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Stationary IR Manual.indd

1. 42 44 Users Manual Table of Contents LR 42 LR 44 4 Channel IR Receivers Specifications 87 LR 42 Quick Reference Page 89 LR 44 Quick Reference Page 90 Setup Instructions 91 Operating Instructions 95 Locking Instructions 101 Programming Instructions 102 Programming Examples 107 Programmable Features Detailed Descriptions 110 Battery Charging Information 111 Accessones for LR 42 LR 44 115 LR 42 44 Package Contents e LR 42 IR Stethoscope 4 Channel Receiver or LR 44 IR Lanyard 4 Channel Receiver e Quick Reference Card Listen Part Number e LR 42 e LR 44 LR 42 IR Stethoscope Receiver Spec fc ations Architectural Specification The IR stethoscope receiver shall be capable of receiving on fourcamers 2 3 2 8 3 3 3 8 MHz and the channel shall be displayed on one of four front panel LEDs The receiver shall be capable of being locked ona channel The receiver shall be capable of receiving a stereo signal on each of the fourcamers The receiver shall have a SNR of 60 db orgreater and have built in squelch control The device shall have an audio frequency response of 63 Hzto 15 kHz 3db and shall have distortion of lessthan 2 The device shall operate for 30 hours with two AAA alkaline battenesand 15 hours with two AAA NiMH rechargeable battenes The receiver shall be covered by a limited lifetime warranty The LR 42 is specified Specifications LR 42 Selectable 2 3 MHz 28 MHz 3 3 MHz 3 8 MHz Number of Channels F
2. 1 2 Using the functionality chart on a previous page note that this isthe Stereo On Off Function El Press the Select Button five times until the unit displays 2 3 1 4 Pressthe Power Button to resetthe unit The unit will flash the four LED sthree timesand then shut down It willbe necessary to manually tum the unit back on aftera reset Programming Examples Example 5 I want to tighten the squelch setting to setting 10 En Enter Program Mode IB When program mode is entered the first function is active and the LED s will show 2 3 1 Using the functionality charton a previouspage note thatthisisthe Stereo On Off Function E Press the Select button three times so the LED s show 2 3 1 Note that this is the Squelch Adjustment Function 4 Press the Power button to enterthe Squelch Adjustment Sub Mode 5 Upon entry to the Squelch Adjustment Sub Mode the LED s will show which squelch setting is currently selected if the unit is at default settings the unit will display representing a squelch setting five 2 3 A 1 a Pressthe Select button to scroll through the 16 squelc h settings until the unit displa ys 2 3 4 1 Press the Power button to sa ve this setting and retum to regular program mode 8 Exit Program Mode 109 Programmable Features Detailed Desc nptions Stereo Mode Default is OFF Stereo Mode Function This function must be set to match the type
3. A 140 G Grey LA 4 WH Whi Unit Weight 2 1 lbs 95 kg Unit Weight with Wall Ceiling 2 35 Ibs 1 05 kg Mounting hardware Shipping Weight 4 0 Ibs 1 8 kg Temperature Operation 10 C 14 F to 40 104 F Environmental Temperature Storage 20 C 4 F to 50 122 F Humidity 0 to 95 relative humidity non condensing Output Physical Specifications are subject to change without notification LA 140 Quick Reference No Connection Yellow This yellow LED is lit when the radiator isnot connected toa transmitter or radiator 69 C a rer Present Green This green LED is lit when there is signal present to the ra diator During normal operation the red and green LEDs will be continuously lit Power Red This red LED is lit when there is power to the radiator Y RF Input Input RF signal from a transmitter or radiator here 6 RF Output Output RF signal to an additional radiatorhere Power Output Output povver here 69 Power Input Connect powerhere LED Indicator Shutoff Switch SW1 Controls LED indicators on front of radiator If switch isset to the OFF position LEDs will not light up on front of radiator Delay Compensation Switch q Adjust the amount of signal delay from the radiator here In single 6 Compatibility with Other Manufacturer s radiator systems the postion O Termination Switch If there is no 777 7 illa of this svvitch does not matter R
4. A O CI A Cables length in feet Cable EAS a r r r rrrJJ Cable 8 Cable9 Cable10 CIT A Cable12 Note Each radiator includes 25 feet 7 6 meters of RG 58 coaxial RF cable and CAT 5 power supply cable Stetho Receiver Rechargeable Battery Pack Alkaline Batteries Replacement Eartips 20 Stetho Part Number LR 42 LA 364 LA 363 LA 151 Receiver Quantity Stereo 5 Speaker Head Behind the Neck loop Single Ear Dual Ear Headphones Bud Buds Lanyard phones Receiver Part Number LR 44 LA 364 2 1A 164 LA 165 LA 170 LA 166 LA 161 m o 8 Unit Charging Storage Station 8 Unit Storage Station ZI Charging Storage Stations Part Number LA 350 01 LA 350 02 O E Receivers Recharge Alkaline able Battery Batterie Pack Lanyard Description x p Receiver ADA Compliance Signage Kit US Only Other Accessories Part Number LA 304 amy 1 27 Listen Stationary IR www listentech com y o ch R H TRANSMIT LEVEL CONTOUR m TEST T NE CHANNEL SELECT 11 82 IR Transmitter LT 82 Stationary IR Transmitter iss a single sound LT 82 Users Manual Table of Contents Specifications 35 Block Diagram 36 Quick Reference Page 37 Setup and Operating Instructions 38 Accessones for LT 82 43 LI 82 Package Contents e LT 82 IR Transmitter e LA 205 Power Supply e LA 89 IR Interconnection Cabl
5. Arm A Tilt Arm B Tilt Bolt Comer Mount Bracket Universal Stand Nut Wall Box Plate Mounting Screws 2 Hollow Wall Anchors with Screws 3 of each Mounting Hardware Screws 10 Secunty Cable attached to radiator Tilt Bolt Wall Box Plate Mounting Screws Hollow Wall Anchors with Screws Universal Bracket Comer Mount Bracket Tilt Arm A Tilt Arm B Universal Sand Nut Mounting Hardware Screws Wall Box Plate 58 LA 140 Mounting your Radiator Wall Box Mounting The wallbox mount isa preferred mounting option forthe LA 140 IR Radiator The wallbox mount al lows secure mounting of the radiator as well as for allowing the necessary cablesto be placed inside the wall Pieces Used e Wall Box Plate e Mounting Hardware Screws e Tilt Arm A e Tilt Arm B e Tilt Bolt e Mounting Hardware Screws Installation Steps Wall Box Plate Tilt Bo It Wall Box Plate Mounting Screws J Tilt Arm A Tilt Arm B Mounting Hardware Screws EN Screw Wall Box Plate to wall Screw Wall Box Plate to wall box using included Mounting Hardware Screws o x El Attach Tilt Arm A Attach Tilt Arm A to Wall Box Plate using included Mounting Hardware Screws Attach Tilt Arm A in such a manner that it sits across Wall Box Plate not up and down on plate ES Attach Tilt Arm B Attach Tilt Arm B to Swing Arm of radiator swing
6. Input 2 Input lisa balanced connection using eitheran XLR or 1 4 phono connector Input 2 hastwo unbalanced mixing phono connectors Use Input 1 if you are using a microphone orif 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 8A If using Input 1 C onnect the audio source s to one or both audio input connections Input 1 offersa choice of balanced XLR or 1 4 phono connector Plug your microphone into Input 1 and move the input select switch to Mic fordynamic microphones or Mic PH Power for condenser microphones Plug your balanced or unbalanced audio source into Input 1 Use the following diagram 1 4 Phone Wiring Balanced Unbalanced ua A Top Ring Sleeve Balanced Unbalanced Audio from Aud l Aud lo Balanced Unbalanced Source Source Audio Audio Source Source 353 If using Input 2 Plug yourunbalanced audio source into Input 2 and select the audio level switch for 10d Bu or 10d Bu to match the audio level coming from your equipment ATTENTION When using Input 1 and Input 2 simultaneously the audio signals will mix together Input 1 will mix with both left and nght signals of Input 2 Ed Test Tone if necessary To broadcasta test tone pressthe test tone button This helpsto test receivers when no audio source is available 41 LI 82 Se
7. Overall client satisfaction of working with Listen wasrated 4 8 out of 5 Please continue with your excellent attitude toward customer satisfaction You guys are great 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 Stationary Infrared Table of Contents i Y G 0 Design Guide Infrared Technology Overview System Overview Designing a System Design Tools LT 82 Stationary IR Transmitter Specifications 35 Block Diagram 36 Quick Reference Page 37 Setup and Operating Instructions 38 Accessones for LT 82 43 LA 140 IR Radiator Specifications Quick Reference Page Setup Instructions LED Indications Mounting your Radiator Accessones for LA 140 LR 42 LR 44 4 C hannel IR Receivers Specifications 87 LR 42 Quick Reference Page 89 LR 44 Quick Reference Page 90 Setup Instructions 91 Operating Instructions 95 Locking Instructions 101 Programming Instructions 102 Programming Examples 107 Programmable Features Detailed Descriptions 110 Battery Charging Information 111 Accessones for LR 42 LR 44 115 LA 350 LA 351 8 Unit IR Receiver Storage Charging Cases LA 350 Specifications and Features LA 351 Specifications and Feature LA 350 Charging Requirements Instructions Cord Tidy Rack Supplementary Information Tro
8. See next page for instructions Toggles Auto Seek On Off LED 4 Auto Seek Advancesto Feature 4 illuminated indicates Auto Seek is ON default off Enters Squelch Adjustment Advancesto Feature 5 Sub Mode See page 105 Advancesto Feature 6 No Function l Unit fla shes all LED s 3 times Reset to Defaults Advances to Feature 7 indicating reset and then the unit shuts off Exits Program Mode and retumsto Retumsto Feature 1 standard operating mode LR 42 44 Programming Instructions Channel Lock Out Sub Mode Instructions While in Channel Lock Out Sub Mode The channelsthat would be available are represented by the corresponding channel indicator LED being on and the channelsthat would be locked out are represented by the channel indicator LED being off Ei Pressthe Select button to advance to the next channel s active combination Press the Power button to save the selected channel s active combination and retum to regular mode the Auto Seek function will be the selected feature Channel Lock Out Sub Mode Functionality Diagram Use this chart to help with navigating through and adjusting the channels active within the Channel Lock Out Sub Mode Channels Navigating within the Channel Lock Out Sub Mode Receiver LED Display Shows Active Pressing the Select Button Pressing the Povver Button 8 3 9 3 Y 3 4 Adv
9. can be interconnected to create up to a four channel system Up to four LT 82 transmitters can be interconnected to create up to a four channel system For the system there are two RF outputs provided for connection to the radiators Each of these two outputs is referred to as the Radiator Daisy Chain RG 58 coaxial cable is used to interconnect the RF in the radiator daisy chain You can connect asmany radiators in the daisy chain as you need NOTE Adding additional transmitters will decrease radiator coverage Each radiator requires one RF RG 58 coax connection and one power CAT 5 connection Each radiator requires one RF RG 58 coax connection and one power CAT 5 connection The RF connection can come from a transmitter or from another radiator The power connection can come from eithera transmitter a radiatororfrom a power supply aslong as you don t exceed the capacity Listen has provided mounting hardware for most LA 140 mounting situations To make it easy for you to design specify and installa system Listen has provided mounting hardware for most mounting situations including wall ceiling comer desk tipod and mic stands To double the radiation power you can vertically or honzontally mount two radiators together using the LA 342 dual radiator mounting brackets This includes coaxial RF and CAT 5 powercables It is possible that the RF signal arrives to different radiators at different times Due to the higher m
10. following in mind e n open space when there are no reflective surfaces IR is line of sight If the receiver cannot see light from the radiator it will not receive the audio signal It is important to provide sufficient IR coverage within a facility so users will not have drop outs of the IR signal This design guide will help you do this e In facilities that have reflective and lighter colored surfaces the IR light will be reflected and you can achieve greatercoverage Forexample when emitting in a very large room like an exhibit hall you will notice that you need to point the receiver directly atthe radiatorto pickup the signal However when the radiator is placed in a smaller room for example 50 ft 14 6 m square with white walls you will experience much better coverage This is because the IR signalis being reflected in many different directions increasing coverage e Listen systems use higher modulation frequencies that make the system less susceptible to light interference from fluorescent lights and other sources However the system is not immune from interference from sources that create IR light such assunlight and plasma displays e Listen products are compatible with other manufacturers who use the same modulation frequencies 2 3 2 8 3 3 3 8 MZ Design Guide System Overview There are three main components of any Stationary IR system the transmitter radiator emitter and receiv ers LT 82 Tra
11. hasoccuned to the product A Determine Battery Type to be Used Alkaline Battenes If using alkaline battenes install them in alkaline battery compartment attached to rear of unit using the following process purchase Listen part number LA 363 E Remove alkaline battery compartment Press d on compa rtment a nd push towa he bottom of unit 0682 Model 4 Channel IR Recei eiver FCC This device complies with Part 15 of the FCC Rules IC This Class A digital apparatus complies with Canadian ICES 003 Listen Support 800 330 0891 801 233 8992 www listentech com 2 Open battery compartment Open by pulling into two pieces using the gripson the top of the compartment E Install batteries Insert two AAA alkaline battenes in compartment noting polarity Gz 4 Close battery compartment Snap the two compartment pieces back together 5 Return battery compartment to rear of receiver Place battery compartment on rear of receiver 91 LR 42 44 Setup Instructions 2B Rechargeable NiMH battenes To use rechargable NiMH batteries in the receiver you will need to purchase an NiMH rechargeable battery pack Listen part number LA 364 IMPORTANT Do not install AAA NIMH batteries in included alkaline battery pack because the batteries will notcharge in this pack only use a Listen provided sealed battery pack LA 364 for battery charging Install LA 364 battery pack using th
