 D 3 gt moja Q lt Warranty and Contact Information Warrantv 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 normal use and conditions for the 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 vears from the date of purchase Listen warrants its Noise Canceling Microphone LA 270 to be free from defects in workmanship and material under normal use and conditions for one year from date of purchase Listen warrants its Charging Carrying Cases LA 311 LA 313 LA 317 LA 318 LA 320 LA 321 LA 322 LA 323 LA 32
7. audio quality when using the LT 803 072 contained in this Value Package WW R zm 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 LR 600 072 Wireless FM Receiver Speaker 72 MHz LI D e e Q Q o o 2 O Na 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 LJ Liste INPUT NITOR iste INPUT www listentech 1 e 2 PROCESS ch 1 2 INPUT LEVEL MIX LEVEL CONTOUR E r MONITOR N 2 MIX LEVEL CONTOUR amp S Ti m e TESTTONE Li LT 803 FM Transmitter e WV Wei 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 JO Listen NUT e O JOD TEST TONE Rack Mount with single unit and external antenna installed NOTE The antenna may need to be remote mounted using the LA 122 Remote Antenna Kit if t
8. exhibiting interference Try different channels until you find a clear channel Please contact Listen for more ideas on 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 order a rack mount kit LA 326 from Listen which offers a security cover that will limit access to the unit lam using another manfactures receiver with the LT 803 072 Listen s 72 MHz equipment 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 either a top mount antenna through the top antenna port or a remote antenna connected to the BNC connection on the rear of the unit If multiple antennas are simultaneously connected to both ports the transmitter will have extremely poor broadcast performance and range 99 c Lo 9 o 3 o moja Q lt Frequently Asked Questions Frequently Asked Questions Q What is the range of the LT 803 072 transmitter A Line of site up to 1000 ft 304 8 m Q Does the LT 803 072 include the rack mount A No but an LA 326 Universal Rack Mounting Kit is ava
9. frequency response of 50 Hz to 15k Hz 3 dB at 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 contour The device shall have an audio processor that is capable of automatic gain control and limiting The Listen LT 803 072 is specified Specifications LT 803 072 A 72 100 E 72 900 H 75 900 005 stability 32 to 122 F 0 50 C 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 1 4 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 Alster eus eue D Input 1 and input 2 mixed output rear panel two 2 A 009077 10 dBu nominal output level 15 dBu maximum Headphone Output monitor Front panel one 1 3 5 mm 0 14 in stereo connector unbalanced adjustable output level 3 d
10. 4 LA 325 to be free from defects in workmanship and material under normal use and conditions for one year from date of purchase All other products and accessories are warranted for 90 days from date of purchase This warranty is only available to the original end purchaser of the product and cannot be transferred Warranty is only valid if warranty card has been returned or online warranty registration has been completed within 90 days of purchase This warranty is void if damage occurred because of misuse or if the product has been repaired or modified by anyone other than a factory authorized service technician Warranty does not cover normal wear and tear on the product or any other physical damage unless the damage was the 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 for any purpose will comply with applicable laws and regulations The terms of the warranty are governed 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 L
11. Bu maximum impedance 10 Ohm Power Test Tone on off Channel UP DOWN Input levels Mix level Contour Monitor volume control mm Rear Panel Input 1 Level line mic mic phantom power Input 2 Level 10 10 dBu RF Power level low mid high Internal Geet Compression ratio for audio processor Programming Process on off Channel lock 1 Input 2 Mix Level VU Indicates Input 1 Input 2 and Mix audio levels 10 segment LED s 8 green 2 red LT Indicated bv a green LED when on front panel RF fm Indicated on the LCD low mid high LCD Channel designation lock status RF Power Level programming front panel TestTone 0 Tone Red LED illuminates vvhen 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 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 Rack Mounting LA 326 Temperature Operation
12. arity shown in the battery compartment and again verifying that the BATTERY SELECT switch is in the correct position for the batteries you are using Alkaline should be selected for all battery types other than NiMH va D pr NOTE Listen provides industrial strength AA alkaline batteries LA 361 and high performance AA Nickel Metal Hydride batteries LA 362 These may be purchased from your Listen dealer n Connect an Earphone or Headset Your 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 CN N Co o o gt oz 40 o ee ers NN Q LR 200 072 Setup Instructions Turn the Unit On Receivers are turned on by rotating the volume dial counterclockwise The red LED on top of the unit will illuminate If it does not make sure you have installed the batteries correctly and that you are using fully charged batteries 8 Adjust the volume control Use the control dial on the top of the unit to adjust the volume to a comfortable level r ge N o NG N Accessories for LR 200 072 Accessories 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 Behind the Head Stereo Headphones LA 171 Noise Canceling Headphones Power Charging Supplies LA 202 Power Charging Sup
