Manuals
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Listen Technologies
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Stereo Receiver
Listen Technologies
LR-44, LR-42, LA-351, LA-350, LT-82LA
manual
Models:
LT-82LA
LA-350
LA-351
LR-44
LR-42
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148 pages
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Troubleshooting
Install
FAQ
LT-82 Block Diagram
Connect RF Signal
Stereo Mode Default is OFF
Cable Delay CD
Front LED Indicators
Resetting to Defaults
6H Other Accessories
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Contents
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Page
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Page
Stationary Infrared Table of Contents
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Page
Stationary Infrared Design Guide Table of Contents
Design Guide
Infrared Technology Overview
System Overview
Single Channel System
Multiple Channel System
Multi-channel system
Each LT-82 transmitter used can power two LA-140 radiators
Maximum length of CAT-5 power cable
Key Concepts of Designing a Stationary IR System
Maximum length of coaxial RF cable
Designing a System
Determine the number of audio channels
Determine the room size and shape
Complete the room layout worksheet
Single Channel System
Horizontal Polar Pattern
Vertical Polar Pattern
Designing a System
Designing a System
3B Height of Radiators
3C Radiator Mounting Angle
Determine the number of radiators required
Complete the system layout worksheet
5D Draw a connecting line from the power supply output
5E Cross out the unused power supplies
5F Write in the CAT-5 power supply cable lengths
5G Determine the delay compensation for each radiator
Complete the system materials worksheet
6A Transmitters
6B Transmitter Rack Mounting
6C Radiators
6E Radiator Power Supplies
6H Other Accessories
6D Radiator Mounting Options
Dual radiator mounting
DesignDesign GuideGuide
Page
Room Layout Worksheet
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System Layout Worksheet
Page
DesignDesignLA-140GuideGuide DesignLT-82Guide
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System Materials Worksheet
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LT-82 User’s Manual Table of Contents
LT-82 Package Contents
Page
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LT-82 Block Diagram
Power
LT-82 Quick Reference
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LT-82 Setup and Operating Instructions
Connect LT-82 RF Signal to Radiators
Unpack the Product
Mount LT-82s in Rack if desired
6B Press the Power button
Connect LT-82 Power to Radiatorsif desired
Powering the LT-82
7A Select the operating channel
7B RF-Off Channel Setting Information
Select Operating Channel
8A If using Input
8B If using Input
Connect Audio Inputs
8C Test Tone if necessary
Set Stereo and Process Features
Set Auto-Timeout Feature
Accessories for LT-82
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DesignLT-82Guide
DesignLTLT-82-82Guide
DesignLT-82Guide
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LA-140 User’s Manual Table of Contents
LA-140 Package Contents
Page
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LA-140 Quick Reference
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LA-140 Setup and Operating Instructions
Connect RF Signal
Connect Power
Mount Radiator
Set LED Indicator Shutoff Switch SW1
Set Delay Compensation Switch
Set Termination Switch
Set Compatibility Switch SW2
Front LED Indicators
9A Red LED
9B Yellow LED
Mounting Hardware Pieces
LA-140 Mounting your Radiator
Overview
Installation Steps
Wall Box Mounting
Screw Wall Box Plate to wall
Attach Tilt Arm a
Attach Safety Mounting Cable
Pull CAT-5 and Coaxial cables through if necessary
Determine correct angle
Attach Radiator to Wall Box Plate
Hollow Wall Mounting
Fasten Wall Box Plate to wall
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Attach Safety Mounting Cable
Corner Mounting
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Attach Corner Mount Bracket
Pull CAT-5 and Coaxial cables through
Attach Radiator to Corner Mount Bracket
Attach Safety Mounting Cable
Ceiling Mounting
Attach Wall Box Plate securely to ceiling
Attach Tilt Arm a
Attach Safety Mounting Cable
Desk/Table Mounting
Attach Radiator to Desk/Mic Stand
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Microphone Stand Mounting
Attach Universal Bracket to Mic Stand
Determine correct angle setting
Tripod Stand Mounting
Attach Universal Bracket to tripod stand
Attach Tilt Arm B
Dual Radiator Mounting
Accessories for LA-140
LA-205 LA-342
DesignLALA--140140Guide DesignLT-82Guide
DesignLALA--140140Guide DesignLT-Guide82
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Listen Part Number
LR-42/44 User’s Manual Table of Contents
LR-42/44 Package Contents
Page
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LR-42 Quick Reference
LR-44 Quick Reference
Press to turn unit on, press and hold to turn unit off
LR-42/44 Setup Instructions
Determine Battery Type to be Used
Place LA-364 battery pack in receiver
Connect an Earphone or Headset LR-44 model only
Turn Unit On
Select a Channel and/or Program Channel Selection Method
Select Stereo/Mono Mode
Setup Additional Programming if desired
LR-42/44 Operating Instructions
Position the Unit on User’s Body
LR-42
LR-44
Turn the Unit On
3A Auto-Seek Disabled Default OFF
3B Auto-Seek Enabled
LED Sleep Mode
5A Auto-Seek Disabled Default OFF
5B Auto-Seek Enabled
Select Listening Channel
7A Checking Battery Level
Adjust Volume Level
Checking Battery Level and Current Channel
Auto Shut-Off Feature
Powering down the unit
7B Checking Current Channel
After 10 seconds
Channel Lock Procedure
Channel Unlock Procedure
Lock Indicators
LR-42/44 Locking Instructions
Program Mode Overview
Entering Program Mode
While in Program Mode
LR-42/44 Programming Instructions
Program Mode Functionality Diagram
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While in Channel Lock-Out Sub-Mode
Channel Lock-Out Sub-Mode Functionality Diagram
Channel Lock-Out Sub-Mode Instructions
Squelch Adjustment Sub-Mode Functionality Diagram
Squelch Adjustment Sub-Mode Instructions
While in Squelch Adjustment Sub-Mode
There are two ways to exit the program mode
Resetting to Defaults
Exiting Program Mode
Example #2
Programming Examples
Example #1
Example #4
Want to reset the unit to factory defaults
Example #3
Want to tighten the squelch setting to setting
Example #5
Programmable Features Detailed Descriptions
Stereo Mode Default is OFF
Channel Lock-Out Default is All Channels Available
Auto-Seek Default is Off
LR-42/44 Battery Charging Information
How to Charge Batteries
1A 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 light
When the receiver is fully charged the green LED will light
Place LA-364 battery pack into converted tray
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Accessories for LR-42/44
LA-364
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LA-351 Package Contents
LA-350/351 User’s Manual Table of Contents
LA-350 Package Contents
Page
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Charging Instructions
LA-350 Charging Requirements/Instructions
Requirements to Charge Receivers
Install conversion tray
Charging Scheme
3A To Charge Batteries while in Receivers
3B To Charge Batteries separate from Receivers
Verify full charge
Place LA-364 battery packs in converted charging slots
Verify batteries are charging
LA-350/351 Cord Tidy Rack
Cord Tidy Rack
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Supplementary Information Table of Contents
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Troubleshooting
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SupplementaryDesignLALT--14082Guide
Frequently Asked Questions
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Compliance, Warranty and Contact Information
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Listen Technologies Corporation 14912 Heritagecrest Way
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