12. in LED sleep mode El Pressand hold the Powerand Select buttons forthree seconds El When program mode isentered all four LEDs will flash once indic ating successful entry into program mode Immediately after the LEDs flash the channel one LED will come on This represents the first of the programmable features the Stereo On Off function While in Program Mode The Channels 1 2 and 3 LED indicators are used to display which programmable feature is currently selected The Channel 4 LED indicatorshows whetherthe Stereo On Off and Auto Seek features are enabled ordisabled If the Channel 4 LED ison these features are enabled EJ Pressthe Select button to advance to the next program mode feature Press the Power button to Enable or disable the Stereo On Off and Auto Seek Features or Enter the program sub mode required to adjust the Channel Lock Out and Squelch features Hs 102 LR 42 44 Programming Instructions Program Mode Functionality Diagram Use thischartto help with navigating through and adjusting the features within the program mode Navigating within the Program Mode Programmable 5 Receiver LED Display Shows i Feature 1551 Pressing the Povver Button Select Button mi Toggles Stereo On Off LED 4 Stereo On Off 5 Advancesto Feature 2 illumina ted indicates stereo isON default off 2 m Enters Channel Lock Out Channel Lock Out 4 3 Advancesto Feature 3 Sub Mode
13. misuse or if the product has been repaired or modified by anyone other than a factory authorized service technician Warranty does not cover normal vvear and tear on the product orany other physical damage unlessthe damage vvasthe result ofa manufacturing defect Listen is not liable for consequential damagesdue 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 wananty of merchantability or fitness of use of such equipment including without limitation any warranty that the use of such equipment for any Au nom 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 purc hase any defective product will be replaced with a new unit After 90 days Listen will at its own discretion either repairorreplace 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 on a flat fee Contact Listen for details This limited warranty prices and the specifications of products are subject to change without notice Contacting Listen If technical service isneeded please contact Listen Pre authonzation is required before retuming Listen products If products were damaged in shipm
14. the channel selection process IMPORTANT Always wear the receiver in such a way that there is nothing covering the front lens of the receiver If the front lens is covered or obstructed the receiver will have very poor range 95 LR 42 44 Operating Instructions BY iraz Position the receiver so the stethoscope am tips rest in the ear holding the unit below the chin of the user 215 Position the lanyard around the neck holding the unit below the chin of the user If desired pull on the lanyard adjustment ball to decrease the size of the lanyard loop bringing the unit closer to the user s chin To increase the size of the lanyard loop pull on the lanyard cord above the point it passesthrough the receiver 96 A A LR 42 44 Operating Instructions ES Turn the Unit On Tum on the unit by pressing either button on the front of the receiver ATIENTION 1 The LR 44 model must have a headset connected to the unit to tum on and remain on for longerthan ten seconds ATIENTION 2 If using a new LA 364 NiMH battery pack the batteries may need to be put through one charge cycle before they will tum the unit on BA Auto Seek Disabled Default OFF The unit will powerup to the same channel that it was on when it was last tumed off 3B Auto Seek Enabled The unit will power up to the same channel that it was on when it was last tumed off If no signalis present on that channel it will seek fora channel with signal prese
15. wall insta lla tion still requires the Wall Box Plate to be used Wall Box Plate 15 Tilt Bolt Hollovv VVall Anc horsvvith Screvvs Pieces Used e Wall Box Plate e Hollow Wall Mounting Screws e Tilt Arm A e Tilt Arm B e Tilt Bolt e Mounting Hardware Screws gm Tilt Arm A Tilt Arm B Mounting Hardware Screws Fasten Wall Box Plate securely to wall using Hollow Wall Mounting Screws ATIENTION The Wall Box Plate must be used in this installation to provide a secure base forthe radiator to be mounted on E Attach Tilt Arm A Attach Tilt Arm A to Wall Box Plate using included Mounting Hardware Screws Attach Tit Arm A in such a manner that it sits a cross Wall Box Plate not up and down on plate 61 LA 140 Mounting your Radiator zi Attach Tilt Arm B Attach Tilt Arm B to Swing Am of radiator swing arm comesattached to rear of radiator using included Mounting Hardware Screvvs Any of the seven holesin Swing Am can be used for this ESE 4 Pull CAT 5 and Coaxial cables through if necessary Pull CAT 5 and Coaxialcablesthrough hole in Wall Box Plate E Determine correct angle Determine correct angle setting to use forthe radiator using the design guide see page 13 of design guide 6 Attach Radiator to Wall Box Plate Attach Radiator to Wall Box Plate using Tilt Arm A and Tilt Arm B Use the Tilt Bolt to fasten the tilt
16. 1 Phono Phono Phono Mono Only INPUT 2 OUTPUT Mono Stereo Mono Stereo 36 EE LT 82 Quick Reference Input Level Indicators Shows Input 1 and Input 2 levels Input 1 and 2 7 7 input levelso Input land Listen INPUT Input 2 here INPUT LEVEL Power ON OFF TEST TONE Test Tone Activatesa tone to aid system setup POWER OUTPUT RF Input Input additional RF Signal here for multi channel systems Ko OUTPUT RF Outputs Output RF Signal to radiator s and or additional LT 82 Power Input Connect power supply here included MONITOR PROCESS STEREO TRANSMIT LEVEL CONTOUR l Transmit Level Indicator Shows mixed audio level g Process LED Indicates audio processing mode is active 69 Stereo LED Indicates stereo mode is active 69 LCD Display See LCD Display quick reference 6 Monitor ack Plug ina headset to monitor audio LT 82 IR Transmitter ux CHANNEL SELECT Oc hannel Select Up and Down Use to select channel Buttons also used for programming functions c ontour Equalization adjustment boosts or cuts high frequencies Transmit Level Adjusts mixed audio levels AUDIO OUTPUT INPUT 2 eo K DE N 69 Input 1 Balanced input for connection Of a line level or microphone accepts either a XLR or 12 phono plug m LINE I MIC MIC PH PWR input 1 Level Switch Set s
17. 350 02 UK e LA 350 03 Euro LA 350 Zz LA 351 Ss SA a Vr 119 120 121 124 LA 350 Spec ifc ations e Can charge or store up to eight LR 42 and or LR 44 receivers at one time e Easy to identify charging Green LED fully charged units Red LED charging in progress e Pockets grab and hold receivers so they will not fall out e Charging Storage Station can be mounted on a flat surface orona wall e Can charge battery packs while they are attached to the receiver or while they are separate from the receiver by use of included conversion tray e Lanyard cordsare stored without tangling with use of Cord Tidy Rack Specifications Compliance RF Safety Compliance FCC Industry Canada CE RoHS Bicolor LED Red when charging Green when charging is complete In line switching mode power supply Listen part number LA 204 Power Supply Dimensions H x W x D 1 50 x 13 60 x 5 40 in 38 x 345 x 137 mm Temperature Storage 20 C 4 F to 50 122 F Environmental Temperature Operation 10 C 14 F to 40 104 F Specifications are subject to change without notification LA 351 Specifications e Can store up to eight LR 42 and or LR 44 receivers at one time e Pockets grab and hold receivers so they will not fall out e Storage Station can be mounted on a flat surface oron a wall e Lanyard cordsare stored without tangling with use of Cord Tidy Rack Specifications LA 351 Safety Compli
18. 4 NiMH battery pack the battenes may need to be put through one charge cycle before they will tum the unit on 93 LR 42 44 Setup Instructions Select a Channel and or Program Channel Selection Method The Select button is used to change the channel Press the button once to change the channel The unit will either seek orscroll through the channels depending upon which channel selection method you have enabled See below for description of possible channel selection methods E Upon Power up When set to factory defaults the unit will tum on to the last channel is wastuned to upon powerup However the unit can be programmed to continuously seek fora channel with signal upon powerup until one isfound Auto Seek See page 102 for more programming information E Single Channel Systems If you know what channel the unit will be used on and you know that there is only one channel that the unit will need to be used on you can lock it onto that channel now See page 101 for channel lock information Ed Multiple Channel Systems In systems that require the receiversto be able to access more than one channel you must decide which type of channel selection method you want enabled The default setting isthat each time you press the Select button the unit will scroll to the next channel If you want the receiverto automatically begin seeking for another channel when the signal is lost such as walking from room to room in a museum the Au
19. Arm A and Tilt Arm B Use the Tilt Bolt to fasten the tilt arms together ATIENTION Note the angle measurements on Tit Am B and verify that the comectangle is selected before fully tghtening Tilt Bolt Attach Safety Mounting Cable The radiatorhasa safety cable attached to the top of the swing am Thiscable must be attached to a secure base to prevent the radiator from falling in the event of a mounting hardware component failing Possible injury to persons and damage to the radiator is prevented by securely attaching thiscable to a base ES Connect CAT 5 and Coaxial cables Connect CAT 5 and Coaxial cablesto appropnate locations on radiator 70 EE LA 140 Mounting your Radiator Desk Table Mounting Radiatorismounted to a support bracketthatcan be seton any flat surface Thisisa flexible and non permanent mounting strategy Pieces Used Br e Universal Bra cket Universal Brac ket Tilt Arm A Tilt Bolt e Tilt Arm B DD e Tilt Bolt e Mounting Hardware Screws Mounting Hardware Screws Installation Steps Tit Arm A Tilt Arm B EN Attach Tilt Arm A Attach Tilt Arm A to Universal Bracket using included Mounting Hardware Screws Tilt Arm A can be attached to either side of the Universal Barc ket Ca 4 or Attach Tilt Arm B Attach Tilt Am B to Swing Arm of radiator swing arm comes attached to rear of radiator using Mounting
20. Barc ket or ES Attach Tilt Arm B Attach Tilt Arm B to Swing Arm of radiator swing arm comesattached to rearof radiator using included Mounting Hardware Screws The bottom hole in Swing Arm must be used forthis install 73 LA 140 Mounting your Radiator 4 Determine correct angle setting Determine corect angle setting to use forthe radiator using the design guide see page 13 of design guide Attach Radiator to Desk Mic Stand Attach Radiator to Desk Mic Stand using Tilt Arm A and Tilt Arm B Use the Tilt Bolt to fasten the tilt arms together ATIENTION Note the angle measurements on Tit Am B and venfy that the corectangle is selected before fully tightening Tilt Bolt Connect CAT 5 and Coaxial cables Connect CAT 5 and Coaxial cablesto appropnate locations on radiator 74 oxuxx xxxxnn nn x a ununu xx xxxx Ex xxoun xK x x xz x ox x Kx x xxxx xx nnn un LA 140 Mounting your Radiator Tripod Stand Mountin Radiator is mounted on a tnpod stand If Listen part number LA 337 is used the radiatorcan be mounted up to nine feet high L Tilt Bolt Universal Stand Nut Pieces Used e Universal Sand Nut e Universal Bracket e Tilt Arm A e Tilt Arm B e Tilt Bolt e Mounting Hardware Screws Universal Bracket gm Installation Steps Ti
21. Be sure to plug into LT 82 before connecting to power outlet 69 radiator povveron CAT 5 cable TX power cable 39 LI 82 Setup and Operating Instructions Select Operating Channel TEA Select the operating channel Select the operating channel 1 4 For single channel systems any channel can be used In multi channel systems each transmitter must be on a different channel 69 Down Button est TONE N NS 1 SELECT Channel select buttons poweR CHANNE Up Button ri RF Off Channel Setting Information This channel does not have a camer present however allows passthrough from RF input to RF output This allowsa channel to be disabled in a daisy chain but allows the system to still operate asthe RF signal from the tra nsmitte r s before it will still pa ss through Note that the power R 45 with CAT 5 connectors will passthrough in all conditions unit off channel orchannels 1 4 RF Off Channel Setting rief After channels have been selected the transmitter s can be locked After channels have been selected the transmitter s can be locked on that channel by pressing and holding the Channel Select Up button forthree seconds When locked a padlock icon will be displayed on the LCD see below Icon ind icates channel is locked 40 OOOO LI 82 Setup and Operating Instructions 8 Connect Audio Inputs The LT 82 hastwo audio input options Input 1 and
