Listen Technologies LR-500, LR-300 user manual Quick Reference LR-400 Front, LR-400 Top of Unit

Page 30

LR-400 Quick Reference

Quick Reference

LR-400 Front

LED - when lit, indicates ON/OFF & VOLUME control dial unit has power.

3.5mm Input Jack

A Listen earpiece or headset connects here.

Look & Listen™ Display shows receive level, channel, battery status, and whether a channel is locked. See close-up on page 30.

LR-400 Top of Unit

LED indicators

·Steady Red: Normal operation

·Slow Flashing: Battery is low

·Slow Flashing while charging: Unit is charging

3.5mm Input Jack A Listen earpiece or headset connects here.

ON/OFF and VOLUME control dial - rotate the dial counter-clockwise to turn unit on and increase volume.

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Image 30

Contents

User’s Manual Welcome to Listen Receivers Table of Contents This page intentionally left blank LR-500 Programmable Display Receiver LR-500 Package Contents Listen Part Number Optional AccessoriesLR-500 Table of Contents LR-500 Specifications Architectural SpecificationsLR-500 Specifications Quick Reference LR-500 Front 5mm Input Jack Listen earpiece or headset connects hereQuick Reference LR-500 Inside Access Door LR-500 Top of UnitLR-500 Battery Indicator Quick Reference LR-500 Look & Listen DisplaySelect Battery Type LR-500 Setup InstructionsOpen the front access door Remove the productSet SQ switch Place Batteries in UnitSelect ChannelsLCD display will Connect an Earphone or HeadsetTurn the Unit On Set SquelchLR-500 Operation Instructions To Lock into Only One Channel Find an audio transmission using SeekAdjust the volume control Is the Channel Locked on My Receiver?Locking Out Unwanted Channels Enter the Program modeLR-500Programming Instructions Use the UP and Down keys to select channelsLR-500 Squelch SquelchSquelch Programming Instructions Squelch ProgrammingLR-500 Charging Batteries LR-500 ChargingLR-500 Charging Batteries LR-500 Wall Transformer Operation This page intentionally left blank User’s Manual LR-400 Package Contents Listen Part Number LR-400 Table of Contents LR-400 Specifications Specification LR-400-072 LR-400-216LR-400 Specifications Quick Reference LR-400 Front LR-400 Top of UnitQuick Reference LR-400 Inside Access Door Battery Select SwitchLR-400 Battery Indicator Quick Reference LR-400 Look & Listen DisplayLR-400 Setup Instructions Set SQ switch Select Channels See pages 36 and 37 for squelch and programming informationLR-400 Operation Instructions Find an audio transmission using Seek LR-400 Squelch Squelch Programming Instructions LR-400 Charging Batteries LR-400LR-400 Charging Batteries LR-400 Wall Transformer Operation User’s Manual LR-300 Package Contents Listen Part Number LR-300 Table of Contents LR-300 Specifications SpecificationsLR-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 Charging Batteries LR-300LR-300 Charging Batteries LR-300 Wall Transformer Operation Supplementary Information Channel Selection Channel Selection Listen SQ SQ SummaryRF Reception Maximization Strategies 72MHz Compatibility Chart Narrowband 216MHz Compatibility Chart Compatibility Chart There is no audio Receiver Troubleshooting LR-300, LR-400, LR-500Receiver has no power Audio is distortedThere is not sufficient range Receiver TroubleshootingCannot pick up the signal on the receiver Users keep changing channelsMy batteries are not charging Want to run the unit from a wall transformerCompliance Notice FCC Statement Warranty Optional Accessories Earphone Options Optional Accessories Connector Options Professional Camcorder CablePage

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