13. e 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 level input switches the audio processor can be turned on to boost the signal see page 28 for description of Process Mode The audio is disforfed Check to make sure you have the input level select switches in the proper position You may be providing too much audio level for the input stage to handle There is hum in the audio Make sure you have properly grounded the audio source to the LT 803 072 Check the 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 or to 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 turn off the tone The Audio Input 1 sounds tinny If you are using an unbalanced audio source make sure Pin 3 on the XLR or the ring on t
14. echnical support for assistance refer to page 55 for contact information Open the front access door If locked use a small screwdriver to unlock the door locks on both sides of the unit To unlock the door rotate the lock turn counterclockwise Grip the two tabs with your thumb and index finger and pull the door downward DO NOT place batteries in the unit at this time Bi 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 r x N T o NG N u Battery Select Switch WARNING Do not place the BATTERY switch in the NiMH position if you are not using Nickel Metal Hydride Batteries The NiMH position will attempt to charge any batteries in the unit even ifthey are not the proper type Charging non Nickel Metal Hydride NiMH batteries will result in physical harm destruction of property and or fire CAUTION If you are using any battery type other than rechargeable Nickel Metal Hydride NiMH batteries make sure the BATTERY selection switch is in the alkaline position 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 E Place Batteries in Unit Insert two AA batteries making note of the battery pol
15. ementary Notes A pyuswaiddns Wien www listentech com Listen Technologies Corporation 14912 Heritagecrest Way Bluffdale Utah 84065 4818 U S A 1 801 233 8992 1 800 330 089 North America 1 801 233 8995 Fax www listentech com info listentech com Listen Technologies GmbH Jasminstr 16 905 22 Oberasbach Germany 49 911 955159 O EMEA 49 911 955159 40 Fax www listentech de info listentech de 2008 Listen Technologies Corporation All Rights Reserved 20080129
16. entioned 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 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 This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e 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 dealer or an experienced radio TV technician for help
17. er normal use Q What is the warranty of Listen recievers A Limited lifetime warranty The following cases will void the warranty Misuse dropping or any other noticeable cosmetic damage e Charging alkaline batteries instead of NiMH e Overheating the charging process by closing the lid on the charging case e e m o o o o 2 54 zz 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 harmful interference and 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 harmful 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 services to the ill law enforcement tracking services under agreement with a law enforcement agency or automated maritime telecommunications system AMTS network control communications Two way voice communications and all other types of uses not m
18. erence 38 Setup Instructions 39 Accessories 42 Notes 43 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 Quick Reference Card LR 200 072 Standard 3 Channel FM Receiver 72 MHz LR 200 072 36 LR 200 072 Specifications Architectural Specification The FM receiver shall be capable of receiving on three wide band channels The receiver shall have a SNR of 62 dB or greater The device shall have an audio frequency response of 50 Hz to 15 KHz 3 dB at 72 MHz The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo eorphoner s The unit shall operate with 2 AA batteries The receiver shall incorporate automatic battery charging circuitry for recharging of NIMH batteries The device shall have a switchable option for the use of 2 alkaline or 2 NIMH batteries The Listen LR 200 072 is specified Specifications RF Channel NENE NumberofChannels l Channels E Accuracy EL A Compliance System Frequency Response System TN to Noise Ratio System Distortion Distortion Output User User Controls Set up Controls battery BER i Programming 7 LCD Display Battery Type Battery Life ETT Batteries Battery Charging Battery Charging NiMH only only Power Supply Power Supply Connector Power Supply Compliance
19. erence comes from transmitters and 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 check for interference is to turn the LR 200 072 on and listen to each channel Transmit on the channel that has the 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 jack is a standard 3 5 mm jack process R M ve ix L Ee l Headphone e Monitoring Jack powER Test Tone Use the test tone to transmit a 400 Hz tone This tone will allow the end user to know if the system is transmitting properly All receivers should be able to hear this tone if tuned to the proper channel C est TONE Test Tone Buttone 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 o 9 O Lei 2 o Q Maximizing Transmission Range For proper and dependable operation Listen receivers need to receive a strong and consistent signal from the originating transmitter The following strategies should be used to maximize this signal Transmitting antenna When designing and installing your