22. F being output from the RF Radiator with another manufacturer s in multiple radiator systems this Output connection this switch tra nsmitter modulator it is necessary be set properiy must be in the ON position to put this switch in the ON position IMPORTANT Always ensure SW2 isin the OFF position when using a Listen LT 82 Transmitter 54 EEE LA 140 Setup and Operating Instructions EN Unpack the Product Remove outer packaging and plastic cover Venfy all components are present and that no physical damage has occurred to the product 2 Mount Radiator Determining Location Generally a higher location with a clear line of sight to the area the receivers will be used in isrecommended Refer to the design guide for detailed instructions about determining the location to mount the radiators 2B Mounting in Desired Location See Mounting your Radiator section on page 58 for detailed instructions on mounting your radiator ES Connect RF Signal Each radiator must be supplied an RF signal on RG 58 coaxial cable The RF cable can onginate either from an LT 82 Transmitter or from a different radiator Connect the RF signal to the radiator See design guide for more information on supplying RF signal to the radiators A a O Yar Te dr wit 0 SL elo RF Signal on coaxial cable Each radiator must be supplied DC powervia CAT 5 cable One LT 82 Transmitter ca
23. Harware Screws The bottom hole in Swing Arm must be used for this install 71 LA 140 Mounting your Radiator ES Determine correct angle Determine correct angle setting to use forthe radiator using the design guide see page 13 of design guide 4 Attach Radiator to Desk Mic Stand Attach Radiatorto Desk Mic Stand using Tilt Arm A and Tilt Arm B Use the Tilt Bolt to fasten the tilt arms together ATIENTION Note the angle measurements on Tit Am B and verify that the comectangle is selected before fully tghtening Tilt Bolt Br Connect CAT 5 and Coaxial cables Connect CA T5 and Coaxial cablesto appropriate locationson radiator 72 A 7 LA 140 Mounting your Radiator Microphone Stand Mounting Radiator is mounted ona standard microphone stand Pieces Used e Universal Bracket e Universal Stand Nut e Tilt Arm A e Tilt Arm B e Tilt Bolt Installation Steps r Universal Bra c ket Tilt Bolt Universal Stand Nut gm Tilt Arm A Tit Am B Mounting Hardware Screws mi Attach Universal Bracket to MicStand Attach Universal Brac ket to Mic Stand using Universal Stand Nut Microphone stand Hi 2 Attach Tilt Arm A Attach Tilt Arm A to Universal Bracket using included Mounting Hardware Screws Tilt Arm A can be attached to either side of the Universal
24. ORTANT Wall Box Plate must be at least four inches from comer to ensure comer brac ket will ft in comer EN If using a wall box wall box must be four inc hes from comen attach Wall Box Plate to wall box using included Mounting Hardware Screws ES If attaching directly to a hollow wall Wall Box Plate must be installed fourinc hes from comen attach Wall Box Plate securely to wall using included Hollow Wall Mounting Screws ATIENTION The Wall Box Plate must be used in this installation to provide a secure base forthe radiatorto be mounted on 64 LA 140 Mounting your Radiator Attach Corner Mount Bracket Attach Comer Mount Bracket to Wall Box Plate using included Mounting Harware Screws Use all fouravailable holesto ensure a secure attachment E Attach Tilt Arm A Attach Tilt Arm A to Comer Mount Bracket Determine correct placement of Tilt Arm A by holding Radiator up to Comer Mount Bracket and determining desired position in comer y 4 Attach Tilt Arm B Attach Tilt Arm B to Swing Am of radiator swing arm comesattached to rear of radiator using included Mounting Hardware Screws Any of the seven holes in Swing Am can be used for this connection 65 LA 140 Mounting your Radiator Pull CAT 5 and Coaxial cables through Pull CAT 5 and Coaxial cables through hole in Wall Box Plate if necessary 6 Determine correct angle Determine correct angle setting to use forthe
25. R i ten Stationary IR www listentech com Use iH INPUT LEVEL Al TRANSMIT LEVEL CONTOUR CHANNEL SELECT LT 82 IR Transmitter Stationary IR System Design Guide and Manual on emiss a single sound DearValued Customer Thank you forchoosing Listen Allof usat Listen are dedicated to provide you with the highest quality products available We take great pnde in their outstanding performance because we care that you are completely satisfied That s why we independently certify them to the highest quality standardsand 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 to listen Here s how to reach us 1 801 233 8992 1 800 330 0891 North America 1 801 233 8995 Fax support listentech com www listtentech com Thank you and enjoy your listening experience 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 repairtum around timesand 85 of the time clients were without their product for less tha n 10 days
26. able CAT 5 Length of cable Height angl LA 205 Power s ppyl optional Power out Power in Length of cable CAT 5 Length of cable Height angle LA 205 Power s ppyl optional Power out Power in Length of cable CAT 5 Length of cable Power in Power in 23 i Y G 4 M Design Guide 33dWNN ISSYV4IN FHL Ol 0QJQNNOY PY EEL GAELS JOLVIAVA w su 0 5 1 Su ps L 51 319VW9 N31SI x K K ome K omomo omomg omeoma UE oN o ON ono onoma e HOMO o NoNo 319vD JO Av130 1101534 104 NOILVOVdOdd SUCHER 3018118 3014108 gt 80181088 30181188 I 80181088 4IIWNAN JOLVIOVY 018 103183 UDI LeSU3dWUS AB 1 1 25 System Matenals Worksheet i Y in M Stationary IR Transmitter Power Cord USA UK ro Transmitters LT 82 01 LT 82 02 LT 82 03 amy C O Universal Rack Mount Kit Mounts two LT 82 units Transmitter Rack Mounting Part Number LA 326 an Stationary IR Radiator C Radiators Part Number LA 140 GY em IS A Dual Radiator Mounting Bracket IR Radiator Floor Stand Radiator Mounting Options LA 342 LA 337 amy O E IR System Power Supply Radiator Power Supplies Power Cord usa 0000000000 K Required LA 205 01 LA 205 02 LA 205 03 my C O Cablea 180727 04729 CI y O CE 6 U6801 v 026002 89N 982O CI
27. ance FCC Industry Canada CE RoHS ee meme 2 Temperature Storage 20 C 4 F to 50 122 F Environmental 0 to 95 relative humidity non condensing Specifications are subject to change without notification LA 350 Charging Requirements Instructions Requirements to Charge Receivers Requirements to Charge Receivers To charge Listen LA 42 or LR 44 IR Receiver battenes you must have an LA 364 Rechargeable Battery Pack for each receiver The LA 350 will not charge AAA NiMH battenes placed inside the alkaline battery pack that comes with the receiver The LA 364 battery packscan be charged while attached to the receiverorthey can be charged separate from the receiver Charging Instructions Plug power supply into power source 7 Plug power supply into power source El Plug povver into charging storage station Plug povver into charging storage station 125 LA 350 Charging Requirements Instructions 3 Charging Scheme 3A To Charge Batteries while in Receivers E Place receivers in charging slots Place receivers in charging slots It may be necessary to press down on the units to ensure that they are touc hing the charging contacts 2 To Charge Batteries separate from Receivers E Install conversion tray Install conversion tra y in slots LA 350 Charging Requirements Instructions En Place LA 364 battery packs in converted charging slots Place LA 364 bat
28. ancesto the next Saves the selected channel s active 2 3 b channel s active combination and retumsto regular combination program mode E 1 4 2 4 b 1 2 4 y y 3 4 3 4 8 3 4 9 1 3 4 5 g u 8 2 3 4 g 9 1 2 3 4 8 u default 3 A 104 LR 42 44 Programming Instructions Squelch Adjustment Sub Mode Instructions While in Squelch Adjustment Sub Mode There are 16 available squelch settings The 16 settings are represented by binary code referto the chart below 2 Pressthe Select button to advance to the next possible squelch setting 3 Press the Power button to save the selected squelch setting and retum to regular program mode Squelch Adjustment Sub Mode Functionality Diagram Use this chart to help with navigating through and adjusting the channels active within the Squelch Adjustment Sub Mode Navigating within the Squelch Adjustment Sub Mode Squelch l E Receiver LED Display Shows setting Pressing the Select Button Pressing the Power Button y gt jonbg on default bu ey Bon Ydjanbs 35007 ent Saves the selected squel ch setting and retums to squelch setting regular program mode 6 y n bs 1ybiL 105 LR 42 44 Programming Instructions Resetting to Defaults EN It is possible to reset the unit to factory default settings and the unit must be in the program mode to be reset 2 While in program mo
29. arm comesattached to rearof radiator using included Mounting Hardware Screws Any of the seven holes in Swing Arm can be used for this 59 LA 140 Mounting your Radiator a Pull CAT 5 and Coaxial cables through if necessary Pull CAT 5 and Coaxial cables through hole in Wall Box Plate Determine correct angle Determine correct angle setting to use forthe radiatorusing the design guide see page 13 of design guide 6 Attach Radiator to Wall Box Plate Attach Radiatorto Wall Box Plate using Tilt Arm A and Tilt Arm B Use the Tilt Bolt to fasten the tilt arms together ATENTON Note the angle measurements on Tit Am B and verify that the comectangle is selected before fully tightening Tilt Bolt Attach Safety Mounting Cable The radiator hasa safety cable attached to the top of the swing arm This cable must be attached to a secure base to prevent the radiatorfrom falling in the event of a mounting hardware component failing Possible injury to persons and damage to the radiator is prevented by securely attaching this cable to a base 0 attach to a secure base 8 Connect CAT 5 and Coaxial cables Connect CA T5 and Coaxial cablesto appropriate locationson radiator 60 LA 140 Mounting your Radiator H Installation Steps a EN Fasten Wall Box Plate to wall ollow Wall Mountin A hollow wall installation is not as preferable asa wall box installation but can be done without problems The hollow
30. arms together ATIENTION Note the angle measurements on Tit Am B and verify that the comectangle is selected before fully tghtening Tilt Bolt 62 LA 140 Mounting your Radiator Attach Safety Mounting Cable The radiatorhasa safety cable attached to the top ofthe swing am Thiscable must be attached to a secure base to prevent the radiator from falling in the event of a mounting hardware component failing Possible injury to persons and damage to the radiator is prevented by securely attaching this cable to a base attach to a secure base 8 Connect CAT 5 and Coaxial cables Connect CAT5 and Coaxial cablesto appropriate locations on radiator LA 140 Mounting your Radiator Corner Mountin The radiator is mounted in the comerofa room with orwithout a wall box available for this use A wall box must be at least four inches from the comer if using for this install Pieces Used e Wall Box Plate e Mounting Hardware Screws if attaching to wall box e Hollow Wall Anchors with Screws if attaching to hollow wall e Comer Mount Bracket e Mounting Hardware Screws e Tilt Arm A Wall Box Plate Tilt Bolt e Tilt Arm B Hollow Wall Anchors with Screws Comer Mount Bracket e Tilt Bolt Tilt Arm A Tilt Arm B Mounting Hardware Screws Wall Box Plate Mounting Screws Installation Steps E Fasten Wall Box Plate to wall Attach Wall Box Plate securely to wall IMP
31. ce and 2 thisdevice must accept any interference received including interference that may cause undesired operation This ClassA digital apparatus complies with Canadian IC ES 003 These devicesare RoHScompliant Listen Technologies Corporation Listen vvarrants its transmitters and receivers LT 82 LT 700 LT 800 LR 100 LR 42 LR 44 LR 300 LR 400 LR 500 LR 600 to be free from defects in workmanship and matenal under normal use and conditions for the useful lifetime of the product from date of purchase Listen warrants its Stationary IR Radiators LA 140 to be free from defects in workmanship and matenal 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 matenal under normal use and conditions for one year from date of purchase Listen warrants its Cha rging Canying Cases LA 306 LA 311 LA 313 LA 317 LA 318 LA 319 LA 320 LA 321 LA 322 LA 323 LA 324 LA 325 to be free from defects in workmanship and matenal under normal use and conditions for one year from date of purchase All other products and accessones are warranted for 90 da ys from 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 has been retumed within 90 da ys of purchase This wa manty is void if damage occurred because of
32. de select the Reset to Defaults function and pressthe power button El The unit will flash the channel indicator LED s three times and then shut down when reset Exiting Program Mode There are two ways to exit the program mode E Wait 10 seconds without pressing a button any changes made are saved Use the Select button to sc roll through the program mode functions until the Exit Program Mode function is selected and then press the Power button Programming Examples Example 1 I want to turn on off the Stereo Mode function and then exit program mode En Enter Program Mode see page 102 IB When program mode is entered the first function is active and the LED s will show 2 3 1 Using the functionality charton a previouspage note thatthisisthe Stereo On Off Function E Note that the channel 4 LED indicates whether or not this function is on off 4 Press the power button to tum Stereo Mode on off E Exit Program Mode Example 2 Iwantto turn on off the Stereo Mode function and the Auto Seek Function and then exit program mode E Enter Program Mode 2 When program mode isentered the first function isactive and the LED s will show 8 2 3 P Using the functionality chart on a previous page note that this isthe Stereo On Off Function rs El Note that the channel 4 LED indicator represents whether or not this function is on off R 4 Press the power button to tum Stereo Mode on off 5 P
