Manuals / Listen Technologies / Home Audio / Stereo Receiver

Listen Technologies LR-42, LR-44, LA-351, LA-350, LT-82LA manual DesignDesign GuideGuide

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

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Design Guide

DesignDesign GuideGuide

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Listen Technologies LR-42, LR-44, LA-351, LA-350, LT-82LA manual DesignDesign GuideGuide

Contents

Page Page Dear Valued Customer Page Stationary Infrared Table of Contents Page Page Page Designing a System Infrared Technology OverviewSystem Overview Design ToolsDesign Guide DesignDesign GuideGuideInfrared Technology Overview DesignDesign GuideGuideSingle Channel System System OverviewLT-82Stationary IR Transmitter System Overview Multiple Channel SystemDesignDesign GuideGuide 9The maximum length of coaxial RF cable 8The maximum length of CAT-5power cableKey Concepts of Designing a Stationary IR System System Overview2Determine the room size and shape Designing a System1Determine the number of audio channels 3Complete the room layout worksheetDesigning a System Horizontal Polar PatternVertical Polar Pattern Single Channel SystemDesigning a System The following diagrams illustrate these conceptsDesignDesign GuideGuide Designing a System Design Guide DesignDesign GuideGuide3B Height of Radiators Designing a SystemDesignDesign GuideGuide 3C Radiator Mounting Angle4Determine the number of radiators required Designing a SystemDesigning a System 5Complete the system layout worksheetDesignDesign GuideGuide 3Cable Delay CD 5E Cross out the unused power supplies5F Write in the CAT-5power supply cable lengths 4Calculate the delay setting for each radiator6A Transmitters 6Complete the system materials worksheetDesigning a System 6B Transmitter Rack MountingDesigning a System 6E Radiator Power Supplies6H Other Accessories 6D Radiator Mounting OptionsNotes DesignDesign GuideGuidePage Room Layout Worksheet LA-DesignDesign140GuideGuide LTDesign-82GuidePage System Layout Worksheet DesignDesign GuideGuidePage DesignDesignLA-140GuideGuide DesignLT-82Guide Page System Materials Worksheet DesignDesign GuideGuidePage Page Page Page Page LT-82Package Contents LT-82User’s Manual Table of ContentsLVWHQ&RQÀJXUDWLRQV Page Specification 76SHFLÀFDWLRQV$UFKLWHFWXUDO6SHFLÀFDWLRQ LT-82LT-82Block Diagram 5,QSXW Input additional RF signal here for LT-82Quick Referencetone to aid system setup 8282Guide1Unpack the Product LT-82Setup and Operating Instructions4Connect LT-82RF Signal to Radiators 2Mount LT-82sin Rack if desiredLT-82Setup and Operating Instructions 5Connect LT-82Power to Radiatorsif desired6Powering the LT-82 6B Press the Power button7B RF-OffChannel Setting Information 7Select Operating ChannelLT-82Setup and Operating Instructions 7A Select the operating channelXLR Wiring 8Connect Audio InputsLT-82Setup and Operating Instructions 8A If using InputLT-82Setup and Operating Instructions 9Set Stereo and Process Features10Set Auto-TimeoutFeature 10B To disable or enable Auto-TimeoutFeatureRJ-45 CAT-5Connector Accessories for LT-82$FFHVVRULHV LA-112Notes DesignLT-82Guide DesignLT-82GuideNotes DesignLTLT-82-82GuideNotes DesignLT-82Guide DesignLT-82GuidePage Page Page Page LA-140Package Contents LA-140User’s Manual Table of ContentsLVWHQ&RQÀJXUDWLRQV Page $UFKLWHFWXUDO6SHFLÀFDWLRQ $6SHFLÀFDWLRQVLTDesign-82Guide Adjust the amount of signal delay LA-140Quick Referencethere is power to the radiator 5,QSXW of this switch does not