Listen Technologies
LR-500, LR-400, LR-300
user manual
Troubleshooting
Specification
72MHz Compatibility Chart
Warranty
Open the front access door
LR-400 Setup Instructions
LR-500 Battery Indicator
Adjust the volume control
Receiver has no power
Set SQ switch
Page 75
Notes
73
Page 74
Page 76
Image 75
Page 74
Page 76
Contents
User’s Manual
Welcome to Listen
Receivers Table of Contents
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LR-500 Programmable Display Receiver
Optional Accessories
LR-500 Package Contents Listen Part Number
LR-500 Table of Contents
Architectural Specifications
LR-500 Specifications
LR-500 Specifications
5mm Input Jack Listen earpiece or headset connects here
Quick Reference LR-500 Front
LR-500 Top of Unit
Quick Reference LR-500 Inside Access Door
Quick Reference LR-500 Look & Listen Display
LR-500 Battery Indicator
Remove the product
LR-500 Setup Instructions
Open the front access door
Select Battery Type
Place Batteries in Unit
Set SQ switch
Set Squelch
Connect an Earphone or Headset
Turn the Unit On
Select ChannelsLCD display will
LR-500 Operation Instructions
Is the Channel Locked on My Receiver?
Find an audio transmission using Seek
Adjust the volume control
To Lock into Only One Channel
Use the UP and Down keys to select channels
Enter the Program mode
LR-500Programming Instructions
Locking Out Unwanted Channels
Squelch
LR-500 Squelch
Squelch Programming
Squelch Programming Instructions
LR-500 Charging
LR-500 Charging Batteries
LR-500 Charging Batteries
LR-500 Wall Transformer Operation
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User’s Manual
LR-400 Package Contents Listen Part Number
LR-400 Table of Contents
Specification LR-400-072 LR-400-216
LR-400 Specifications
LR-400 Specifications
LR-400 Top of Unit
Quick Reference LR-400 Front
Battery Select Switch
Quick Reference LR-400 Inside Access Door
Quick Reference LR-400 Look & Listen Display
LR-400 Battery Indicator
LR-400 Setup Instructions
Set SQ switch
See pages 36 and 37 for squelch and programming information
Select Channels
LR-400 Operation Instructions
Find an audio transmission using Seek
LR-400 Squelch
Squelch Programming Instructions
LR-400
LR-400 Charging Batteries
LR-400 Charging Batteries
LR-400 Wall Transformer Operation
User’s Manual
LR-300 Package Contents Listen Part Number
LR-300 Table of Contents
Specifications
LR-300 Specifications
LR-300 Specifications
Quick Reference LR-300 Front
Quick Reference LR-300 Inside Access Door LR-300 Top of Unit
LR-300 Setup Instructions
Place Batteries in Unit
LR-300 Operation Instructions
LR-300 Operation & Squelch
LR-300
LR-300 Charging Batteries
LR-300 Charging Batteries
LR-300 Wall Transformer Operation
Supplementary Information
Channel Selection
Channel Selection
SQ Summary
Listen SQ
RF Reception Maximization Strategies
72MHz Compatibility Chart
Narrowband
216MHz Compatibility Chart
Compatibility Chart
Audio is distorted
Receiver Troubleshooting LR-300, LR-400, LR-500
Receiver has no power
There is no audio
Users keep changing channels
Receiver Troubleshooting
Cannot pick up the signal on the receiver
There is not sufficient range
Want to run the unit from a wall transformer
My batteries are not charging
Compliance Notice
FCC Statement
Warranty
Optional Accessories Earphone Options
Professional Camcorder Cable
Optional Accessories Connector Options
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