33. ds in complying with US ADA regulations 18 A oxxxs xxxnxn xxx nun xK xzxzun nuunun n xununununn xxxxxxxxxxxxxxxxxxxxx x x xxxxxnnnnxn n Design Guide Notes 19 FBSYSPON WoAe WOO One Channel mittel y REZ RF out 2 Two Channel RF out 2 Three Channel RF out 2 Four Channel RF out 2 LjPower out 1 Power out 2 LjPower out 1 LiPower out 2 LjPower out 1 Power out 2 LjPower out 1 Power out 2 Length of cable CAT 5 Length of cable RG 58 Length of cable CAT 5 Length of cable RG 58 Length of cable CAT 5 Length of cable RG 58 Length of cable CAT 5 Length of cable RG 58 LA 205 Power gol TY LA 205 Pow optional ol Power out Powerin Powe adit Length of cable CAT 5 Power in Power in D 0 y pela F t t peig pange pngl Length of cable RG 58 Length of cable CAT 5 LA 205 Power LA 205 Pow optional Power out Powe Power in Length of cable CAT 5 v Power in 3 Power in o 5 o y pela ht ht peig peig ang Angle Length of cable RG 58 Length of cable CAT 5 LA 205 Power LA 205 Pow optional o Power out Power in Powe Length of cab
34. dware Screws Installation Steps Attach Wall Box Plate securely to ceiling Attach Wall Box Plate securely to ceiling EM If using a wall box attach Wall Box Plate to wall box using included Mounting Hardware Screws If attaching directly to a hollow ceiling attach Wall Box Plate securely to ceiling using included Hollow Wall Anchors with Screws ATIENTION The Wall Box Plate must be used in this installation to provide a secure base for the radiator to be mounted on 8 68 LA 140 Mounting your Radiator 2 Attach Tilt Arm A Attach Tilt Arm A to Wall Box Plate Attach Tilt Arm A in such a manner that it sits across Wall Box Plate using Mounting Hardware Screws not up and down on plate EJ Attach Tilt Arm B Attach Tilt Am B to Swing Am of radiator swing am comes attached to rearof radiator using included Mounting Hardware Screws t is recomended that the top hole of the radiator swing arm be used using included mounting hardware screws in this install 4 Pull 5 and Coaxial cables through if necessary Pull CAT 5 and Coaxial cables through hole in Wall Box Plate 5 Determine correct angle Determine correct angle setting to use forthe radiator using the design guide see page 13 of design guide 69 LA 140 Mounting your Radiator Attach Radiator to Wall Box Plate using Tilt Arm A and Tilt Arm B Attach Radiator to Wall Box Plate using Tilt
35. e e IRSystem Design Guide and Users Manual e LT 82 Quick Reference Card ower Supply m SA Listen Confgurations LT 82 01 North America LT 82 02 UK e LT 82 03 Euro 11 82 Specifcations Architectural Spec ification The Stationary IR Transmitter shall be capable of broadcasting on four mono or stereo camers 2 3 2 8 3 3 and 3 8 MHz Channel selection shall be capable of being locked Multiple transmitters shall be capable of being daisy chained together to transmit up to four channels simultaneously The transmitter shall have a timer that shuts off the ca mers after 30 minutes when no audio is present at the transmitter The transmitter shall have a SNR of 60 db or better The device shall have an audio frequency response of 63 Hzto 15 kHz 3db It shall have two mixing audio inputs one balanced XLR phone input and one unbalanced RCA input The device shall have the following audio controls input level transmit level contourlevel and stereo on off control The device shall have an audio processor that iscapable of automatic gain control and limiting The transmitter shall provide power for up to two radiators over CAT 5 cable The LT 82 is specified Specification LT 82 RE Output Two 2 BNC connectors for connection to radiator s and or additional transmitter s 50 mV 50 ohm 15 dBm RF Input One 1 BNC connector for connection from additional transmitter s 50 mV 50 ohm 15 dBm FCC Par
36. e channel you are trying to tune it to Referto page 102 for more information about channel programming The battenes are not charging in my receivers Make sure that you have an LA 364 NiMH battery pack installed on the receiver and that the charger is plugged in 2 Q Q Q o a Frequentiy Asked Questions Frequentiy Asked Questions How many radiators can an LT 82 power A Up to two radiatorscan be powered using an LT 82 You must use an extemal power supply LA 205 for more radiators O How many radiatorscan an LA 205 power A Up to two radiatorscan be powered using an LA 205 extemal power supply O What do the LEDs on the front of my radiator tell me A Refer to page 57 for detailed information about the LED indicators on the front of the LA 140 Radiator Q Can Itum off the LEDs on the front of my radiator and still have it function norma y A Yes you can disable the LED indicators if you desire to do so Tum on the rear of the radiator to the OFF position See page 56 for more information Q What is the life span of the Listen LA 140 Radiator A The radiators will be degraded to 50 efficiency at approximately 10 000 operating hours The footprint specification provided by Listen has accounted for 40 of this degradation which occurs at approximately 8 000 hours This is equivalent to three years of operating at eight hours per day If one of the LEDs on a radiator fa ils how many LEDs will
37. e following process 92 A 7 Remove alkaline battery compartment Remove alkaline battery compartment by pressing down on compartment and pushing towardsthe bottom it Store alkaline battery packf ruse if desired C 0682 IR Rece el iver d complies with Part 15 of the FCC Rules igital apparatus complies with Canadian ICES 003 Listen Support 800 330 0891 801 233 8992 www listentech com Place LA 364 battery pack in receiver Place LA 364 battery pack in receiver The unit willnow recognize the rechargeable battenes and charge them correctly when unit is placed in a charging case LA 350 C 0682 Model 4 Channel IR Receiv er FCC This device complies with Part 15 of the FCC Rules IC This Class A digital apparatus complies with Canadian ICES 003 Listen Support 800 330 0891 801 233 8992 www listentech com LR 42 44 Setup Instructions 3 Connect an Earphone or Headset LR 44 model only An earphone or headset will connect to the jack on the bottom of the unit Either mono or stereo connectors may be used with Listen receivers Make sure to push the connector all the way into the jack d SEL a Turn Unit On Tum the unit on by pressing either button on the front ofthe unit ATIENTION 1 The 18 44 model must have a headset connected to the unit to tum on and remain on for longer than ten seconds ATIENTION 2 If using a new LA 36
38. e of receiving a stereo signal on each of the four camers The receiver shall have a SNR of 60 db orgreaterand have built in squelch control The device shall have an audio frequency response of 63 Hzto 15 kHz 3db and Shall have distortion of lessthan 2 The device shall operate for 30 hours with two AAA alkaline battenesand 15 hours with two AAA NIMH rechargeable battenes The receiver shall be covered by a limited lifetime warranty The LR 44 is specified Specifications LR 44 All system specifications are wireless end to end weight ontrols Indicators Channel Selection Red LED illuminates on the current channel selection Battery Type Two 2 AAA alkaline batteries or NiMH battery pack Battery Life 30 hours alkaline 15 hours NiMH rechargeable pack LA 364 Battery Charging Up to 9 hours Fully Automatic with NiMH battery pack and LA 350 charger Dimensions H x W x D 1 80 x 4 00 x 0 75 in 46 x 102 x 19 mm Physical Temperature Operation 10 C 14 F to 40 104 F Environmental Temperature Storage 20 C 4 F to 50 122 F 0 to 95 relative humidity non condensing Specifications are subject to change without notification 88 A oxxxs xxxnxn xxx nun xK xzxzun nuunun n xununununn xxxxxxxxxxxxxxxxxxxxx x x xxxxxnnnnxn n LR 42 Quick Reference Stetho Arms LR 42 model only Speakers located in ends of stetho arms place in earst
39. eamhone The squelch on your receivercan be adjusted so that it will mute at varying levels of signal strength There are 16 settings that the squelch setting can be set to The lowest squelch setting no squelch is and the tightest squelch setting is 15 The default setting is 3 When to Adjust Squelch Setting For maximum range the squelch setting should be set to a low level 0 1 or 2 However when setting the squelch level low the reliability of the squelch setting iscompromised and will lead to radio noise being heard in the earphone when signal strength is low If no radio noise is desired to be heard the squelch setting should be set to a tighter position However when setting the squelch level high the receiver will have reduced range due to the audio being cut off when signal islow See Programming Unit section for instructions on how to adjust squelch setting LR 42 44 Battery Charging Information EN Requirements A NiMH Battery Pack LA 364 t is not possible to charge batteresin the alkaline battery pack that comes with the unit The LA 364 NiMH rec ha rgeable battery pack must be used 18 IR 8 Unit Charging Storage Station The only way to charge the LA 364 battery packs is by inserting them into the LA 350 Charging Station The battery packscan be charged while installed on the receiver orthey can be charged while separate from the receiver 2 How to Charge Batteries There are two waysto c
40. ent please contact the camer then contact Listen for replacement or repair requirements pa ya ble by the camer Listen s corporate headquarters are located in Bluffdale Utah U S A and are open Monday through Frida y Sam to 5pm Mountain Time 14912 Hentagecrest way Bluffdale Utah 84065 4818 1 801 233 8992 1 800 330 0891 North America 1 801 233 8995 Fax support listentech com www listentech com Meyuauajddns i ten www listentech com Listen Technologies Corporation 14912 Hentagecrest Way Bluffdale Utah 84065 4818 U S A 1 801 233 8992 1 800 330 0891 North America 1 801 233 8995 fax VVVVVV stentech com Printed in the United States of Amenca 2008 Listen Technologies Corporation All Rights Reserved 2008115
41. ere are no LED indications on the front of the radiator switch 1 has likely been setto the OFF position Make sure switch 1 is in the ON position before attempting to check the status of the radiator a rede The red LED isthe Power On LED If the Red LED is lit the radiator has power 9B Yellow LED The yellow LED isthe no connection LED If lit the radiator is not connected to a transmitter or another radiator When propeny connected the yellow LED will be extinguished Ed Green LED The green LED isthe Signal Present LED If the green LED is lit the radiator is outputting an IR signal into the room During normal operation the red and green LEDs will be on simultaneously unless defeated by SWI Red LED 69 Yellow LED 69 Green LED 27 LA 140 Mounting your Radiator Overview There are several different configurationsthatthe radiatorcan be mounted in Allofthem exceptfor the Dual Radiator Mounting Configurations can be accomplished using the mounting hardware included with the LA 140 IR Radiator Kit the LA 342 Dual Mounting Bracket is not included with the kit but isrequired formounting two radiatorsside by side Read through the following mounting strategies to determine which works best for your application and then follow the instructions for mounting NOTE The parts in this section are not shown to scale Mounting Hardware Pieces Wall Box Plate Universal Brac ket Tilt
42. ers LED sleep mode LED sleep mode begins when the unit extinguishes the channel indicator LED which will happen 10 seconds after the last button is pressed E Once in LED sleep mode pressand hold both the Select and Power buttons for three seconds 4 After holding forthree seconds the channel indicator LED will flash once indicating that the unit hasbeen successfully locked Once the channel indicator LED flashes you can release the Power and Select buttons Channel Unlock Procedure The procedure for unlocking the unit isthe same as locking the unit Lock Indicators If you press the Select button to change the channel when the unit is locked the channel indicator LED will flash four times and the unit will not change channels Follow the lock unlock procedure shown above to be able to change the channel 101 LR 42 44 Programming Instructions Program Mode Overview The following featurescan be programmed within the program mode Stereo On Off Channel Lock Out Auto Seek and Squelch The following sections outline the procedures required to enterthe program mode modify the programmable featuresand exit the program mode There are also several examples of how to use the program mode to change the settings of the receiver Lastly the end of this programming section providesa detailed description about each programmable feature and when they can orshould be used Entering Program Mode 1 Make sure that the unit is off not just
43. h an alkaline battery compartment no batteres You will need to decide vvhether to use alkaline AAA batteries LA 363 ora rechargeable battery pack LA 364 Alkaline batteries will last about 30 hours while the rechargeable batteries will last about 15 hours If you orderthe rechargeable battery packs you vvill need to orderthe 8 Unit C ha rging Storage Station LA 350 El Stetho Receiver Fill in the number of LR 42 Stetho receivers required and the appropnate battery options You can also order extra replacement tips LA 151 qty 20 El Lanyard Receiver Fill in the number of LR 44 lanyard receivers required and the appropnate battery options You ll also need to choose the quantity and type of earphones Listen highly recommends the Ear Speaker LA 164 Stereo Headphones LA 165 and the Behind the Head Headphones LA 170 Also itisa good idea to ordera quantity of Neck Loops LA 166 for customers with T coil equipped hearing aids Ed Charging Storage Options If you chose rechargeable battery packs for receivers you need to orderthe appropriate quantity and type of 8 Unit Charging Storage Stations LA 350 If not it sa good idea to order the 8 Unit Storage Station LA 351 This simplifies the disoensing and storage of receivers Both the LA 350 and LA 351 can be permanently mounted ona table orona wall vertically or honzontally 6H Other Accessories For US customers Listen offersthe ADA Compliance Signage Kit LA 304 This ai