matter4 Connect Power LA-140Setup and Operating Instructions3Connect RF Signal 2Mount Radiator7Set LED Indicator Shutoff Switch SW1 5Set Delay Compensation Switch6Set Termination Switch LA-140Setup and Operating InstructionsLA-140Setup and Operating Instructions 8Set Compatibility Switch SW29Front LED Indicators 9A Red LEDOverview LA-140– Mounting your RadiatorMounting Hardware Pieces LA-140– Mounting your Radiator Installation StepsWall Box Mounting Screw Wall Box Plate to wall5Determine correct angle 7Attach Safety Mounting CableLA-140- Mounting your Radiator 6Attach Radiator to Wall Box PlateLA-140– Mounting your Radiator Hollow Wall MountingInstallation Steps 1Fasten Wall Box Plate to wall3Attach Tilt Arm “B” LA-140– Mounting your Radiator4 5 6 Pull CAT-5and Coaxial cables through if necessary8Connect CAT-5and Coaxial cables 7Attach Safety Mounting CableLA-140– Mounting your Radiator attach to a secure baseLA-140– Mounting your Radiator Corner MountingInstallation Steps 1Fasten Wall Box Plate to wall3 Attach Tilt Arm “A” LA-140– Mounting your Radiator2Attach Corner Mount Bracket 4Attach Tilt Arm “B”6Determine correct angle LA-140- Mounting your Radiator5Pull CAT-5and Coaxial cables through 7Attach Radiator to Corner Mount Bracket9Connect CAT-5and Coaxial cables 8Attach Safety Mounting CableLA-140– Mounting your Radiator LTDesign-82GuideLA-140– Mounting your Radiator Ceiling MountingInstallation Steps 1Attach Wall Box Plate securely to ceiling2Attach Tilt Arm “A” LA-140- Mounting your Radiator3 4 5 Attach Tilt Arm “B”LA-140– Mounting your Radiator 7Attach Safety Mounting Cable8Connect CAT-5and Coaxial cables LA-140– Mounting your Radiator Desk/Table MountingInstallation Steps Attach Tilt Arm “A”Attach Radiator to Desk/Mic Stand LA-140– Mounting your RadiatorDetermine correct angle DesignLALALT---140140Guide82LA-140– Mounting your Radiator Microphone Stand MountingInstallation Steps 1 Attach Universal Bracket to Mic StandDesignLALALT---140140Guide82 4Determine correct angle settingLA-140– Mounting your Radiator Attach Radiator to Desk/Mic StandLA-140– Mounting your Radiator Tripod Stand MountingInstallation Steps 1Attach Universal Bracket to tripod stand4 Determine correct angle LA-140- Mounting your Radiator3Attach Tilt Arm “B” 5Attach Radiator to Desk/Mic StandLTDesign-82Guide Dual Radiator MountingLA-140– Mounting your Radiator Vertical HorizontalLA-205 Accessories for LA-140$FFHVVRULHV LA-342Notes DesignLALA--140140Guide DesignLT-82GuideNotes DesignLALA--140140Guide DesignLT-Guide82Page Page Page Page LR-42/44Package Contents LR-42/44User’s Manual Table of ContentsListen Part Number Page $UFKLWHFWXUDO6SHFLÀFDWLRQ 5,56WHWKRVFRSH5HFHLYHU6SHFLÀFDWLRQVLR-LALT-Design-8214042/44Guide $UFKLWHFWXUDO6SHFLÀFDWLRQ 5/DQ\DUG,55HFHLYHU6SHFLÀFDWLRQVDesignLRLA-LT42/44--14082Guide LR-LALT-Design-8214042/44Guide LR-42Quick ReferenceUse to adjust volume entire lens is visible during use3RZHU%XWWRQ LR-44Quick ReferenceDesignLRLA-LT42/44--14082Guide entire lens is visible during use1Remove alkaline battery compartment LR-42/44Setup Instructions2Determine Battery Type to be Used 2Open battery compartment2Place LA-364battery pack in receiver LR-42/44Setup Instructions1Remove alkaline battery compartment DesignLRLA-LT42/44--14082GuideLR-42/44Setup Instructions 3Connect an Earphone or Headset LR-44model only4Turn Unit On LR-LALT-Design-8214042/44GuideLR-42/44Setup Instructions 7Setup Additional Programming if desired6Select Stereo/Mono Mode 5A Upon Power up2Position