20. hannel select UP DOWN buttons s 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 appears on the display To unlock repeat this process and the padlock icon will disappear 25 LT 803 072 Operating Instructions 4 Test Tone if necessary Use the test tone to transmit a 400 Hz tone This tone will allow the receiver to know if the system is transmitting properly All receivers should be able to hear this tone if Tuned to the proper channel N N co O eo gt powER Test Tone Buttone Adjusting Audio Levels m Adjust Audio Input Level Turn the input knob counter clockwise to add gain to Input 1 This will decrease gain to Input 2 Turn 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 other audio 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 Limifing 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 turn the audio gain up so the red LEDs illum
21. he 4 in plug is grounded I cannot pick up the signal on the receiver Check to make sure the receiver and the transmitter are on the same channel Make sure the LT 803 072 has an antenna connected Ensure that the receiver has an earphone connected I can pick up the signal on the receiver but it sounds like if s not tuned in Check to make sure the transmitter and receiver are on exactly the same channel It s a good idea to lock the channels once they have been set To lock the LT 803 072 press the UP button for 3 seconds There is not sufficient range First make sure that the receivers you are using are operating properly then make sure that you have an antenna connected either to the top of the LT 803 072 transmitter or connected to the back of the unit but not both The antenna should be as high as possible and free of obstacles In addition make sure you are using the correct antenna type for your unit 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 mast or wall Try using different frequencies to find one with less interference see page 25 for information regarding channel selection Troubleshooting Troubleshooting There is interference in my transmission Ensure that the transmitter and receivers are on the same channel Verify that there are no other transmitters on the same channel or a close channel to the one
22. he transmitter s is rack mounted If a rack is metal it is not recommended to have the antenna inside Also the depth of the rack and equipment inside could prevent an antenna from being placed inside Design Guide Notes 13 Notes SPINS uBiseq 14 Listen Value Package eg www listentech com LT 803 072 Stationary 3 Channel FM Transmitter iss a single sound N N co O eo i LT 803 072 User s Manual Table of Contents Specifications Block Diagram Quick Reference Setup Instructions Operating Instructions Accessories Notes Listen Configurations e LT 803 072 01 North America e LT 803 072 02 Asia UK e LT 803 072 03 Euro 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 Channel FM Transmitter 12 VDC Power Supply Quick Reference Card N N E co O ei gt LT 803 072 Specifications 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 72 200 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
23. iMH NICKEL METAL HYDRIDE with your Listen equipment Alkaline batteries may explode when connected fo a charger Other risks of charging non NiMH batteries include destruction of property or fire 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 or small screwdriver to move the switch located in the battery compartment fo the proper position e jum o o o o v WARNING The case lid MUST be open or removed while the units are charging The charging process generates heat Air ventilation is required It is best to store your charging case at room temperature away from heat sources and direct sunlight zz Z zz 50 ss Xl o Unlu l Frequency Chart Channel Frequency MHz 72 100 72 900 75 900 e c Lo 9 D 3 D Q lt z O u c o o Q Q v Troubleshooting Troubleshooting 52 The LT 803 072 has no power Make sure the 12 VDC power transformer is connected to a power source and is connected to the jack marked Power Input Make sure the PWR button is pressed in There is no audio or the audio level is too low 1 Make sure that your audio source is properly connected to Input 1 and or Input 2 The Input 1 or Input 2 switches must be in the correct position for the appropriate input level For example if you are using th
24. ilable for purchase Q Do need a transmitter for each audio source A 165 Q Is there a limit to the number of transmitters can use in one room A Yes a maximum of 3 Q How many receivers can 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 as necessary It s like a radio station transmitting and the receivers are the radios tuning into the channel Q What is the warranty of Listen transmitters A Limited lifetime warranty The following cases will void the warranty Misuse dropping or any other noticeable cosmetic damage Q 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 door of 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 dB on Listen s other receivers Q Can the LR 200 be used with the LT 800 0722 A Yes The SQ function on the transmitter must be turned off and the transmitter can only be used with one of the three optional frequencies A E H Q Can the LR 200 be used with the LT 700 0722 A No Q What is the battery life of the LR 200 072 A 120 hours alkaline 75 hours NiMH Q What is the charge time of the LR 200 072 using two 2 NIMH batteries A 10 12 hours und
