Listen Technologies LR-500, LR-400 user manual LR-300 Operation & Squelch

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portable receivers when SEEK button is pressed.
If locked, LED flashes on all

LR-300 Operation Instructions continued

To Lock into Only One Channel

Press and hold the SEEK button for 5 seconds to lock a receiver onto the currently tuned channel. Press and hold the button again to unlock. When locked the LED on top of the unit will flash when you press the SEEK button.

Is the Channel Locked on My Receiver?

On the LR-300, when the channel is locked the red LED on the top of the unit will flash when you press the SEEK button.

LR-300 Operation & Squelch

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Contents
User’s Manual Welcome to Listen Receivers Table of Contents This page intentionally left blank LR-500 Programmable Display Receiver Optional Accessories LR-500 Package Contents Listen Part NumberLR-500 Table of Contents Architectural Specifications LR-500 SpecificationsLR-500 Specifications 5mm Input Jack Listen earpiece or headset connects here Quick Reference LR-500 FrontLR-500 Top of Unit Quick Reference LR-500 Inside Access DoorQuick Reference LR-500 Look & Listen Display LR-500 Battery IndicatorOpen the front access door LR-500 Setup InstructionsSelect Battery Type Remove the productPlace Batteries in Unit Set SQ switchTurn the Unit On Connect an Earphone or HeadsetSelect ChannelsLCD display will Set SquelchLR-500 Operation Instructions Adjust the volume control Find an audio transmission using SeekTo Lock into Only One Channel Is the Channel Locked on My Receiver?LR-500Programming Instructions Enter the Program modeLocking Out Unwanted Channels Use the UP and Down keys to select channelsSquelch LR-500 SquelchSquelch Programming Squelch Programming InstructionsLR-500 Charging LR-500 Charging BatteriesLR-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 Specification LR-400-072 LR-400-216 LR-400 SpecificationsLR-400 Specifications LR-400 Top of Unit Quick Reference LR-400 FrontBattery Select Switch Quick Reference LR-400 Inside Access DoorQuick Reference LR-400 Look & Listen Display LR-400 Battery IndicatorLR-400 Setup Instructions Set SQ switch See pages 36 and 37 for squelch and programming information Select ChannelsLR-400 Operation Instructions Find an audio transmission using Seek LR-400 Squelch Squelch Programming Instructions LR-400 LR-400 Charging BatteriesLR-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 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 LR-300 Charging BatteriesLR-300 Charging Batteries LR-300 Wall Transformer Operation Supplementary Information Channel Selection Channel Selection SQ Summary Listen SQRF Reception Maximization Strategies 72MHz Compatibility Chart Narrowband 216MHz Compatibility Chart Compatibility Chart Receiver has no power Receiver Troubleshooting LR-300, LR-400, LR-500There is no audio Audio is distortedCannot pick up the signal on the receiver Receiver TroubleshootingThere is not sufficient range Users keep changing channelsWant to run the unit from a wall transformer My batteries are not chargingCompliance Notice FCC Statement Warranty Optional Accessories Earphone Options Professional Camcorder Cable Optional Accessories Connector OptionsPage
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