Manuals / Listen Technologies / Home Audio / Stereo Receiver

Listen Technologies LT-82LA Infrared Technology Overview, System Overview, Designing a System

Models: LT-82LA LA-350 LA-351 LR-44 LR-42

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Stationary Infrared Design Guide Table of Contents

Infrared Technology Overview	5
System Overview	6
Designing a System	9
Design Tools	21

DesignDesign GuideGuide

Page 9

Image 9

Listen Technologies LT-82LA, LR-42, LR-44 Infrared Technology Overview, System Overview, Designing a System, Design Tools

Contents

Page Page Dear Valued Customer Page Stationary Infrared Table of Contents Page Page Page System Overview Infrared Technology OverviewDesigning a System Design ToolsDesignDesign GuideGuide Design GuideDesignDesign GuideGuide Infrared Technology OverviewSystem Overview Single Channel SystemLT-82Stationary IR Transmitter Multiple Channel System System OverviewDesignDesign GuideGuide Key Concepts of Designing a Stationary IR System 8The maximum length of CAT-5power cable9The maximum length of coaxial RF cable System Overview1Determine the number of audio channels Designing a System2Determine the room size and shape 3Complete the room layout worksheetVertical Polar Pattern Horizontal Polar PatternDesigning a System Single Channel SystemThe following diagrams illustrate these concepts Designing a SystemDesignDesign GuideGuide Design Guide DesignDesign GuideGuide Designing a SystemDesignDesign GuideGuide Designing a System3B Height of Radiators 3C Radiator Mounting AngleDesigning a System 4Determine the number of radiators required5Complete the system layout worksheet Designing a SystemDesignDesign GuideGuide 5F Write in the CAT-5power supply cable lengths 5E Cross out the unused power supplies3Cable Delay CD 4Calculate the delay setting for each radiatorDesigning a System 6Complete the system materials worksheet6A Transmitters 6B Transmitter Rack Mounting6H Other Accessories 6E Radiator Power SuppliesDesigning a System 6D Radiator Mounting OptionsDesignDesign GuideGuide NotesPage LA-DesignDesign140GuideGuide LTDesign-82Guide Room Layout WorksheetPage DesignDesign GuideGuide System Layout WorksheetPage DesignDesignLA-140GuideGuide DesignLT-82Guide Page DesignDesign GuideGuide System Materials WorksheetPage Page Page Page Page LT-82User’s Manual Table of Contents LT-82Package ContentsLVWHQ&RQÀJXUDWLRQV Page $UFKLWHFWXUDO6SHFLÀFDWLRQ 76SHFLÀFDWLRQVSpecification LT-82LT-82Block Diagram tone to aid system setup LT-82Quick Reference5,QSXW Input additional RF signal here for 8282Guide4Connect LT-82RF Signal to Radiators LT-82Setup and Operating Instructions1Unpack the Product 2Mount LT-82sin Rack if desired6Powering the LT-82 5Connect LT-82Power to Radiatorsif desiredLT-82Setup and Operating Instructions 6B Press the Power buttonLT-82Setup and Operating Instructions 7Select Operating Channel7B RF-OffChannel Setting Information 7A Select the operating channelLT-82Setup and Operating Instructions 8Connect Audio InputsXLR Wiring 8A If using Input10Set Auto-TimeoutFeature 9Set Stereo and Process FeaturesLT-82Setup and Operating Instructions 10B To disable or enable Auto-TimeoutFeature$FFHVVRULHV Accessories for LT-82RJ-45 CAT-5Connector LA-112DesignLT-82Guide DesignLT-82Guide NotesDesignLTLT-82-82Guide NotesDesignLT-82Guide DesignLT-82Guide NotesPage Page Page Page LA-140User’s Manual Table of Contents LA-140Package ContentsLVWHQ&RQÀJXUDWLRQV Page $6SHFLÀFDWLRQV $UFKLWHFWXUDO6SHFLÀFDWLRQLTDesign-82Guide there is power to the radiator 5,QSXW