Stationary Infrared Table of Contents | Listen Technologies LR-42

Stationary Infrared Table of Contents

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

	LT-82 Stationary IR Transmitter
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	Quick Reference Page										37
	Setup and Operating Instructions										38
	Accessories for LT-82										43

	LA-140 IR Radiator
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	Quick Reference Page										54
	Setup Instructions										55
	LED Indications										57
	Mounting your Radiator										58
	Accessories for LA-140										78

	LR-42/LR-44 4-Channel IR Receivers
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	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
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	Accessories for LR-42/LR-44										115

	LA-350/LA-351 8-Unit IR Receiver Storage/Charging Cases
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	LA-350 Charging Requirements/Instructions										125
	Cord Tidy Rack										128

	Supplementary Information
	Troubleshooting										137
	Frequently Asked Questions										139
	Compliance Information										141
	Warranty										141
	Contacting Listen										141

DesignDesign GuideGuide

LTLT--8282

LA-140 LR-42/44 LR-42/44 LA-140LR-42/44

LALA--350/351350/351

SupplementarySupplementary

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Listen Technologies LR-42, LR-44, LA-351, LA-350, LT-82LA manual Stationary Infrared Table of Contents

Contents

Page Page VHUYLFHZH·UHKHUHWROLVWHQ +HUH·VKRZWRUHDFKXV Page Stationary Infrared Table of Contents Page Page Page Stationary Infrared Design Guide Table of Contents Design Guide Infrared Technology Overview Single Channel System System Overview Multi-channel system Multiple Channel System Maximum length of CAT-5 power cable Each LT-82 transmitter used can power two LA-140 radiatorsKey Concepts of Designing a Stationary IR System Maximum length of coaxial RF cable Determine the number of audio channels Designing a SystemDetermine the room size and shape Complete the room layout worksheet Single Channel System Horizontal Polar PatternVertical Polar Pattern Designing a System Designing a System 3C Radiator Mounting Angle 3B Height of Radiators Determine the number of radiators required Complete the system layout worksheet 5E Cross out the unused power supplies 5D Draw a connecting line from the power supply output5F Write in the CAT-5 power supply cable lengths 5G Determine the delay compensation for each radiator 6A Transmitters Complete the system materials worksheet6B Transmitter Rack Mounting 6C Radiators 6H Other Accessories 6E Radiator Power Supplies6D Radiator Mounting Options Dual radiator mounting DesignDesign GuideGuide Page Room Layout Worksheet Page System Layout Worksheet Page DesignDesignLA-140GuideGuide DesignLT-82Guide Page USA System Materials WorksheetPage Page Page Page Page LT-82 Package Contents LT-82 User’s Manual Table of ContentsPage 6SHFLÀFDWLRQV Power LT-82 Block Diagram 7UDQVPLW/HYHO,QGLFDWRU6KRZVPLHGDXGLROHYHO LT-82 Quick Reference Connect LT-82 RF Signal to Radiators LT-82 Setup and Operating InstructionsUnpack the Product Mount LT-82s in Rack if desired 6B Press the Power button Connect LT-82 Power to Radiatorsif desiredPowering the LT-82 7A Select the operating channel 7B RF-Off Channel Setting InformationSelect Operating Channel 8B If using Input 8A If using InputConnect Audio Inputs 8C Test Tone if necessary Set Auto-Timeout Feature Set Stereo and Process Features $FFHVVRULHV Accessories for LT-82 DesignLT-82Guide DesignLTLT-82-82Guide DesignLT-82Guide Page Page Page Page LA-140 Package Contents LA-140 User’s Manual Table of ContentsPage $6SHFLÀFDWLRQV DUULHU3UHVHQW*UHHQ LA-140 Quick Reference Connect RF Signal LA-140 Setup and Operating InstructionsConnect Power Mount Radiator Set LED Indicator Shutoff Switch SW1 Set Delay Compensation SwitchSet Termination Switch Front LED Indicators Set Compatibility Switch SW29A Red LED 9B Yellow LED Mounting Hardware Pieces LA-140 Mounting your RadiatorOverview Wall Box