44. harge the LA 364 Rechargeable NiMH Battery Packs within the receiverand separate from the receiver Within the receiveristhe easiest method however charging the battery packs while they are separate from the receiverallowsforthe receiverto be used continuously while another set of batteriesare being charged forit 2A Charging Batteries within the Receiver 1 Install LA 364 rechargeable NiMH Battery Pack Install LA 364 rechargeable NiMH Battery Pack to rear of receiver 0682 Model 4 Channel IR Receiver FCC This device complies with Part 15 of the FCC Rules IC This Class A digital apparatus complies with Canadian ICES 003 Listen Support 800 330 0891 801 233 8992 www listentech com 112 LR 42 44 Battery Charging Information El Place LR 42 LR 44 Receiver into a slot Place LR 42 LR 44 Receiver into a slot on the LA 350 case Ensure that the LA 350 charging station haspowerto it El When the unit is seated correctly a red LED will light When the unit is seated correctly a red LED will light up on the LA 350 charging station adjacent to the charging slot indicating charging hasbegun EA E Red LED Charging in Process Green LED Charging Complete El When the receiver is fully charged the green LED will light When the receiverisfully charged the red LED will tum off and a green LED will light up to indicate unit is fully charged The green LED will stay lit until unit is removed from the charg
45. ial Cable BNC Coupler RG 58 BNC Connector Preassembled specify length e LA 393 LA 71 LA 72 RJ 45 CAT 5 RJ 45 CAT 5 Connector RJ 45 to R 45 CAT 5 Coupler Pkg of 10 Preassembled specify length Notes 44 Notes 45 Notes 46 rn a i r k r Vice STATIONAI www listentech com LA 140 IR Radiator 201 niss a single sound LA 140 Users Manual Table of Contents Specifications 53 Quick Reference Page 54 Setup Instructions 55 LED Indications 57 Mounting Your Radiator 58 Accessones for LA 140 78 LA 140 Package Contents e LA 140 Stationary IR Radiator e IR Radiator Quick Reference Card e 25 feet RG 58 Coaxial Cable e 25 feet CAT 5 PowerCable e IR Radiator Mounting Hardware e Universal Brac ket e Tit Arm A e Tilt Arm B e Tilt Bolt e Comer Mount Bracket e Wall Box Plate e Wall Box Plate Mounting Screws e Hollow Wall Anchors with Screws e Mounting Hardware Screws e Universal Stand Nut AN x10 gt 46 ComerMountBracket Mounting Hardware Screws Coaxial RG 58 25 feet l CAT 5 25 feet Universal Bracket Br UN DD Y Tilt Bolt gt gt Tilt Arm A Tit Arm B Universal Stand Nut Hollow Wall Anchors with Screws Listen C onfigurations Wall Box Plate Mounting Screws Wall Box Plate e LA 140 GY grey e LA 140 WH white LA 140 Specifications Architectural Specification The radiator emitte
46. ing station IMPORTANT When not using your LR 42 LR 44 Receiver it is recommended to keep the receiver on the charging station The charging station provides a maintenance charge that will keep the battery level at 100 If the receiver is not kept on the charger it can lose 20 of its charge per month LR 42 44 Battery Charging Information 2a Charging LA 364 Battery Pack Separate from the Receiver En Install Battery Pack Conversion Plates to charging tray Install Battery Pack Conversion Plate to charging tra y of LA 350 conversion plates included with LA 350 El Place LA 364 battery pack into converted tray Place LA 364 battery pack into converted tra y of LA 350 Ensure that the LA 350 charging station has power to it El When the battery pack is seated correctly a red LED will light When the battery pack is seated correctly a red LED will light up on the LA 350 charging station adjacent to the charging slot indicating charging has begun EA E Red LED Charging in Process Green LED Charging Complete 113 LR 42 44 Battery Charging Information 4 When the battery pack is fully charged the red LED will turn off When the battery pack is fully charged the red LED will tum off and a green LED will light up to indicate battery pack is fully charged The green LED will sta y lit until the battery pack isremoved from the charging station IMPORTANT When not using your LR 42 LR 44 Receiver it
47. is recommended to keep the receiver on the charging station The charging station provides a maintanence charge that will keep the battery level at 100 If the receiver is not kept on the charger it can lose 20 of its charge per month Accessones for LR 42 44 Accessones LA 152 LA 364 LA 150 IR Alkaline battery compartment NIMH Rechargeable Battery Pack Replacement Lanyard for LR 44 included with receiver requires LA 350 Charging Station LA 350 LA 351 LA 161 LA 151 Unit IR Receiver 8 Unit IR Receiver Storage Station Single Ear Bud Replacement Ear Tips Charging Storage Station Pkg of 20 LA 364 required LA 162 LA 164 LA 165 LA 166 Stereo Ear Bud Earsoeaker Stereo Headphones Neck Loop LA 170 Behind the Head Headphones 115 Notes 116 Listen Stationary IR www listentech com nn LA 350 8 Unit IR Receiver Charging Storage Station LA 351 8 Unit IR Receiver Storage Station iss a single sound LA 350 351 Users Manual Table of Contents LA 350 Specificationsand Features LA 351 Specificationsand Features LA 350 Charging Requirements Instructions Cord Tidy Rack LA 350 Package Contents e LA 350 Charging Storage Station e LA 204 Power Supply e Battery Pack Conversion Tra ys 8 e Cord Tidy Rack e LA 350 Quick Reference Card LA 351 Package Contents e LA 351 Storage Station e Cord Tidy Rack Listen Confgurations e A 350 01 North America e LA
48. is switch to the ON position for venfication of power and camer My radiator is not radiating a signal If there isno audio at the transmitter for 30 minutes the radiator s will stop radiating to conserve the life of the radiator diodes When the audio retums the radiators will retum to nomal operation There is not sufficient range in my system It may be necessary to add additional radiatorsto increase the coverage area Keep in mind that one channelon one radiator will coverup to 10 000 ft 929 m2 and that this is cut in half for every additional channel used There is interference in my transmission Ina multi channel system make sure that the transmitters are on different channels Also windows and sunlight can cause interference and noise on the receiver The audio drops out in areas I don t believe it should Audio drop outs can occur for several reasons including the following The system was set up by tnaland error With degradation of the IR diodes the system now hasdropouts due to this reduction in IR output power from the radiator Make sure to always design the system using the footpnnt specifications found in the design guide Also in a multi ra diator application the delay switch settings may be incorrect The radiators could be out of phase and therefore canceling each other out Make sure to set up the delay compensation switch correctly referto page 16 for further information The audio sounds distorted in
49. le CAT 5 Power in Power in o O 0 neigt Height e e ang Length of cable and RG 58 Length of cable CAT 5 LA 205 Power pe LA 205 Povv optional o Power out Power in Powe Power in Power in Length of cable CAT 5 Length of cable pelay eight Angle angle System Layout Worksheet Al r out Power in Power out Power in 5 o 8 out 2 9 s ES es a Power in 2 a en de o mal on ov o 5 lt oz E o 2 0 q o m Height angle n 5 7 rau Power in Power out Power in 5 o S out 9 ES 9 es a Power in 2 5 azan n 28 1 o o 5 L c o o 0 s o l Height angle s l r out Power in Power out I Power in 5 o E 3 out 9 9 s Ex A E a Power in m a vern o 5 l s ov o 5 c 2 O 0 s o Height angle Ml LA 205 el rout Power in Power out Power in 5 o E 3 out 2 9 ES 5 Power in 2 m m Ye T O we LD a ba o D 5 L x 2 0 q Height angle LA 205 Power s ppyl optional Power out Length of cable CAT 5 Length of cable Height Angle LA 205 Power s ppyl optional Power out Length of c
50. length of coaxial RF cable Coaxial RF signal cable should never exceed 1000 feet from the source transmitter Designing a System i Y G o M Determine the number of audio channels You will need to order one LI 82 transmitter foreach audio channel The Listen system can deliver up to four audio channels simulta neously Determine the room size and shape You should either measure the room orus the architect s plans to obtain this information Complete the room layout worksheet Complete the room layout worksheet found in the final section of this guide placing the location of the transmitters power suppliesand radiators using the worksheet key The following factors will detemine the coverage ofthe room 3A Number of radiators and location Except in small roomsit is recommended that at least two radiators be used to ensure good coverage and minimal shading Listen radiators when used with Listen receivers will cover approximately 10 000 ft 929 m2 forone channel asindicated in the diagram below note the coverage decreasesasthe number of channels goes up Fortwo channels one radiator will cover 5 000 ft 465 m and forfour channels one radiator will cover 2 500 ft 232 m Horizontal Plane Footprint Pattern feet 50 40 30 20 Coverage pattern shown in feet 20 You should use the above coverage pattem to determine coverage of each radiatorin your system not by tnal and eror The radia
51. lt Arm A Tilt Arm B Mounting Hardware Screws 1 Attach Universal Bracket to tripod stand Attach Universal Bracket to LA 337 tripod stand using equipment included in LA 337 1 Attach Tilt Arm A Attach Tilt Arm A to Universal Bracket using included mounting hardware screws N 75 LA 140 Mounting your Radiator mn Attach Tilt Arm B Attach Tilt Arm B to Swing Am of radiator swing arm comers attac hed to rear of radiator using included mounting hardware screvvs The bottom hole in Swing Arm must be used for this insta l 4 Determine correct angle Determine correct angle setting to use forthe radiatorusing the design guide see page 13 of design guide Attach Radiator to Desk Mic Stand Attach Radiatorto Desk Mic Stand using Tilt Arm A and Tilt Arm B Use the Tilt Bolt to fasten the tilt arms together ATIENTION Note the angle measurements on Tit Am B and verify that the comectangle is selected before fully tghtening Tilt Bolt 6 Connect CAT 5 and Coaxial cables Connect CAT 5 and Coaxial cablesto appropnate locationson radiator 76 LA 140 Mounting your Radiator Dual Radiator Mounting It is possible to mount two Listen LA 140 Radiators either side by side oron top of each other using the LA 342 Dual Radiator Mounting Bracket sold separately The mounting strategy isvery similarto all of the previous scenenos except you will be working with two
52. ly if I entera room with a signal present on a different channel A Yes In Auto Seek Mode the receiver will automatically find an active channel If the unit squelchesorthe select button is pressed the unit will automatically search foran active channel Referto page 102 for more information about Auto Seek Mode How do Icheckthe battery levelon my receivers A When the unit ison pressthe power button momentarily The LEDs will display the battery status for three seconds 4 LEDs 75 100 etc See page 99 for more information How do adjust the squelch setting on my receiver A See page 106 for detailed instructions on adjusting the squelch setting How can tell ifthe receiver has been fully charged when using the LA 350 A The green LED to the side of charging pocket will illuminate Can luse rechargeable battenes in the alkaline battery compartment A No You must purchase a Listen LA 364 NiMH battery pack if you want to use a Charging case My rechargeable battenes don t last very long Why A If your batteries have been through many charging cyclesthey may need to be replaced Compliance Warranty and Contact Infomation Compliance Information The following compliance information applies to the LT 82 LA 140 GY LA 140 WH LR 42 LR 44 and LA 350 This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interferen
53. m Grey with White Silk Screening Unit Weight 2 6 lbs 5 7 kg 7 Physical Unit Weight with LA 205 Power Supply 3 8 Ibs 8 3 kg Shipping Weight 4 4 Ibs 9 7 kg Rack Mountin One rack space height 1 2 rack space wide One or two transmitters can be mounted 9 in one rack space Optional rack mount LA 326 not included Temperature Operation 10 C 14 F to 40 104 F mas Temperature Storage 20 C 4 F to 50 122 F 0 to 95 relative humidity non condensing Specifications are subject to change without notification LI 82 Block Diagram POWER o 3 5MM Stereo On O Off Red N LED I CHANNEL SELECT HEADPHONE Universal 115 230 AC PUSSY Volume 50 60hz provided 30VDC 1 5 Power Supply O Down CPU Module Terminal Automatic 2 Overload Listen LCD Display CAB 2 Protection Backlit DC Out Compression Ratio internal adjustment RF 4 N O Transmitter RF Board Stereo Generator Pre emphasis Processing O OUT QO BNC Green Transmit Off LEVEL CONTOUR aa Input Level POT 5 12 Front Pa nel Q V Input 1 Level Select Line i Mic C Mic Line 57 75 2500 E Phantom O Pwr input 2 Level Select G a one Buon 10d Bu 10d Bu pr a AAN CELI mun 55 Front Pa nel A A J V Fee AA eine Female XLR 1 4 OCO Combo Connector 2 Tip 3 Ring Y 1 Sleeve INPUT
54. my receivers The receiver may be approaching the edge of the coverage pattem where the distortion and noise can be higher Also if the receiver is within 10 feet of the radiator it can cause the receiver to be saturated with IR t isa good idea to have a minimum distance of 10 feet from any radiator tum up the volume wheel all the way on my receiver but the audio level is still too low Make sure that the Input level and Transmit Level isadjusted appropnately on the transmitter Low battenesin the receiver will also cause low output volume There is a tone in the audio Make sure the test tone button on the transmitter is OFF Also make sure that two transmitters are not on the same channel in a multi channel system I cannot change the channel on my receiver If when you attempt to change the channel the channel indicator LED only flashes but doesnot change channel the receiver is locked on the current channel See page 101 for information on unlocking the unit A y 3 2 3 0 iy Troubleshooting Troubleshooting I cannot get my receiver to scroll to the channel wantto use There are two reasons why the receiver would not sc roll to the channel you want the unit to be on The first is that the unit is in Auto Seek mode and is not finding a signal on the channel you are trying to tune the unit to See page 102 for more information about Auto Seek mode The second isthat the unit is programmed to not tune to th
