Listen Technologies user manual LR-100 Stationary Receiver / Power Amplifier

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LR-100 Stationary Receiver / Power Amplifier

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www.ListenTech.com

For a complete description of connectors and controls, please see page 4 of this manual

Architectural Specifications:

The FM stationary receiver - power amplifier (receiver) shall be capable of receiving on 57 wide and narrow band channels in the frequency ranges of either 72 MHz or 216 MHz. The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall have an adjustable squelch with an LED indication. The frequency response of the receiver shall be within 3dB from 50 Hz to 15 kHz at 72 MHz, or within 3dB from 50 Hz to 10 kHz at 216 MHz. The signal to noise ratio shall be 80dB or greater. The receiver will have an integrated power amplifier capable of driving a 4 ohm speaker. The receiver shall be rack mountable and shall have the capability of a remote antenna. The receiver shall incorporate an LCD display that indicates channel and RF signal strength. The Listen LR- 100 is specified.

Contents of Package:

Listen Part Number:

LR-100-072 (72 MHz) or LR-100-216 (216MHz)

Helical Antenna (LA-123 for 72Mhz, LA- 124 for 216Mhz)

Power Supply (LA-201)

Detachable Terminal Block (installed on the unit)

User’s Manual

Use With:

LT-800-072 Stationary Transmitter

LT-800-216 Stationary Transmitter

LT-700-072 Portable Transmitter

LT-700-216 Portable Transmitter

LR-100-072 for 72 MHz

LR-100-216 for 216 MHz

Optional Accessories:

LA-326 Rack Mounting Kit LA-327 “L” Bracket Mounting Kit

LA-123 90 Degree Helical Antenna (72 MHz) (One included) LA-124 90 Degree Helical Antenna (216 MHz) (One included) LA-122 Universal Antenna Kit

LA-315 Portable Antenna Stand for LA-122 Universal Antenna Kit LA-127 RG58 BNC Cable Connector

LA-128 RG8 BNC Cable Connector LA-112 RG58 Coaxial Cable LA-113 RG8 Low Loss Coaxial Cable

LA-114 Coaxial Connector Installation (2 connectors) LA-316 Expansion Speaker

Thank you for purchasing this Listen product! If you have any questions or would like to offer suggestions on future Listen products, please contact us at the address shown below.

LISTEN TECHNOLOGIES CORPORATION 8535 South 700 West, Suite A Sandy, Utah 84070-2515 USA Phone: +1.801.233.8992 U.S.A. Toll Free: 1.800.330.0891 Fax: +1.801.233.8995 www.ListenTech.com

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Contents User’s Manual LR-100 Stationary Receiver / Power Amplifier Table of Contents SpecificationsLR-100 Front Panel Connections and Controls MuteLR-100 Rear Panel Connections and Controls ControlSystem Block Diagram Before Installing Your LR-100What is ListenSQTM? Important Things to Note Before Starting Your InstallationWhat is Squelch? Coaxial CableStrategies for Maximizing RF Reception with the LR-100 Battery Operation InstallationPowering the Unit AC Power Operation Installation Audio Connections Output Audio Output Audio Selection SwitchUnbalanced Audio Output LINE/MIC SwitchBalanced Audio Output Auxiliary Input Speaker ConnectionUsing a remote antenna Installation AntennaUsing the supplied helical antenna Installation Remote Control Which channels should I use? SetupUnderstanding the LCD display Input Audio Levels Setup AdjustmentsSetup VU Meter Programming Selecting SQ on or OFFChannel Selection SquelchLR-100 Stationary Receiver / Power Amplifier Resetting After an Overload Condition Troubleshooting LR-100 Stationary Receiver / Power Amplifier Channel Selection Chart 72 MHz 216 MHz FCC Statement Warranty

LR-100 specifications

The Listen Technologies LR-100 is an advanced personal listening device designed to enhance audio experiences in various settings, including classrooms, churches, theaters, and conference rooms. With its sophisticated technology and numerous features, the LR-100 ensures that users can hear every word clearly, allowing them to participate more fully in events and activities.

One of the key features of the LR-100 is its lightweight and ergonomic design, making it comfortable for users to wear for extended periods. The device is equipped with a built-in speaker and headphone jack, enabling users to connect their preferred headphones for a more personalized audio experience. This flexibility caters to users with varying preferences, ensuring that everyone can receive the audio quality they desire.

The LR-100 utilizes cutting-edge FM technology, which provides excellent audio clarity and minimizes interference, even in crowded environments. This feature is particularly vital in settings where multiple audio signals may be present, guaranteeing that users receive a clear and focused audio feed. The LR-100 has a wide operating frequency range, ensuring compatibility with various transmitters and audio sources.

The device operates on a robust battery system that delivers extended life for users in need of longer listening sessions. The LR-100 can easily be recharged via a USB port, offering convenience and reducing the need for disposable batteries. This eco-friendly option aligns with sustainability efforts while providing reliable performance for prolonged use.

A standout characteristic of the LR-100 is its adjustable volume control, allowing users to set their preferred listening level. Furthermore, the device comes with a variety of accessories, including adjustable neck loops and earphones, to accommodate different listening preferences and needs.

The LR-100 is also designed with durability in mind, featuring a rugged casing that can withstand the rigors of daily use. This resilience is particularly important for environments where devices may be handled frequently, ensuring longevity and sustained performance over time.

In conclusion, the Listen Technologies LR-100 is an exceptional personal listening device that combines convenience, performance, and adaptability. Its state-of-the-art features and technologies make it an indispensable tool for enhancing audio experiences in a range of environments, allowing users to engage more fully and enjoy every moment.