Listen Technologies user manual System Block Diagram, Before Installing Your LR-100

Page 6

LR-100 Stationary Receiver / Power Amplifier

System Block Diagram

R

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115VAC

 

External Power

 

 

Supply

 

 

 

 

 

LA-201

 

 

 

 

 

Remote

Antenna

(Flexible helical

antenna provided)

BNC

 

External Battery

 

Remote Control

 

 

Speaker

 

+12 VDC

3

4

5

6

7

8

 

1

2

Detachable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Common

 

 

 

Terminal

 

 

Ground

 

 

 

Electronic

 

 

Block

 

 

 

 

 

 

Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

Power

 

 

 

 

 

 

 

 

 

 

On/Off

 

 

 

 

 

Up

 

 

 

 

 

 

 

 

 

 

Down

Mute

 

 

 

 

 

 

 

 

 

 

 

 

 

Power Supply

 

 

 

 

 

Seek

 

 

 

 

CPU Module

 

 

 

 

 

Aux

Speaker

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Listen LCD Display

Output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.5MM

Headphone

 

 

 

 

 

SQ

 

 

 

Stereo

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

On/Off

 

Mic

 

 

 

 

 

 

 

 

(internal)

 

 

 

 

 

 

 

 

 

 

 

Output

 

 

 

 

 

 

 

 

Male XLR

 

Audio Processing

 

 

 

 

 

 

 

 

Balanced

Module

 

 

 

 

 

RX

Line

 

 

0 dBu

RF Receiver

 

 

 

 

 

RX + Aux

 

 

 

 

Board

 

 

Receive Level

 

 

 

 

 

Output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Phono

Squelch

 

 

 

 

 

RX or Aux

 

 

Unbalanced

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-10 dBu

 

 

 

 

 

 

Output

 

 

 

 

 

 

 

 

 

 

 

 

 

Squelch

 

 

 

 

 

Select

 

 

 

 

 

 

 

 

 

Electronic

 

 

 

 

Sensitivity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switch

 

 

 

VU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Meter

 

 

 

Auxiliary

 

 

 

 

XLR-1/4"

 

 

 

 

Level

 

 

 

 

Combo

 

 

 

 

 

 

 

 

 

Auxiliary Input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balanced

 

 

 

 

 

 

 

 

 

 

0 dBu

Phono Auxiliary Input

Unbalanced

-10 dBu

Before Installing Your LR-100

Please carefully compare the contents of your kit with the list found on page 2 of this manual. If any items are missing or damaged, please contact Listen Technologies. If items were dam- aged in shipment, contact your carrier immediately and retain all packaging for inspection by your carrier. Listen is not responsible for shipping damage.

Listen Technologies Corporation

8535 South 700 West, Suite A Sandy, Utah 84070-2515 USA Telephone: +1.801.233.8992 USA Toll Free: 1.800.330.0891 Fax: +1.801.233.8995 e-mail: info@listentech.com

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 Installation Powering the Unit AC Power OperationBattery Operation Installation Audio Connections Output Audio Output Audio Selection SwitchLINE/MIC Switch Balanced Audio OutputUnbalanced Audio Output Auxiliary Input Speaker ConnectionInstallation Antenna Using the supplied helical antennaUsing a remote antenna Installation Remote Control Setup Understanding the LCD displayWhich channels should I use? Setup Adjustments Setup VU MeterInput Audio Levels 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.