55. n povverup to two radiators also up to two radiatorscan be powered using an IR Extended Power Supply Listen part number LA 205 Connect DC povver to the radiator See design guide for more information on supplying DC powerto the radiator s L radiator poweron CAT 5 cable RF Signal on coaxial cable O ne fel E ol Ol 55 LA 140 Setup and Operating Instructions 5 Set Delay Compensation Switch ES Single Radiator Systems The position of the dela y compensation switch does not matter in single ra diator systems ES Multiple Radiator Systems Itis necessary to select the correct dela y compensation switch setting foreach radiatorto ensure that each radiator tra nsmits the same signal at exactly the sa me time in an overlapping multiple radiator system Not setting the delay compensation m m gt C switch correctly will result in reduced coverage area forthe N b system See design guide page 16 fordetermining the correct delay compensation switch setting foreach radiator in a multiple radiator system Delay Compensation Switch 6 Set Termination Switch 6A Single Radiator Systems Always set the termination switch to the ON position in single radiator systems 6B Multiple Radiator Systems Set the termination switch to the OFF position on all radiators that are outputting an RF signal to another radiator Set the termination switch to
56. ng a System To double the radiator power it is possible to vertically or honzontally mount two radiators together using the LA 342 Dual Radiator Mounting Bracket sold separately This is highly recommended in larger rooms E Height of Radiators It is critical to mount the radiators at the proper height If the radiator is mounted too low the coverage pattem will be too small to provide sufficient long throw coverage If the radiator is mounted too high the required angle of the radiator will cause the radiation pattem to be compromised The best height of the radiator is about 16 ft 5 m from the floor Radiator Mounting Angle The mounting system for Listen LA 140 radiators allow you to mount the radiatorin 15 degree increments The best angle dependson the shape of the room and the orentation of the radiator to the seats within the room In general mounting angles of 15 and 30 degrees provide the best coverage i Y G o Designing a System o re 5 y Gi a Determine the number of radiators required Determine the numberof radiators required based on the size and shape of the room Based on step two it is recommended that you draw the room out indicating the location of each radiator in the room and cable runs from the transmitter s and power supplies if any to the radiator We have provided the room layout worksheet for you to do this towards the back of this design guide See e
57. nless unit is in LED sleep mode To check which channel the unit ison without changing the current channel while the unit isin LED sleep mode press either the PWR or Select button once This will tum the channel indicator LEDs back on for 10 seconds 8 Auto Shut Off Feature The receiver will automatically tum off in the two following situations EN After 10 seconds After 10 seconds if there isno headset plugged into the headset jack LR 44 model only This allows fora quick battery status check without having to plug in a headset This function is also disabled while in Program Mode El After 30 minutes After 30 minutes if no signal is detected by the receiver both models 9 Powering down the unit To powerdown the unit pressand hold the PWR button for 1 5 seconds Allofthe LEDs will light up momentarily and then tum off signaling power has been shut off 100 LR 42 44 Locking Instructions Locking the Receiver on One Channel The unit can be electronically locked on one channel so that it will not change channel even if the Select button is pressed lt isrecommended to lock the receivers on the channel that is being used in systems that do not require the user to change channels single channel systems Channel Lock Procedure The unit can be electronically locked on the channel it iscurrently on using the following process Select the channel that you want to lock the unit on ES Wait until the unit ent
58. nsmitter LA 140 Radiator Single Channel System A single channel system consists of one LT 82 transmitter and one or more radiators The diagram below shows such a system with one radiator The radiator is powered from the power supply at the transmitter This power supply can supply enough power for the LT 82 and up to two LA 140 radiators If you need more than two radiators you will need more power supplies This is discussed later in this document Power is supplied from standard CAT 5 cable while RF from the transmitter is delivered using 50 ohm RG 58 coaxial cable The radiator is supplied with 25 feet 7 6 meters of CAT 5 and RG 58 coaxial cable LT 82 Stationary IR Transmitter LA 140 IR Radiator LR 42 IR Stetho Receiver 9 IR Power CAT 5 Cable RF RG 58 50 ohm Cable Mounting hardware for radiator included with radiator LR 44 IR Lanyard Receiver System Overview i Y G o 0 Multiple Channel System A multiple channel system consists of two to four LT 82 transmitters and one or more radiators The diagram below shows such a system with two radiators The radiators are powered from the power supply from the first transmitter This power supply can supply enough power for the LT 82 and two LA 140 radiators If you need more than two radiators you can use the power from the other transmitters n this example the four transmitter power supplies can supply enough powe
59. nt If none is found it will continue seeking until it finds a signal Note that if the unit has been locked on its channel this lock will overide Auto Seek To tum the unit off pressand hold the PWR button for 1 5 seconds 97 LR 42 44 Operating Instructions a LED Sleep Mode The receiver will shut off the channel indicator LEDs aftera period of 10 seconds passes without any buttons being pressed The receiver will still produce audio and the volume can still be adjusted only the LEDs shut down It willbe necessary to wake up the receiver by tapping eitherthe PWRor Select button before doing many of the operating tasks descnbed in the next sections 5 Select Listening Channel Selecting Channel with 5A Auto Seek Disabled Default OFF Press the Select button to scroll through the four channels If the channel indicator LED fla shes four times when Select is pressed and the unit doesnot change channels it is locked on the current channel See page 101 forchannel lock information Also if the unit skips overthe desired channel it isbecause that channel has been locked out See page 102 for more information about the programmable features E Auto Seek Enabled The unit will continuously seek fora signal until one isfound and then it will stay on that channel If the signal is not detected fora short time period orthe user presses the SEL but ton the unit will seek for another signal and will keep seeking
60. o listen to audio o Channel Indicator LEDs Displays which channel the unit is Currently tuned to Also e can display battery level etc IR Receiver Lens Lens covers the IR receiving components ensure entire lens is visible during use Volume Control Dial Use to adjust volume level in speakers 6 Power Button Press to tum unit on press and hold to tum unit off 6 Select Button Pressto change the channel also used with programming function 89 90 LR 44 Quick Reference 69 Lanyard LR 44 model only Holds receiver in place below chin of wearer Channel Indicator LEDs Displays which channel the unit is Currently tuned to Also can display battery e level etc 6 IR Receiver Lens Lens covers the IR receiving components ensure entire lens is visible during use Volume Control Dial Use to adjust volume level in speaker s Power Button Press to tum unit on press and hold to tum unit off 69 Select Button Pressto change the channel also used with Lanyard Adjustment Ball programming function LR 44 model only Adjust the loop size of the lanyard by pulling on this Headset J ack LR 44 model only ball usually done after Accepts any earpiece witha unit ison user s body 3 5 mm TRS connector LR 42 44 Setup Instructions Unpack the Product Remove outer packaging and plastic cover Venfy all components are present and that no physical damage
61. odulation frequencies it is possible that the RF signal arrves to different radiators at different times This delay can cause the IRcamersto add out of phase and cause the signal to drop out To solve this problem Listen has provided a delay compensation adjustment on each radiator This design guide will help you calculate the setting for this adjustment As the number of channels increases the effective radiated coverage declines Asthe number of channels increases the effective radiated coverage declines For example a two channel system will have half the coverage of a single channel system If is important to increase the number of radiators for multiple channel systems yan The coverage patterns provide coverage of the system assuming no reflection The coverage pattems provided by Listen provide coverage of the system assuming no reflection In addition the radiator hasbeen under rated to account for system degradation asthe IR emitting LEDs age overtime It isimportant to design the system based on these coverage pattemsand not by tnal and enor The reason for this is that the coverage pattem will be stronger when the radiator is new A system that hasadequate coverage today may not have adequate coverage in the future if not designed according to the specified coverage pattemsof the radiator The maximum length of CAT 5 power cable CAT 5 powercable should never exceed 1000 feet from the source power supply The maximum
62. of radiator required Each radiatorcomes with mounting bracketsfor most types of installation In addition the radiator comes with 25 ft 7 6 m of coaxial RF and CAT 5 power cables 17 i G 7 o Designing a System o 5 o in A 6D Radiator Mounting Options Since the radiator comes with most radiator mounting options there are only two additional choices E Dual radiator mounting The LA 342 dual radiator mounting bracket allows you to mount two radiators together vertically or horizontally This includes short lengths of coaxial RF and CAT 5 power cables a Floor stand The LA 337 isa floor stand for portable applications Radiator Power Supplies Fill in the number and type of LA 205 power supplies required if any Cables From the System Layout Worksheet insert the cable lengthsforthe preassembled coaxial RF cables LA 391 and CAT 5 powercables LA 393 p Receivers There are tvvo types of receiversto choose from You may vvant to choose a combination of both typesof receivers The stetho type receiver makes it simple to dispense the units and prevents cord tangling However the stetho style for some guests is uncomfortable especially for prolonged time penods The advantage of the lanyard receiveristhat you can use many types of different earphones Hovveverthiscan make it more complicated for distributing and the cordscan become tangled Each receiver comes wit
63. of signal that the receiver is receiving If the receiver is receiving a mono signal this function must be OFF If the receiver is receiving a stereo signal this function must be ON When to enable Stereo Mode Stereo Mode must be enabled if the receiver is receiving a stereo signal from the transmitter Channel Lock Out Default is All Channels Available Channel Lock Out function This function is used to lock out channels from being accessible to the user when the Select button is pressed or when the unit is seeking fora channel in Auto Seek Mode This function is different from the Channel Lock function in that this function removes channels from being selectable whereasthe Channel Lock function holds the unit on the current channel By using this program mode you can lock out any combination of channels When to Lock Out Channels If you have Auto Seek disabled default setting the unit sc rolls to the next channel with each press of the Select button If for example you have a two channel system you can use this feature to lock out the other two unused channelsso that the user will not have to scroll through them to get to the channels with a signal If you have Auto Seek enabled and are using lessthan four channels you can use the Channel Lock Out mode to ensure the receiver will not stop on a channel without a signal If forexample you are using Auto Seek Mode and have two channels active channels one and four and find that often
64. our 4 selectable channels All system specifications are wireless end to end System Frequency Response o Frequency Response System Frequency Response 63Hz2 15kHz 3dB System Signal to Noise Ratio A gt 60dB A weighted Stereo Stereo gt 52dB Audio Output Jacks 3 5 mm connector ran mono or stereo headphones Audio Output Power 20 mW maximum at 32 ohms ontrols Channel Lock Auto Seek Channel Lock Out Squelch Indicators Channel Selection Red LED illuminates on the current channel selection Battery Type Two 2 AAA alkaline batteries or NiMH battery pack Power Battery Life 30 hours alkaline 15 hours NiMH rechargeable pack LA 364 Battery Charging Up to 9 hours Fully Automatic with NiMH battery pack and LA 350 charger 1 8 x 4 0 x 75 in 46x102x19 mm Stethoscope Arm length 8 in 203 mm Physical Shipping Weight 8 00 oz 227 grams Temperature Operation 10 C 14 F to 40 104 F Environmental Temperature Storage 20 C 4 F to 50 122 F Specifications are subject to change without notification LR 44 Lanyard IR Receiver Specifications Architectural Specification The Lanyard IR Receiver shall be capable of receiving on four camers 2 3 2 8 3 3 3 8 MHz and the channel shall be displayed on one of four front panel LEDs The receiver will accept mono or stereo earphones with a 3 5 mm connector The receiver shall be capable of being locked on a channel The receiver shall be capabl