LA-140Quick ReferenceAdjust the amount of signal delay of this switch does not matter3Connect RF Signal LA-140Setup and Operating Instructions4 Connect Power 2Mount Radiator6Set Termination Switch 5Set Delay Compensation Switch7Set LED Indicator Shutoff Switch SW1 LA-140Setup and Operating Instructions9Front LED Indicators 8Set Compatibility Switch SW2LA-140Setup and Operating Instructions 9A Red LEDLA-140– Mounting your Radiator OverviewMounting Hardware Pieces Wall Box Mounting Installation StepsLA-140– Mounting your Radiator Screw Wall Box Plate to wallLA-140- Mounting your Radiator 7Attach Safety Mounting Cable5Determine correct angle 6Attach Radiator to Wall Box PlateInstallation Steps Hollow Wall MountingLA-140– Mounting your Radiator 1Fasten Wall Box Plate to wall4 5 6 LA-140– Mounting your Radiator3Attach Tilt Arm “B” Pull CAT-5and Coaxial cables through if necessaryLA-140– Mounting your Radiator 7Attach Safety Mounting Cable8Connect CAT-5and Coaxial cables attach to a secure baseInstallation Steps Corner MountingLA-140– Mounting your Radiator 1Fasten Wall Box Plate to wall2Attach Corner Mount Bracket LA-140– Mounting your Radiator3 Attach Tilt Arm “A” 4Attach Tilt Arm “B”5Pull CAT-5and Coaxial cables through LA-140- Mounting your Radiator6Determine correct angle 7Attach Radiator to Corner Mount BracketLA-140– Mounting your Radiator 8Attach Safety Mounting Cable9Connect CAT-5and Coaxial cables LTDesign-82GuideInstallation Steps Ceiling MountingLA-140– Mounting your Radiator 1Attach Wall Box Plate securely to ceiling3 4 5 LA-140- Mounting your Radiator2Attach Tilt Arm “A” Attach Tilt Arm “B”7Attach Safety Mounting Cable LA-140– Mounting your Radiator8Connect CAT-5and Coaxial cables Installation Steps Desk/Table MountingLA-140– Mounting your Radiator Attach Tilt Arm “A”Determine correct angle LA-140– Mounting your RadiatorAttach Radiator to Desk/Mic Stand DesignLALALT---140140Guide82Installation Steps Microphone Stand MountingLA-140– Mounting your Radiator 1 Attach Universal Bracket to Mic StandLA-140– Mounting your Radiator 4Determine correct angle settingDesignLALALT---140140Guide82 Attach Radiator to Desk/Mic StandInstallation Steps Tripod Stand MountingLA-140– Mounting your Radiator 1Attach Universal Bracket to tripod stand3Attach Tilt Arm “B” LA-140- Mounting your Radiator4 Determine correct angle 5Attach Radiator to Desk/Mic StandLA-140– Mounting your Radiator Dual Radiator MountingLTDesign-82Guide Vertical Horizontal$FFHVVRULHV Accessories for LA-140LA-205 LA-342DesignLALA--140140Guide DesignLT-82Guide NotesDesignLALA--140140Guide DesignLT-Guide82 NotesPage Page Page Page LR-42/44User’s Manual Table of Contents LR-42/44Package ContentsListen Part Number Page 5,56WHWKRVFRSH5HFHLYHU6SHFLÀFDWLRQV $UFKLWHFWXUDO6SHFLÀFDWLRQLR-LALT-Design-8214042/44Guide 5/DQ\DUG,55HFHLYHU6SHFLÀFDWLRQV $UFKLWHFWXUDO6SHFLÀFDWLRQDesignLRLA-LT42/44--14082Guide Use to adjust volume LR-42Quick ReferenceLR-LALT-Design-8214042/44Guide entire lens is visible during useDesignLRLA-LT42/44--14082Guide LR-44Quick Reference3RZHU%XWWRQ entire lens is visible during use2Determine Battery Type to be Used LR-42/44Setup Instructions1Remove alkaline battery compartment 2Open battery compartment1Remove alkaline battery compartment LR-42/44Setup Instructions2Place LA-364battery pack in receiver DesignLRLA-LT42/44--14082Guide4Turn Unit On 3Connect an Earphone or Headset LR-44model onlyLR-42/44Setup Instructions LR-LALT-Design-8214042/44Guide6Select Stereo/Mono Mode 7Setup Additional Programming if desiredLR-42/44Setup