Listen Technologies LR-100 Selecting SQ on or OFF, Channel Selection, Programming, Squelch

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LR-100 Stationary Receiver / Power Amplifier

Selecting SQ ON or OFF

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See “What is Listen SQ?” on page 6. If the transmitter that is broadcasting to the LR-100 is SQ capable, make sure the SQ switch for the transmitter and the LR-100 is turned ON. If not, the SQ switch should be turned OFF.

Channel Selection

Select the most appropriate channel by pressing the UP or DOWN button (see What Channel Should I Use? on page 15). You can optionally press the SEEK button and the unit will SEEK for the strongest RF signal. Please note that the unit will stop on interfering signals and adja- cent channels. In this case, redepress the SEEK button.

a.Locking the unit on channel. The unit can be locked on channel by pressing and HOLDING the SEEK button for five seconds. In this case, the padlock symbol on the LCD will be displayed. Repeat this process to unlock.

b.NOTE: It is highly recommended to lock the channel after installation to prevent accidental channel selection.

Programming

In some cases, you may choose to give users the ability to select multiple channels. For ex- ample, you’re are using the LR-100 for language interpretation. In this example, channels A, E and I are three different languages. You can use the LR-100 programming feature to lock out all but the three channels used in this example. By pressing the UP or DOWN button, the user can select between the three channels.

To program the LR-100:

i.Simultaneously press and hold the UP and DOWN button. You will notice the PGM indicator on the LCD indicating you are in the programming mode (the unit will go out of the programming mode if you don’t press a key for 10 seconds).

ii.Now use the UP and DOWN buttons to select the channels you want to lock out.

iii.Press the SEEK button to lock out a channel (lock out means the channel will not be displayed to the user). You will notice that the L/O symbol is displayed on the LCD indicating the channel is locked. To reverse the lock out process, simply press the SEEK button on locked out channels.

iv.When completed programming, don’t press any key for 10 seconds and the unit will exit the programming mode.

Squelch

See “What is Squelch?” on page 7. The squelch adjustment is important to ensure the radio audio is muted when no transmit signal is present. You want to set the squelch adjustment for the highest setting without squelching the incoming signal.

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Contents User’s Manual LR-100 Stationary Receiver / Power Amplifier Specifications Table of ContentsMute LR-100 Front Panel Connections and ControlsControl LR-100 Rear Panel Connections and ControlsBefore Installing Your LR-100 System Block DiagramWhat is Squelch? Important Things to Note Before Starting Your InstallationWhat is ListenSQTM? Coaxial CableStrategies for Maximizing RF Reception with the LR-100 Battery Operation InstallationPowering the Unit AC Power Operation Output Audio Selection Switch Installation Audio Connections Output AudioUnbalanced Audio Output LINE/MIC SwitchBalanced Audio Output Speaker Connection Auxiliary InputUsing 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 Channel Selection Selecting SQ on or OFFProgramming 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.