65. put See design guide for more information on connecting multi channel systems uT2 nut ine Raz 2 wud A 4 222 1 6 L e s ce RF Signal on coaxial cable Hs 38 11 82 Setup and Operating Instructions 5 Connect LT 82 Power to Radiator s if desired The radiator s can be powered by either the transmitter Power Output or remotely with a power supply LA 205 near the radiator If powering the radiator s with the transmitter connect the transmitter Power Output to the radiator Power Input with CAT 5 cable NOTE A maximum of two radiators can be powered by each LT 82 It is important not to exceed powering more than two radiators per transmitter or extemal power supply RF Signal on coaxial cable wi oe a 3 l44 JO 55 o t I 6 Powering the LT 82 ES Plug the included power supply into the Power Input connection Plug the included power supply into the Power Input connection on the rear panel of the transmitter and then plug the power supply into an outlet ATIENTION Do notconnect the LF82 power supply to an outlet until all other power connections within the system have been made This helps to prevent power connection degradation radiator poweron CAT5 cable 6B Press the Power button Press the Power button on the front panel of tra nsmitte r s to tum the unit s on RF Signal on Coaxial cable
66. r shall have a single camer transmitting area of no lessthan 10 000 ft 929 m or greater foreach radiator specified when used with specified receiver The radiator shall be powered via CAT 5 cabling and the RF from the transmitter shall be camed by 50 ohm coaxial cable The radiator shall have three indicating LEDs for power no camer present and camer present The radiator LEDs shall be deactivated after 30 minutes if there isno audio signal present from the transmitter The radiator shall come in a white or grey color and shall include all of the mounting hardware capable of mounting the radiator ona wall on a ceiling ina comer ona desk ona mic stand oron a tripod The Listen LA 140 is specified Specifications LA 140 10 000 ft 929 m when used with Listen Receivers Termination Switch Delay Compensation Switch Indicator LEDs on off Controls User Controls compatibility switch Yellow LED Indicates no connection to transmitter or radiator Red LED Indicates power is present Indicators Green LED Indicates carrier and power are present and radiator is emitting IR signal RJ 45 connector 30VDC powered from transmitter via CAT 5 cable or op Input tional LA 205 power supply RJ 45 connector 30VDC powers up to one additional radiator Maximum two 2 radiators powered from each LT 82 transmitter or LA 205 power sup ply Emitter Power 3 Watts Dimensions H x W x D 5 50 x 8 00 x 2 60 in 140 x 203 x 66 mm
67. radiator using the design guide see page 13 of design guide Attach Radiator to Corner Mount Bracket Attach Radiatorto Comer Mount Bracket using Tilt Arm A and Tilt Arm B Use the Tilt Bolt to fasten the tilt arms together ATIENTION Note the angle measurements on Tit Am B and verify that the conectangle is selected before fully tghtening Tilt Bolt 66 A LA 140 Mounting your Radiator 8 Attach Safety Mounting Cable The radiatorhasa safety cable attached to the top ofthe swing am Thiscable must be attached to a secure base to prevent the radiatorfrom falling in the event of a mounting hardware component failing Possible injury to personsand damage to the radiator is prevented by securely attaching this cable to a base El Connect CAT 5 and Coaxial cables Connect CAT5 and Coaxial cablesto appropnate locations on radiator 67 LA 140 Mounting your Radiator Ceiling Mountin Description Radiator is mounted on the ceiling with or without a wall box available for this use Pieces Used e Wall Box Plate e Hollow Wall Mounting Screws if attaching to wall box or Hollow Wall Anchors with Screws if attached to hollow wall e Tilt Arm A e Tilt Arm B e Tilt Bolt e Mounting Hardware Screws Anchors vvith Wall Box Plat I aww D all Box Plate j Hollow Wall Anchors with Screws Wall Box Plate Mounting Screws NNA A DD Tilt Am A Tilt Am B Mounting Har
68. radiators connected together The instruc tions for connecting two radiators together with the LA 342 bracket are included with the bracket Af terthe two radiators are connected togetherall of the above instructions are the same except when the above instructions sa y to attach tilt arm B to the radiator you will instead attach tilt arm B to the dual mounting bracket Vertical Horizonte Accessones for LA 140 os Accessones gt LA 205 LA 342 IR Extended Power Supply IR Dual Radiator Mounting Bracket powerstwo LA 140 ra diators for mounting two radiators LA 70 Note You will only need the LA 205 if you vertically or horizontally CAT 5 Cable are using more than two LA 140 includes RG 58 coaxial cable and CAT 5 cable to specify length radiators per LT 82 transmitter or if you interconnect the two radiators wish to remote power the radiators D LA 112 LA 115 LA 127 RG 58 50 Ohm Coaxial Cable RG 58 BNC to RG 58 BNC Connector specify length BNC Coupler LA 391 LA 71 mu RG 58 50 Ohm Coaxial Cable RJ 45 CAT 5 Connector an specify length Pkg of 10 RJ 45 to R 45 CAT 5 Coupler LA 393 R 45 CAT 5 preassembled specify length 78 Notes 79 BEE Notes 80 Listen Stationary IR www listentech com LR 42 Stethoscope 4 Channel IR Receiver LR 44 Lanyard 4 Channel IR Receiver iss a single sound LR
69. ress the Select button two times until the LED s show 2 3 1 Using the charton a previous page note thatthisisthe Auto Seek Function r Again note thatthe channel 4 LED indicates whetherthis function is on off Press the power button to tum Auto Seek on off Exit Program Mode 107 108 Programming Examples Example 3 I want to lock out channels 2 and 3 using the Channel Lock Out Function EnterProgram Mode El When program mode isentered the first function is active and the LED s will show 1 2 3 Using the functionality chart on a previous page note that this isthe Stereo On Off Function El Pressthe Select button once so the LED s show 2 3 1 Note that this is the Channel Loc k O ut function a Press the Power button to enterthe Channel Lock Out Sub Mode Upon entry to the Channel Lock Out Sub Mode the LED s will show which channels are currently active if the unit is at default settings all four LED s will be on indicating that all channels are active Press the Select button to scroll through the 15 possible combinations of active locked out channels until the unit displays y 4 2 3 Pressthe Power button to save thissetting and retum to regularprogram mode 8 Exit Program Mode Example 4 I want to reset the unit to factory defaults EnterProgram Mode El When program mode isentered the first function is active and the LED s will show
70. rforup to eight LA 140 radiators This is discussed later in this document Power issupplied from standard CAT 5 cable while RF from the transmitter is delivered using 50 ohm RG 58 coaxial cable Each radiator is supplied with 25 feet 7 6 meters of CAT 5 and RG 58 coaxial cable Up to 100 LA 140 radiators can be daisy chained together using RG 58 cable to provide sufficient IR power for most applications Up to four LT 82 transmitters can p pp be daisy chained together using RG 58 cable to create a LAO IR Radiator multi channel system Power CAT 5 Cable qa P 8 422 s RF RG 58 50 ohm Cable LA 89 RG 58 Multi carrier 3 Interconnection Cable included LR 44 IR Lanyard Receiver LA 140 IR Radiator Radiator Power Radiators can be powered from the LT 82 up to two radiators or an additional power supply LA 205 can power up to two radiators Radiator RF RF from the last LT 82 must be daisy chained from radiator to radiator LT 82 Stationary IR Transmitter o 5 o in a System Overview Key Concepts of Designing a Stationary IR System Each LT 82 transmitter used can power two LA 140 radiators Each LT 82 transmitter used can power up to two LA 140 radiators If you design a system that requires more radiators than the transmitters can power you need to order additional LA 205 power supplies Each LA 205 can power up to two LA 140 Radiators Up to four LT 82 transmitters
71. stop working A Ifa diode goes out the radiator hasbeen designed to minimize the impact on the rest of the LEDs Worse case 12 diodes out of 84 stop working if I want to mount two radiators side by side can Ido thisand what part to need to order A Yes this is possible and often times it isrecommended You will need to order Listen part number LA 342 See page 77 formore information about the dual mounting bracket lam using Non Listen receivers with Listen LT 82 Transmitters how do know which channel to use A Please see the LT 82 specifications page to determine the operating frequencieson page 35 l am using a non Listen transmitter with a Listen LA 140 radiator what do Ineed to know A It is important that SW2 on the rear of the radiator is switched to compatibility mode This will allow the radiatorto work with other manufacturers transmitters See page 57 formore information A y 3 2 3 0 l lt gt q o o a Frequently Asked Questions Frequently Asked Questions want to occasionally tum off one or more channels in a multi channel system but don t want to have to rewire the system every time do this Is this possible A Yes The transmitter should be placed on channel Thisdoesnot add a channel to the system in your da isy chain however allows other channels to passthrough See page 40 formore information Can l make my receiver change channels automatical
72. t 15 Industry Canada RoHS All system specifications are wireless end to end System Frequency Response 63Hz 15kHz 3dB poe A EFDA Mono gt 60dB 00 A wei ystem signal to NOISE Ratio 55 Stereo gt 52dB lt 2 total harmonic distortion THD Mono Input Rear Panel Female XLR and 1 4 in combo connector balanced 0 Audio Input 1 55dBu line mic nominal input level adjustable 30 21dBu mic line maximum input level impedance 20k 1k ohms line mic phantom power 12VDC Stereo or Mono Input Rear Panel Two Phono connectors unbalanced 10 10dBu nominal input level adjustable 30dBu maximum impedance 100k ohms Input 1 and Input 2 Mixed Output Rear panel Two 2 Phono connectors unbal anced 10dBu nominal output level 19dBu maximum impedance 10 ohms Front panel One 3 5mm connector unbalanced adjustable output level 7dBu Headphone Output Monitor maximum impedance 10 ohms 100mW 32 ohms 3 5mm stereo Power Test Tone on off Channel up down Input Level Transmit Level Contour Front Panel Headset Level Controls Input 1 Level Line Mic Mic Phantom Power Input 2 Level 10 10 dBu Internal Adjustments Compression ratio for audio processor Stereo on off Processing on off Indicated by a green LED when on front panel Indicators Red LED illuminates when test tone enabled front panel Power Supply Dimensions H x W x D 1 75 x 8 50 x 9 13 in 4 5 x 21 5 x 23 c
73. tery packsin converted charging slots a Verify batteries are charging Venfy battenes are charging When units begin to charge a red LED will come on nearthe charging slot This LED will stay lit until the receivers are fully charged 5 Verify full charge Verify full charge VVhen the units are fully charged a green LED vill come on near the charging slot Receivers will charge up to 9 hoursfor a full battery life gt Red LED Charging in Process Green LED Charging Complete LA 350 351 Cord Tidy Rack The Cord Tidy Rack The Cord Tidy Rack can be used if desired to help with organizing the lanyard cordsof the LR 44 receiver during charging or storage Insert the tidy rack into the holes on top of the station to use Cord Tidy Rack L Notes LA 350 351 129 Notes TSE 0S V1 130 is lia A q R a d Lar Lay cron tea rh www listentech com INPUT a Listen ii il INPUT LEVEL CONTOUR TEST T hil CHANNEL SELECT LT 82 IA Transmitter SUPPLEMENTARY INFORMATION 201 iss a single sound Supplementary Information Table of Contents Troubleshooting Frequently Asked Questions Compliance Information Warranty Contacting Listen 133 135 137 137 137 A y D 3 0 lt Troubleshooting Troubleshooting believe my radiator has power but none of the LEDs on the front are on SW1 has been tumed OFF Tum th
74. the ON position on the radiators that are not outputting an RF signal to another radiator Termination Switch A Set LED Indicator Shutoff Switch SW1 If desired the three LED indicators on the front of the radiatorcan be disabled using this switch Set this switch to the position towards the left side of the rear of the radiator to disable the LED indicators To enable the LED indicators set this switch to the position towards the right side of the rearof the radiator 69 LED Indicator Shutoff Switch SW1 56 A LA 140 Setup and Operating Instructions 8 Set Compatibility Switch SW2 If using a Listen LT 82 Transmitter with the Listen LA 140 Radiator leave this switch in the OFF position If you are using the Listen LA 140 Radiator with another manufacturer s tra nsmitter modulator set this switch to the ON postion IMPORTANT Ensure this switch is in the OFF position whenever using the radiator with the Listen LF82 Transmitter 69 Compatibility with Other Manufacturer s Switch SW2 9 Front LED Indicators There are three LEDs located on the bottom center of the front of the radiator These LEDs are very useful for determining the current status of the radiator See below for possible LED combinations and how to interpret what the combinations mean ATIENTION The LEDs can be disabled using switch 1 located on the rear of the radiator If you believe there is power to the radiator but th
75. the channel select Up button to toggle between Process On and Off Pressthe channel select Down button to toggle betvveen Stereo On and Off If the green LED isdisplayed on the front panel that feature isenabled Once you have enabled ordisabled the features as desired let the transmitter exit the program mode by waiting five seconds 0 Set Auto Timeout Feature 10A If 30 minutes passes without audio to transmitter the unit will stop sending a signal to the radiators When the L O icon isilluminated on the LCD and a period of 30 minutes passes without audio being input to the transmitter the unit will stop sending a signal to the radiators This is done to help conserve LED life on the radiators e To disable or enable Auto Timeout Feature mn Your transmitter is shipped to you with the Auto Timeout Feature enabled Your transmitter is shipped to you with the Auto Timeout Feature enabled Z To disable the Auto Timeout Feature To disable the Auto Timeout Feature press and hold the dovvn button vvhile tuming the unit on El To enable the Auto Timeout Feature To enable the Auto Timeout Feature press and hold the up button while tuming the unit on 42 Accessones for LF 82 Accessones LA 326 Universal Rack Mounting Kit Will mount up to two LT 82 units LA 112 RG 58 50 Ohm Coaxial Cable LA 70 Specify length CAT5 Cable Specify length m D LA 115 LA 391 RG 58 BNC to LA 127 RG 58 50 Ohm Coax