Instructions 5A Upon Power up1Connect an Earphone or Headset LR-44Model Only LR-42/44Operating Instructions2Position the Unit on User’s Body LR-LALT-Design-8214042/44Guide2A 2B LR-42/44Operating InstructionsLR-42 LR-443A Auto-SeekDisabled Default OFF 3 Turn the Unit On3B Auto-SeekEnabled LR-42/44Operating Instructions5Select Listening Channel 4LED Sleep Mode5A Auto-SeekDisabled Default OFF 5B Auto-SeekEnabled7Checking Battery Level and Current Channel 6Adjust Volume Level7A Checking Battery Level LR-42/44Operating Instructions9Powering down the unit 8Auto Shut-OffFeatureLR-42/44Operating Instructions 7B Checking Current ChannelLocking the Receiver on One Channel LR-42/44Locking InstructionsChannel Lock Procedure Channel Unlock ProcedureProgram Mode Overview LR-42/44Programming InstructionsEntering Program Mode While in Program ModeLR-42/44Programming Instructions Program Mode Functionality Diagram3URJUDPPDEOH 1DYLJDWLQJZLWKLQWKH3URJUDP0RGHChannel Lock-Out “Sub-Mode”Instructions Channel Lock-Out “Sub-Mode”Functionality DiagramWhile in Channel Lock-Out “Sub-Mode” LR-42/44Programming InstructionsWhile in Squelch Adjustment “Sub-Mode” Squelch Adjustment “Sub-Mode”InstructionsLR-42/44Programming Instructions 5HFHLYHU/LVSOD\6KRZVExiting Program Mode Resetting to DefaultsThere are two ways to exit the program mode LR-42/44Programming InstructionsProgramming Examples Example #1Example #2 Example #3 I want to reset the unit to factory defaultsExample #4 Programming ExamplesExample #5 I want to tighten the squelch setting to settingProgramming Examples LR-LALT-Design-8214042/44GuideStereo Mode Default is OFF Programmable Features Detailed DescriptionsChannel Lock-OutDefault is All Channels Available Auto-SeekDefault is Off2How to Charge Batteries LR-42/44Battery Charging Information1Requirements 1A NiMH Battery Pack LA-364LR-42/44Battery Charging Information 2Place LR-42/LR-44Receiver into a slotDesignLRLA-LT42/44--14082Guide LR-42/44Battery Charging Information Place LA-364battery pack into converted trayLR-LALT-Design-8214042/44Guide LR-42/44Battery Charging Information DesignLRLA-LT42/44--14082Guideper month $FFHVVRULHV Accessories for LR-42/44LA-364 LA-350DesignLRLA-LT42/44--14082Guide NotesPage Page Page Page LA-350Package Contents LA-350/351User’s Manual Table of ContentsLA-351Package Contents LVWHQ&RQÀJXUDWLRQVPage $6SHFLÀFDWLRQV Features$6SHFLÀFDWLRQV FeaturesDesignLALA-350/351LT--14082Guide 2Plug power into charging/storage station 1 Plug power supply into power sourceLA-350Charging Requirements/Instructions Requirements to Charge Receivers3A To Charge Batteries while in Receivers 3Charging Scheme3B To Charge Batteries separate from Receivers 1Install conversion tray5Verify full charge 4Verify batteries are chargingLA-350Charging Requirements/Instructions LA-LALT-Design-82140350/351GuideThe Cord Tidy Rack LA-350/351Cord Tidy RackDesignLALA-350/351LT--14082Guide 1 2 3DesignLALA-350/351LT--14082Guide NotesDesignLALA-350/351LT--14082Guide NotesPage Page Page Page Supplementary Information Table of Contents Page 7URXEOHVKRRWLQJ TroubleshootingMy radiator is not radiating a signal 7KHUHLVQRWVXIÀFLHQWUDQJHLQP\V\VWHP7URXEOHVKRRWLQJ TroubleshootingSupplementaryDesignLALT--14082Guide The batteries are not charging in my receiversUHTXHQWO\$VNHG4XHVWLRQV Frequently Asked QuestionsFrequently Asked Questions UHTXHQWO\$VNHG4XHVWLRQVSupplementaryDesignLALT--14082Guide Warranty Compliance, Warranty and Contact Information&RPSOLDQFH,QIRUPDWLRQ &RQWDFWLQJ/LVWHQPrinted in the United States of America