Listen Technologies user manual LR-100 Front Panel Connections and Controls, Mute

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LR-100 Stationary Receiver / Power Amplifier

LR-100 Front Panel - Connections and Controls

R

www.ListenTech.com

VU METER

Set Receive and Auxiliary levels so that the red LED (at right) does not illuminate

MUTE

When illuminated, the OUTPUT audio is muted. MUTE is activated and deactivated by a momentary closure to ground on the rear detachable terminal block (see next page)

SQUELCH INDICATOR When adjusted properly, this indicator is illuminated when the transmitter is off

UP BUTTON

Selects the next channel up

SEEK BUTTON

Press to find the next strongest signal. Also used to lock / unlock channel selection; press and hold for 5 seconds. Lock status is indicated by padlock symbol in the LCD display

POWER SWITCH

If operated on battery, switch is inoperative

ACCESS PANEL

Remove to make set-up adjust- ments

 

HEADPHONE

DOWN BUTTON

Connect a mono or stereo

Selects the next channel down

headphone here - 3.5 mm plug

 

(mini)

LCD PANEL

 

Indicates signal strength, channel

SPEAKER CONTROL

indication, program mode, and

Adjusts the volume of your

locked mode (see closeup below)

loudspeaker connected to the LR-

 

 

100 and/or the headphone

 

connected to the unit

BEHIND ACCESS PANEL

LCD PANEL DETAILS

RECEIVE audio level adjustment

SQ - to activate, move to the ON position (for more information on Listen SQTM, see page 7)

RF Signal Strength

Channel Indication

L/O - When in the programming mode, this symbol indicates the channel is locked out and will not be displayed to the user

AUXILIARY audio level adjust-SQUELCH - adjust so that

mentwhen the transmitter is off, the Squelch LED is illuminated. When squelched, receive audio is muted

PGM - indicates the unit is in the program mode that allows you to lock out channels that are not used

LOCK - When the padlock icon is visible, the unit is locked and you cannot change the channel. Press and hold SEEK for 5 seconds to lock or unlock

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-100Important Things to Note Before Starting Your Installation What is Squelch?What is ListenSQTM? Coaxial CableStrategies for Maximizing RF Reception with the LR-100 Powering the Unit AC Power Operation InstallationBattery Operation Installation Audio Connections Output Audio Output Audio Selection SwitchBalanced Audio Output LINE/MIC SwitchUnbalanced Audio Output Auxiliary Input Speaker ConnectionUsing the supplied helical antenna Installation AntennaUsing a remote antenna Installation Remote Control Understanding the LCD display SetupWhich channels should I use? Setup VU Meter Setup AdjustmentsInput Audio Levels Selecting SQ on or OFF Channel SelectionProgramming 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.