25. inate often Audio Input Level Knob e 26 LT 803 072 Operating Instructions z Adjusting the Contour knob Turn the contour knob counter clockwise if your audio source is mostly voice Turn the knob clockwise if your audio source is mostly music The contour knob adjusts the relative equalization of the unit This equalization boosts or cuts frequencies above 5 kHz 220 608 1 gest roNE powER Contour Knob e Bi Adjust Mix Level Adjust the mix level until the right VU meter occasionally illuminates the red LED This is the level adjustment for the combined output from Input 1 and Input 2 INPUT 2 e O TEST TONE powER Mix Level Adjustment Knob e 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 or lowering the signal level accordingly This teature should be used in applications where a consistent sound level is important and the input levels vary substantially Typically you would not want to engage the Process Mode when a speaker s emphasis is critical to the message they are conveying CN m co gt eo W I 2 Listen 4 al P powER Process e 28 SSS EEE Accessorie
26. isten will at its own discretion either repair or replace transmitters and receivers with a new unit or a unit of similar type and condition Product that is not covered under warranty shall be repaired or replaced with a unit of similar type and condition based on a 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 returning Listen products If products were damagedi in shipment please contact the carrier then contact Listen for replacement or repair requirements payable 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 com For Europe Middle East Africa and India office visit www listentech de 14912 Heritagecrest way Listen Technologies GmbH Bluffdale Utah U S A 84065 4818 Jasminstr 16 90522 Oberasbach Germany 1 801 233 8992 49 911 955 159 0 Europe 1 800 330 0891 North America 49 911 955 159 AO Fax 1 801 233 8995 Fox support listentech de support listentech com www listentech de www listentech com e m o 0 o Qo 2 56 wise ee ers sisi Notes Suppl
27. li T M Value Package sien www listenrech com Value Package Design Guide and Manual iss a single sound Dear Valued 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 quality standards and back them with a limited lifetime guarantee We stand ready to answer any questions you might have during installation or in the operation of our products Should you experience 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 fo listen Here s how to reach us 1 801 233 8992 1 800 330 089 1 North America 1 801 233 8995 fax support listentech com www listentech com Thank you and enjoy your listening experiencel Best regards Russell Gentner and the Listen Team e In the few instances where repairs were needed 99 of all clients indicated that they were happy with repair turn around times and 8576 of the time clients were without their product for less than 10 days Overall client satistaction of working with Listen was rated 4 8 out of 5 Please co
28. nput source can be audio from a sound board microphone or a personal audio source like a CD player MP3 player computer DVD etc Audio will be connected into the audio inputs of the Stationary Transmitter e O Na Transmitter The LT 803 072 transmitter modulates the audio on an FM carrier 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 receiver captures the signal sent from the transmitter and outputs it into the LA 161 Single ear bud Listen offers a variety of receivers LR 200 072 Standard 3 Channel FM Receiver 72 MHz Key Concepts in Value Package Setup Input Selection The LT 803 072 has two audio input options Input 1 and Input 2 Input 1 is a balanced connection using either an XLR or 4 in phono connector and input 2 is two Unbalanced phono connectors Use Input if you are using a microphone or if you have a balanced connection such as a professional audio mixer you can also use Input 1 tor unbalanced connections Use Input 2 to connect to an unbalanced audio source Balanced XLR or e 1 4 in phono connector Unbalanced right and left phono connectors Input 1 Connec
29. ntinue with your excellent attitude toward customer satisfaction You guys are great l ve never had 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 Valve Package Table of Contents Design Guide FM Technology Overview System Overview Key Concepts in Value Package Setup Alternative Options for Value Package Setup Notes LT 803 072 Stationary FM Transmitter Specifications Block Diagram Quick Reference Setup Instructions Operating Instructions Accessories Notes LR 200 072 FM Receiver Specifications Block Diagram Quick Reference Setup Instructions Accessories Notes Supplementarv Information Batterv Charging Information Frequency Chart Troubleshooting Frequently Asked Questions Compliance Warranty and Contact Information Notes SPINS ubisaqg 2210 208 1 r ep N o NG N lmjuauajddns U Licten Value Package Design Guide www listentech com Valve Package Design Guide Table of Contents FM Technology Overview System Overview Key Concepts in Value Package Setup Alternative Options for Value Package Setup Notes J M 2 Q Q M LO NO Cn Valve Package Contents e 1 LT 803 072 Stationary 3 Channel FM Transmitter e 4 LR 200 072 Standard 3 Channel FM Receiver e 1 LA 123 90 Helical Antenna
30. ormation Freguency Chart Troubleshooting Frequently Asked Questions Compliance Warranty and Contact Information Notes 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 will be charged The entire charging process takes 10 12 hours under normal conditions During the charging cycle the red LED on top of the Listen product will remain 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 is not on the charger the battery will lose up to 2076 of its charge per month NOTE Listen provides 2300 mAH milli Amp hour constant current NiMH Nickel 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 batteries are being charged If the battery select switch is in the NiMH position and NiMH batteries are placed inside IMPORTANT DO NOT ATTEMPT TO CHARGE ANY TYPE OF BATTERY OTHER THAN N
