Listen Technologies LR-100 user manual Troubleshooting

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LR-100 Stationary Receiver / Power Amplifier

R

www.ListenTech.com

Troubleshooting

The unit does not power up, or it has stopped operating.

i.Ensure the power supply is connected properly.

ii.The speaker terminals may be shorted (see page 19).

The audio is muted occasionally.

i.Check to see if the unit is squelching (indicated by the squelch LED). In this case, either improve the RF signal path or adjust the squelch setting for less squelch sensitivity.

I hear noise coming from the receiver.

i.You may have inadequate RF signal strength. Adjust the positioning of the anten- nas. Make the transmitter is on high power.

ii.You may be experiencing interference, try a different channel.

iii.Make sure the transmitter and receiver are on the same channel.

The channel is often accidentally changed.

i.Lock the unit on channel by pressing and holding the SEEK button for five seconds. The padlock symbol is illuminated on the LCD.

There is no audio.

i.Make sure the RECEIVE and/or AUX trim adjustments are turned clockwise.

ii.Make sure the unit is not MUTED, indicated by the MUTE LED.

iii.Make sure the unit is wired correctly.

iv.Make sure the transmitter and receiver are on the same channel.

v.Make sure the squelch adjustment is set correctly.

The audio is distorted.

i.Make sure the transmitter and receiver are on the same channel.

ii.Make sure that the SQ switch is ON or OFF for both the transmitter and receiver.

iii.Make sure the audio level is not set too high.

iv.Make sure you are not too close to the transmitter.

LISTEN TECHNOLOGIES CORPORATION 8535 South 700 West, Suite A Sandy, Utah 84070-2515 USA

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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 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 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.
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