Manuals / Listen Technologies / Home Audio / Stereo Receiver

Listen Technologies LA-350, LR-42, LR-44, LA-351, LT-82LA Printed in the United States of America

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

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Listen Technologies Corporation 14912 Heritagecrest Way

%OXIIGDOH8WDK86$ +1.801.233.8992 +1.800.330.0891 North America +1.801.233.8995 fax

www.listentech.com

Printed in the United States of America

Page 148

Image 148

Listen Technologies LA-350, LR-42, LR-44, LA-351, LT-82LA manual Printed in the United States of America

Contents

Page Page Dear Valued Customer Page Stationary Infrared Table of Contents Page Page Page Infrared Technology Overview System OverviewDesigning a System Design ToolsDesign Guide DesignDesign GuideGuideInfrared Technology Overview DesignDesign GuideGuideSingle Channel System System OverviewLT-82Stationary IR Transmitter System Overview Multiple Channel SystemDesignDesign GuideGuide 8The maximum length of CAT-5power cable Key Concepts of Designing a Stationary IR System9The maximum length of coaxial RF cable System OverviewDesigning a System 1Determine the number of audio channels2Determine the room size and shape 3Complete the room layout worksheetHorizontal Polar Pattern Vertical Polar PatternDesigning a System Single Channel SystemDesigning a System The following diagrams illustrate these conceptsDesignDesign GuideGuide Designing a System Design Guide DesignDesign GuideGuideDesigning a System DesignDesign GuideGuide3B Height of Radiators 3C Radiator Mounting Angle4Determine the number of radiators required Designing a SystemDesigning a System 5Complete the system layout worksheetDesignDesign GuideGuide 5E Cross out the unused power supplies 5F Write in the CAT-5power supply cable lengths3Cable Delay CD 4Calculate the delay setting for each radiator6Complete the system materials worksheet Designing a System6A Transmitters 6B Transmitter Rack Mounting6E Radiator Power Supplies 6H Other AccessoriesDesigning a System 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 76SHFLÀFDWLRQV $UFKLWHFWXUDO6SHFLÀFDWLRQSpecification LT-82LT-82Block Diagram LT-82Quick Reference tone to aid system setup5,QSXW Input additional RF signal here for 8282GuideLT-82Setup and Operating Instructions 4Connect LT-82RF Signal to Radiators1Unpack the Product 2Mount LT-82sin Rack if desired5Connect LT-82Power to Radiatorsif desired 6Powering the LT-82LT-82Setup and Operating Instructions 6B Press the Power button7Select Operating Channel LT-82Setup and Operating Instructions7B RF-OffChannel Setting Information 7A Select the operating channel8Connect Audio Inputs LT-82Setup and Operating InstructionsXLR Wiring 8A If using Input9Set Stereo and Process Features 10Set Auto-TimeoutFeatureLT-82Setup and Operating Instructions 10B To disable or enable Auto-TimeoutFeatureAccessories for LT-82 $FFHVVRULHVRJ-45 CAT-5Connector 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 LA-140Quick Reference there is power to the radiator 5,QSXWAdjust the amount of signal delay of this switch does not matterLA-140Setup and Operating Instructions 3Connect RF Signal4 Connect Power 2Mount Radiator5Set Delay Compensation Switch 6Set Termination Switch7Set LED Indicator Shutoff Switch SW1 LA-140Setup and Operating Instructions8Set Compatibility Switch SW2 9Front LED IndicatorsLA-140Setup and Operating Instructions 9A Red LEDOverview LA-140– Mounting your RadiatorMounting Hardware Pieces Installation Steps Wall Box MountingLA-140– Mounting your Radiator Screw Wall Box Plate to wall7Attach Safety Mounting Cable LA-140- Mounting your Radiator5Determine correct angle 6Attach Radiator to Wall Box PlateHollow Wall Mounting Installation StepsLA-140– Mounting your Radiator 1Fasten Wall Box Plate to wallLA-140– Mounting your Radiator 4 5 63Attach Tilt Arm “B” Pull CAT-5and Coaxial cables through if necessary7Attach Safety Mounting Cable LA-140– Mounting your Radiator8Connect CAT-5and Coaxial cables attach to a secure baseCorner Mounting Installation StepsLA-140– Mounting your Radiator 1Fasten Wall Box Plate to wallLA-140– Mounting your Radiator 2Attach Corner Mount Bracket3 Attach Tilt Arm “A” 4Attach Tilt Arm “B”LA-140- Mounting your Radiator 5Pull CAT-5and Coaxial cables through6Determine correct angle 7Attach Radiator to Corner Mount Bracket8Attach Safety Mounting Cable LA-140– Mounting your Radiator9Connect CAT-5and Coaxial cables LTDesign-82GuideCeiling Mounting Installation StepsLA-140– Mounting your Radiator 1Attach Wall Box Plate securely to ceilingLA-140- Mounting your Radiator 3 4 52Attach Tilt Arm “A” Attach Tilt Arm “B”LA-140– Mounting your Radiator 7Attach Safety Mounting Cable8Connect CAT-5and Coaxial cables Desk/Table