Mounting Installation StepsScrew Wall Box Plate to wall Attach Tilt Arm a Pull CAT-5 and Coaxial cables through if necessary Attach Safety Mounting CableDetermine correct angle Attach Radiator to Wall Box Plate Fasten Wall Box Plate to wall Hollow Wall Mounting 3XOO&$7DQG&RDLDOFDEOHVWKURXJKKROHLQDOO%R3ODWH Attach Safety Mounting Cable ‡&RUQHU0RXQW%UDFNHW Corner Mounting Attach Corner Mount Bracket Attach Radiator to Corner Mount Bracket Pull CAT-5 and Coaxial cables through Attach Safety Mounting Cable Attach Wall Box Plate securely to ceiling Ceiling Mounting Attach Tilt Arm a Attach Safety Mounting Cable Desk/Table Mounting DesignLALALT---140140Guide82 Attach Radiator to Desk/Mic Stand Attach Universal Bracket to Mic Stand Microphone Stand Mounting Determine correct angle setting Attach Universal Bracket to tripod stand Tripod Stand Mounting Attach Tilt Arm B Dual Radiator Mounting LA-205 LA-342 Accessories for LA-140 DesignLALA--140140Guide DesignLT-82Guide DesignLALA--140140Guide DesignLT-Guide82 Page Page Page Page Listen Part Number LR-42/44 User’s Manual Table of ContentsLR-42/44 Package Contents Page ,56WHWKRVFRSH5HFHLYHU6SHFLÀFDWLRQV /DQ\DUG,55HFHLYHU6SHFLÀFDWLRQV LR-42 Quick Reference Press to turn unit on, press and hold to turn unit off LR-44 Quick Reference Determine Battery Type to be Used LR-42/44 Setup Instructions Place LA-364 battery pack in receiver Turn Unit On Connect an Earphone or Headset LR-44 model only Select a Channel and/or Program Channel Selection Method Select Stereo/Mono ModeSetup Additional Programming if desired Position the Unit on User’s Body LR-42/44 Operating Instructions LR-44 LR-42 Turn the Unit On 3A Auto-Seek Disabled Default OFF3B Auto-Seek Enabled 5A Auto-Seek Disabled Default OFF LED Sleep Mode5B Auto-Seek Enabled Select Listening Channel 7A Checking Battery Level Adjust Volume LevelChecking Battery Level and Current Channel Powering down the unit Auto Shut-Off Feature7B Checking Current Channel After 10 seconds Channel Unlock Procedure Channel Lock ProcedureLock Indicators LR-42/44 Locking Instructions Entering Program Mode Program Mode OverviewWhile in Program Mode LR-42/44 Programming Instructions 1DYLJDWLQJZLWKLQWKH3URJUDP0RGH Program Mode Functionality Diagram While in Channel Lock-Out Sub-Mode Channel Lock-Out Sub-Mode Functionality DiagramChannel Lock-Out Sub-Mode Instructions Squelch Adjustment Sub-Mode Functionality Diagram Squelch Adjustment Sub-Mode InstructionsWhile in Squelch Adjustment Sub-Mode There are two ways to exit the program mode Resetting to DefaultsExiting Program Mode Example #2 Programming ExamplesExample #1 Example #4 Want to reset the unit to factory defaultsExample #3 Example #5 Want to tighten the squelch setting to setting Stereo Mode Default is OFF Programmable Features Detailed DescriptionsChannel Lock-Out Default is All Channels Available Auto-Seek Default is Off How to Charge Batteries LR-42/44 Battery Charging Information1A NiMH Battery Pack LA-364 Requirements Place LR-42/LR-44 Receiver into a slot When the unit is seated correctly a red LED will lightWhen the receiver is fully charged the green LED will light Place LA-364 battery pack into converted tray 114 LA-364 Accessories for LR-42/44 116 Page Page Page Page LA-351 Package Contents LA-350/351 User’s Manual Table of ContentsLA-350 Package Contents Page $6SHFLÀFDWLRQV $6SHFLÀFDWLRQV Charging Instructions LA-350 Charging Requirements/InstructionsRequirements to Charge Receivers Charging Scheme Install conversion tray3A To Charge Batteries while in Receivers 3B To Charge Batteries separate from Receivers Verify full charge Place LA-364 battery packs in converted charging slotsVerify batteries are charging Cord Tidy Rack LA-350/351 Cord Tidy Rack 129 130 Page Page Page Page Supplementary Information Table of Contents Page 7URXEOHVKRRWLQJ Troubleshooting SupplementaryDesignLALT--14082Guide UHTXHQWO\$VNHG4XHVWLRQV Frequently Asked Questions \UHFKDUJHDEOHEDWWHULHVGRQ·WODVWYHU\ORQJK\ RPSOLDQFH,QIRUPDWLRQ Compliance, Warranty and Contact Information Listen Technologies Corporation 14912 Heritagecrest Way