76. times when the unit seeks for channel four is topson channel three you would use the Channel Lock O ut Mode to eliminate the problem Auto Seek Default is Off Auto Seek function Upon power up with the Auto Seek feature enabled the unit will search fora channel with a signal present If a signal isfound the unit will stop and stay on that channel If the unit does not find a signal it will continue to seek until one is found If the unit ison a channel with a signal it will remain on that channel until the signal is not detected fora short time at which point it will automatically seek for another channel with signal If the Select button is pressed when the unit ison a channel it will seek forthe next channel with a signal When to Enable Auto Seek It isrecommended to enable the Auto Seek feature in applications where a user will be moving from one area to another and doesnot want to have to manually change the channel on the receiver in each new area Also if it is desired that the Select button actasa seek button instead of a manual scroll to the next channel button Auto Seek should be enabled Priority If the receiverhas been locked on a channel the lock will take priority over Auto Seek Squelch Setting Default is 3 Squelch Setting The purpose of squelch isto mute the audio output of the receiver when the signal from the radiators is tumed off oristoo weak to be received Without squelch you would hear radio noise in your
77. to Seek function must be enabled See page 102 for more information Select Stereo Mono Mode If the receiver will be receiving a mono signal stereo mode is not enabled on LT 82 no action is required as Mono Mode isthe default setting However if the receiver will be receiving a stereo signal the receiver must be set to Stereo Mode to function propeny Setup Additional Programming if desired Additional programming options in addition to the Auto Seek and Stereo Mono Mode functions described above are the Channel Lock out and Squelch setting See page 102 fora complete explanation of the programming functions for the receiver 94 A A LR 42 44 Operating Instructions NOTE The following operating instructions briefly describe how a unit operates based on which programming features have been enabled disabled with the factory default settings highlighted See page 102 for detailed information about programming and operating units using non default settings ES Connect an Earphone or Headset LR 44 Model Only An earphone or headset will connect to the jack on the bottom of the unit Either mono or stereo connectors may be used with Listen receivers Make sure to push the connector all the way into the jack oo 1 Position the Unit on User s Body ATIENTION If desired this step can be done after tuming the unit on and selecting a channel as long as the front of the receiver is not obstucted during
78. tor will be stronger when new and therefore is underrated by 40 percent and the coverage pattem above accounts for this 40 percent degradation will occur after approximately 8 000 operating hours UL TIERES rss A br Eh WRG x Designing a System izontal Polar Pattern Vertical Polar Pattern pino ubsseq Designing a System t isa good idea to provide over lapping coverage like in a sprinkling system of the signal whenever possible to ensure that the signal does not have drop outs In addition you should provide special radiator coverage forshaded areas such asunder a balcony orin the front of a room where the front mounted radiatorsdo not provide enough coverage The following diagrams illustrate these concepts i Y G M 0000 QRU 2 YY 00000 El UDUR OO gugon 00000 OG 00000 Yuz uu A OO YY YY dur ROSS LL oo Except in small rooms it is recommended that at least two radiators are used to prevent shading of the IR signal 11 Design Guide 12 Designing a System lt e nu nu nu mu a If there is an area within a room such as under a balcony that is shielded from the main radiation pattern you will need to provide additional radiator s to cover this area o 5 1 507 A aa Designi
79. tup and Operating Instructions 9 Set Stereo and Process Features 9A Stereo and Process Mode Descriptions Stereo Mode A stereo signalcan be transmitted to the receivers Input 2 must be used ifa stereo signal is desired and the stereo mode must be enabled on the transmitter ATTENTION If the transmitter is in stereo mode the receivers will need to be put into stereo mode Referto page 102 for more information El Process Mode Process mode is used for Audio Gain Control AGC With the process mode enabled the LT 82 will automatically adjust for inconsistent signal input levels by raising orlowering the signal level accordingly to provide a consistent sound output level This feature should be used in applications where a consistent sound level isimportant and the input levels vary sub stantially Typically you would not want to engage the Process Mode when a speaker s emphasis is critical to the message they are conveying E To Disable or Enable Stereo and Process Features EN Transmitter is shipped to you with Stereo and Process disabled Your tra nsmitter is shipped to you with Stereo and Process disabled m With the unit on press and hold the channel select Down button VVith the unit on press and hold the channel select Dovvn button for eight seconds The program PGM icon will appearon the LCD Once in the program mode the Stereo and Processfeaturescan be tumed on and Off by pressing the channel select buttons Press
80. ubleshooting 137 Frequently Asked Questions 139 wn Compliance Information 141 Warranty 141 5 Contacting Listen 141 0 lt m ds A tE j F Stationary IR 4 www efenterb rom www ii stentecn com a INPUT a Listen ii il IMPUT LEVEL H TRANSMIT LEVEL CONTOUR TEST TOI LT 82 IR Transmitter DESIGN GUIDE 201 iss a single sound Stationary Infrared Design Guide Table of Contents Infrared Technology Overview System Overview Designing a System Design Tools i Y G o M N O Ul E p no ubis q Infrared Technology Overview i Y G M Infrared or IR technology uses infrared light to transmit audio without wires This type of tra nsmission is advantageous to RF transmission because it is secure it isnot susceptible to RF interference and one receiver can be used for multiple rooms within a facility The transmitteracceptsan audio signal and then frequency modulatesan RF camer at 2 3 2 8 3 3 and or 3 8M Hz This ca mer along with DC power to powerthe radiator is supplied to the radiator via cables The camers are then radiated into the room using IR emitter diodes This is the same technology used by the remote control of your TV set A receiver then receives the IR light and demodulates the camer Audio Solirce Receiver When designing an IR system it is important to keep the
81. until a signal is detected If however the unit is locked on the current channel this lock will ovemide Auto Seek and the unit will not change channels when the signal is lost Also if there are channelsthat have been locked out in the Channel Lock Out mode the Auto Seek will not stop on these channels See page 102 for more information 98 LR 42 44 Operating Instructions 6 Adjust Volume Level Use the control dial on the top of the unit to adjust the volume to a comfortable level Checking Battery Level and Current Channel Checking Battery Level Tapping the power button will display the battery level on the channel indicator LEDs When a battery check is initiated all four LEDs will tum on Then the LEDs will ramp down to the current battery level If all four LEDs tum on and remain on the batteries are full El The battery level will then display on the channel indicator LEDs for two seconds unless battery level is lessthan about 5 in whic h first LED will flash forfive seconds Each lit channel indic ator represents approximately 25 of the battery s capacity see chart below eon 9 76 100 E g LED off 2 A 51 75 50 gt yy 26 507 Mm 5 25 NY 1 4 99 LR 42 44 Operating Instructions ri Checking Current Channel The channel the unit is currently on is represented by the corresponding LED in the channel indicator LEDs being lit u
82. uppliesto each of the radiators Keep in mind that each transmitter and power supply can power up to two LA 140 radiators Ed Cross out the unused power supplies Crossout the unused power supplies El Write in the CAT 5 power supply cable lengths Write in the CAT 5 powersupply cable lengthsforeach radiator used in the spaces provided Review your room layout worksheet for this information Ed Determine the delay compensation for each radiator Now determine the delay compensation foreach radiator using the Delay Compensation Calculator located in the back of this design guide The correct setting of the dela y compensation is necessary only in systems where there isovenap in coverage between two or more radiators Write the dela y setting on the System Layout Worksheet The dela y setting foreach radiatorisdetermined using the calculatorand asfollows Distance of Furthest Radiator DFR Determine which radiator is the furthest from the transmitter on one of the two daisy chains Calculate the distance from the furthest radiator the tra nsmitter and record it in the first column of the delay compensation calculator See example below E Radiator Distance from Transmitter RDT Foreach radiator determine the overall distance from the transmitterto the radiator Record the value of each radiatorin the RDT column See example below E Cable Delay CD Determine and record the propagation delay of the coaxial cable being used For Listen coa
83. witch for line or mic level Phantom power available in Mic PH Power position e Input 2 Level Switch Set switch to match the level of your Input 2 source 0 input 2 Audio inputs stereo or mono Audio Outputs Input 1 and Input 2 mixed audio outputs Power Outputs Can be used to power up to two radiators Channel Display Displays what channel the LT 82 is currently on RF output indicator Indicates transmitter is outputting RF Program Mode Indicates the unit isin program mode Lock Icon Indicates the unit is locked on current channel LI 82 Setup and Operating Instructions Hi Unpack the Product Remove outer packaging and plastic cover Verify all components are present and no physicaldamage hasoccurred to the product Mount LT 82 s in Rack if desired If rack mounting the tra nsmitter s install the optional rack mount kit part LA 326 according to the instructions included with the kit 3 Interconnect Multiple LT 82s if necessary If installing more than one transmitter for multi channel applications it will be necessary to daisy chain the transmitters Connect RF output on first transmitter to RF input on second transmitter Continue daisy chaining up to four transmitters four channels a Connect LT 82 RF Signal to Radiator s Connect RF output on transmitter to RF input on radiator In multi channel systems connect the last transmitter in the daisy chain to the radiator s RF in
84. xample below Room Layout Worksheet KEY 7 ee tt TT und T 120 ff LE 14 B K 46464646464646464646 6 6464644 Designing a System i Y G o 0 5 Complete the system layout worksheet Complete the system layout worksheet forPowerand RF cable lengths delay compensation required number of power supplies and height and angle of radiators Refer to the system layout worksheet example below System Layout Worksheet YA r x xv v nnnnmnmnnnnnxxxxxxxzoznnnnxxxxvcoooooo xcco oooouooooxxxxxxxxxn r u 19nsun xxxxxxx xuxvz xx a T un an nn nanocxu Uu 15 Designing a System o 5 in a 5A Cross out the LT 82 transmitters Cross out the LT 82 transmitters not required in your system 5B Determine how many radiators will be used Determine how many radiators will be used on each radiator daisy chain by reviewing the room layout work sheet Cross out the unused radiators on the system layout worksheet Ed Write in the coaxial RF cable lengths for each radiator Write in the coaxial RF cable lengths foreach radiator used in the spaces provided Review your room la yo ut worksheet forthis information 5D Draw a connecting line from the power supply output Draw a connecting line from the power supply output of the LT 82 transmitter s and the LA 205 power s
85. xial cable the dela y is 1 54 ns ft or 5 05 nym This information can be obtained from the specific ation sheets supplied by the cable manufacturer Calculate the delay setting for each radiator Now calculate the delay setting foreach radiatorusing the Delay Compensation Calculator The calculator usesthe following formula to determine the delay setting of each radiator Delay Setting DFR RDT x CD 25 NOTE If your calculations suggest a delay setting greater than nine please contact Listen Technologies tech support for more information 16 AA Designing a System PROPAGATION RADIATOR RESULT DELAY OF CABLE DELAY SETTING jot RADIATOR 2 4 RADIATOR 2 5 RADIATOR 2 6 RADIATOR 2 3 LISTEN CABLE IS ROUNDED TO 5702775 PU WHOLE NUMBER usea Complete the system materials worksheet Complete the sytem materials worksheet that determinesthe quantity of each part number required for your system Use the Room and System Layout Worksheets to fil in this form found in the last section of this guide 6a Transmitters Fill in the number of transmitters required Each transmitter includesa short piece 15 inches of RG 58 coaxial RF cable for multiple channel installation interconnections You do not need to orderthis cable Transmitter Rack Mounting Fill in the number of rack mounting kits required One rack mount kit can mount two LT 82 transmitters ES Radiators Fill in the numberofeach type

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