the Unit on User’s Body LR-42/44Operating Instructions1Connect an Earphone or Headset LR-44Model Only LR-LALT-Design-8214042/44GuideLR-42 LR-42/44Operating Instructions2A 2B LR-443B Auto-SeekEnabled 3 Turn the Unit On3A Auto-SeekDisabled Default OFF LR-42/44Operating Instructions5A Auto-SeekDisabled Default OFF 4LED Sleep Mode5Select Listening Channel 5B Auto-SeekEnabled7A Checking Battery Level 6Adjust Volume Level7Checking Battery Level and Current Channel LR-42/44Operating InstructionsLR-42/44Operating Instructions 8Auto Shut-OffFeature9Powering down the unit 7B Checking Current ChannelChannel Lock Procedure LR-42/44Locking InstructionsLocking the Receiver on One Channel Channel Unlock ProcedureEntering Program Mode LR-42/44Programming InstructionsProgram Mode Overview While in Program Mode3URJUDPPDEOH Program Mode Functionality DiagramLR-42/44Programming Instructions 1DYLJDWLQJZLWKLQWKH3URJUDP0RGHWhile in Channel Lock-Out “Sub-Mode” Channel Lock-Out “Sub-Mode”Functionality DiagramChannel Lock-Out “Sub-Mode”Instructions LR-42/44Programming InstructionsLR-42/44Programming Instructions Squelch Adjustment “Sub-Mode”InstructionsWhile in Squelch Adjustment “Sub-Mode” 5HFHLYHU/LVSOD\6KRZVThere are two ways to exit the program mode Resetting to DefaultsExiting Program Mode LR-42/44Programming InstructionsExample #1 Programming ExamplesExample #2 Example #4 I want to reset the unit to factory defaultsExample #3 Programming ExamplesProgramming Examples I want to tighten the squelch setting to settingExample #5 LR-LALT-Design-8214042/44GuideChannel Lock-OutDefault is All Channels Available Programmable Features Detailed DescriptionsStereo Mode Default is OFF Auto-SeekDefault is Off1Requirements LR-42/44Battery Charging Information2How to Charge Batteries 1A NiMH Battery Pack LA-3642Place LR-42/LR-44Receiver into a slot LR-42/44Battery Charging InformationDesignLRLA-LT42/44--14082Guide Place LA-364battery pack into converted tray LR-42/44Battery Charging InformationLR-LALT-Design-8214042/44Guide DesignLRLA-LT42/44--14082Guide LR-42/44Battery Charging Informationper month LA-364 Accessories for LR-42/44$FFHVVRULHV LA-350Notes DesignLRLA-LT42/44--14082GuidePage Page Page Page LA-351Package Contents LA-350/351User’s Manual Table of ContentsLA-350Package Contents LVWHQ&RQÀJXUDWLRQVPage Features $6SHFLÀFDWLRQVFeatures $6SHFLÀFDWLRQVDesignLALA-350/351LT--14082Guide LA-350Charging Requirements/Instructions 1 Plug power supply into power source2Plug power into charging/storage station Requirements to Charge Receivers3B To Charge Batteries separate from Receivers 3Charging Scheme3A To Charge Batteries while in Receivers 1Install conversion trayLA-350Charging Requirements/Instructions 4Verify batteries are charging5Verify full charge LA-LALT-Design-82140350/351GuideDesignLALA-350/351LT--14082Guide LA-350/351Cord Tidy RackThe Cord Tidy Rack 1 2 3Notes DesignLALA-350/351LT--14082GuideNotes DesignLALA-350/351LT--14082GuidePage Page Page Page Supplementary Information Table of Contents Page My radiator is not radiating a signal Troubleshooting7URXEOHVKRRWLQJ 7KHUHLVQRWVXIÀFLHQWUDQJHLQP\V\VWHPSupplementaryDesignLALT--14082Guide Troubleshooting7URXEOHVKRRWLQJ The batteries are not charging in my receiversFrequently Asked Questions UHTXHQWO\$VNHG4XHVWLRQVUHTXHQWO\$VNHG4XHVWLRQV Frequently Asked QuestionsSupplementaryDesignLALT--14082Guide &RPSOLDQFH,QIRUPDWLRQ Compliance, Warranty and Contact InformationWarranty &RQWDFWLQJ/LVWHQPrinted in the United States of America