Mounting Installation StepsLA-140– Mounting your Radiator Attach Tilt Arm “A”LA-140– Mounting your Radiator Determine correct angleAttach Radiator to Desk/Mic Stand DesignLALALT---140140Guide82Microphone Stand Mounting Installation StepsLA-140– Mounting your Radiator 1 Attach Universal Bracket to Mic Stand4Determine correct angle setting LA-140– Mounting your RadiatorDesignLALALT---140140Guide82 Attach Radiator to Desk/Mic StandTripod Stand Mounting Installation StepsLA-140– Mounting your Radiator 1Attach Universal Bracket to tripod standLA-140- Mounting your Radiator 3Attach Tilt Arm “B”4 Determine correct angle 5Attach Radiator to Desk/Mic StandDual Radiator Mounting LA-140– Mounting your RadiatorLTDesign-82Guide Vertical HorizontalAccessories for LA-140 $FFHVVRULHVLA-205 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-42Quick Reference Use to adjust volumeLR-LALT-Design-8214042/44Guide entire lens is visible during useLR-44Quick Reference DesignLRLA-LT42/44--14082Guide3RZHU%XWWRQ entire lens is visible during useLR-42/44Setup Instructions 2Determine Battery Type to be Used1Remove alkaline battery compartment 2Open battery compartmentLR-42/44Setup Instructions 1Remove alkaline battery compartment2Place LA-364battery pack in receiver DesignLRLA-LT42/44--14082Guide3Connect an Earphone or Headset LR-44model only 4Turn Unit OnLR-42/44Setup Instructions LR-LALT-Design-8214042/44Guide7Setup Additional Programming if desired 6Select Stereo/Mono ModeLR-42/44Setup Instructions 5A Upon Power upLR-42/44Operating Instructions 1Connect an Earphone or Headset LR-44Model Only2Position the Unit on User’s Body LR-LALT-Design-8214042/44GuideLR-42/44Operating Instructions 2A 2BLR-42 LR-443 Turn the Unit On 3A Auto-SeekDisabled Default OFF3B Auto-SeekEnabled LR-42/44Operating Instructions4LED Sleep Mode 5Select Listening Channel5A Auto-SeekDisabled Default OFF 5B Auto-SeekEnabled6Adjust Volume Level 7Checking Battery Level and Current Channel7A Checking Battery Level LR-42/44Operating Instructions8Auto Shut-OffFeature 9Powering down the unitLR-42/44Operating Instructions 7B Checking Current ChannelLR-42/44Locking Instructions Locking the Receiver on One ChannelChannel Lock Procedure Channel Unlock ProcedureLR-42/44Programming Instructions Program Mode OverviewEntering Program Mode While in Program ModeProgram Mode Functionality Diagram LR-42/44Programming Instructions3URJUDPPDEOH 1DYLJDWLQJZLWKLQWKH3URJUDP0RGHChannel Lock-Out “Sub-Mode”Functionality Diagram Channel Lock-Out “Sub-Mode”InstructionsWhile in Channel Lock-Out “Sub-Mode” LR-42/44Programming InstructionsSquelch Adjustment “Sub-Mode”Instructions While in Squelch Adjustment “Sub-Mode”LR-42/44Programming Instructions 5HFHLYHU/LVSOD\6KRZVResetting to Defaults Exiting Program ModeThere are two ways to exit the program mode LR-42/44Programming InstructionsExample #1 Programming ExamplesExample #2 I want to reset the unit to factory defaults Example #3Example #4 Programming ExamplesI want to tighten the squelch setting to setting Example #5Programming Examples LR-LALT-Design-8214042/44GuideProgrammable Features Detailed Descriptions Stereo Mode Default is OFFChannel Lock-OutDefault is All Channels Available Auto-SeekDefault is OffLR-42/44Battery Charging Information 2How to Charge Batteries1Requirements 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 Accessories for LR-42/44 $FFHVVRULHVLA-364 LA-350Notes DesignLRLA-LT42/44--14082GuidePage Page Page Page LA-350/351User’s Manual Table of Contents LA-350Package ContentsLA-351Package Contents LVWHQ&RQÀJXUDWLRQVPage Features $6SHFLÀFDWLRQVFeatures $6SHFLÀFDWLRQVDesignLALA-350/351LT--14082Guide 1 Plug power supply into power source 2Plug power into charging/storage stationLA-350Charging Requirements/Instructions Requirements to Charge Receivers3Charging Scheme 3A To Charge Batteries while in Receivers3B To Charge Batteries separate from Receivers 1Install conversion tray4Verify batteries are charging 5Verify full chargeLA-350Charging Requirements/Instructions LA-LALT-Design-82140350/351GuideLA-350/351Cord Tidy Rack The Cord Tidy RackDesignLALA-350/351LT--14082Guide 1 2 3Notes DesignLALA-350/351LT--14082GuideNotes DesignLALA-350/351LT--14082GuidePage Page Page Page Supplementary Information Table of Contents Page Troubleshooting 7URXEOHVKRRWLQJMy radiator is not radiating a signal 7KHUHLVQRWVXIÀFLHQWUDQJHLQP\V\VWHPTroubleshooting 7URXEOHVKRRWLQJSupplementaryDesignLALT--14082Guide The batteries are not charging in my receiversFrequently Asked Questions UHTXHQWO\$VNHG4XHVWLRQVUHTXHQWO\$VNHG4XHVWLRQV Frequently Asked QuestionsSupplementaryDesignLALT--14082Guide Compliance, Warranty and Contact Information Warranty&RPSOLDQFH,QIRUPDWLRQ &RQWDFWLQJ/LVWHQPrinted in the United States of America