31. ply for FM Portable Products Cables LA 265 Consumer Camcorder Cable LA 266 Professional Camcorder Cable LA 275 Sacrificial Cable Charging Carrying Cases with Removable Lid LA 311 01 16 Unit Portable FM Product Charging Carrying Case North America LA 317 01 4 Unit Portable FM Product Charging Carrying Case North America LA 321 01 8 Unit Portable FM Product Charging Carrying Case North America LA 323 01 4 Unit Portable FM Product Charging Carrying Case w Removable Lid North America LA 324 01 8 Unit Portable FM Product Charging Carrying Case w Removable Lid North America LA 325 01 16 Unit Portable FM Product Charging Carrying Case w Removable Lid North America LR 200 072 Carrying 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 Miscellaneous LA 330 Portable Unit Lanyard LA 361 High Capacity AA Alkaline Batteries 2 LA 362 Rechargeable AA NiMH Batteries 2 42 Notes LR 200 072 43 Notes 6 0 00c 91 44 Listen Value Package B www listentech cor Supplementary Information niss a single sound O um c o o Q Q N 48 Supplementary Information Table of Contents Battery Charging Inf
32. puts The LT 803 072 has two 2 audio input options Input 1 and Input 2 Input 1 is a balanced connection using either an XLR or 4 in phono connector Input 2 has two unbalanced mixing phono connectors Use Input 1 if you are using a microphone or if you have a balanced connection such as from a professional audio mixer you can also use Input 1 for unbalanced connections Use Input 2 to connect to an unbalanced audio source 6A Input 1 Input 1 offers a choice of balanced XLR or 4 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 for condenser microphones A balanced feed from a soundboard can also be used with Input 1 XLR Wiring 1 4 in Phono Wiring Balanced Unbalanced 4 Input from p d Top Ring Sleeve Balanced Unbalanced Audio from Audio Audio Unbalanced Source Source i 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 1 Power Unit On proces uni Y co o NG N Power Button 2 Select a Channel Select the transmit channel A E H by pressing the channel select UP DOWN buttons Wd WA At F OUR coNT ix LEVEE input LEVEL C
33. rminal for top switch for line or mic accepts either a XLR or BNC connector for lihi antenna level Phantom power 4 phono plug antenna 50 Ohm available in Mic PH power position 22 RE LT 803 072 Setup Instructions m Unpack the Product Remove outer packaging and plastic cover Verify all components are present and no physical damage has occurred to the product 21 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 uni Y co m o NG N H Connect Antenna Connect antenna to rear of transmitter 4 Connect Power Plug the power supply into the power connector on the back panel Plug the power supply into an outlet Only use a Listen approved power supply 12 VDC N N co O eo LT 803 072 Setup Instructions 5 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 number of dots above Listen logo The amount of transmitted RF power that you will need depends on your application If you are operating multiple transmitters in the same environment it is best to set the transmitter s output power to its lowest level to reduce the possibility of interference e Low Med or High RF power Connect Audio In
34. s for LT 803 072 Accessories Antennas LA 80 2 Way RF Antenna Combiner LA 81 4 Way RF Antenna Combiner LA 82 6 Way RF Antenna Combiner LA 101 Helical Top Mounted Antenna 72MHz LA 106 Telescoping Top Mounted Antenna 72 MHz LA 116 Coaxial Dipole Remote Antenna 72MHz LA 122 Universal Antenna Kit 72 and 216 MHz LA 123 90 Helical Antenna 72 MHz LA 125 Antenna Kit for Rack Mount 72 MHz Power Suppl 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 fft LA 113 RG 8 50 Ohm Low Loss Coaxial Cable Per fft 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 co O mi o Y N Notes SPINS uBiseq 30 yo i Listen Value Package www listentech com LR 200 Standard 3 Channel FM Receiver iss a single sound CN N E o o gt o 34 LR 200 072 User s Manual Table of Contents Specifications 36 Block Diagram 7 3 Quick Ref
35. system keep in mind that the location of both the transmitting and receiving antennas is critical to 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 e Low med or high RF power Alternative 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 122 Universal Antenna Kit 72 and 216 MHz 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 turned OFF for better
36. ting the audio source 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 for condenser microphones A balanced feed from a soundboard can also be used with Input 1 Input 2 Connect the audio source 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 N e e Q Q o 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 e O Na a INPUT 2 E O zest TONE Input Level Knob e Mix Level The mix level acts as the master transmit control It will increase the transmit gain on the mix of the two levels if two levels are in use Mix Level Adjustment e 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 LI D e e Q Q Find transmission channel s The goal is to find a transmission channel s that is free from interference Interf
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