Listen Technologies LR-300, LR-500 manual LR-400 Setup Instructions

Page 29

LR-400 Setup Instructions

1Remove the product

Remove outer packaging and plastic cover. Inspect for physical damage. If damage is apparent, please contact Listen Technologies Corporation technical support for assistance.

2 Open the front access door

If locked, use a pocketknife or small screwdriver to unlock the door locks on both sides of the unit. To unlock the door, rotate the lock 1/4 turn counterclockwise.

Grip the two tabs with your thumb and index finger and pull the door downward. Do NOT place batteries in the unit yet.

3 Select Battery Type

You have two choices: NiMH and Alkaline. The unit is shipped with the switch

Unlocked

Locked

in the Alkaline position. Use a pen or small screwdriver to select the battery

 

 

type.

 

 

CAUTION: If you are using any battery type other than rechargeable Nickel

 

 

Metal Hydride (NiMH) batteries, make sure the BATTERY selection switch is in

 

 

the alkaline position.

 

 

WARNING: Do not place the BATTERY switch in the NiMH position if you are not using Nickel Metal Hydride Batteries. The NiMH position will attempt to charge any batteries in the unit, even if they are not the proper type. Charging non-Nickel Metal Hydride (NiMH) batteries will result in physical harm, destruction of property and/or fire.

4

Set SQ switch

The SQ switch is inside the battery compartment next to the Battery Select switch. The unit is

 

 

shipped with SQ in the ON position. To turn it off, use a small screwdriver or pen to slide the switch to

 

the OFF position (to the right). See page 45 for more information on SQ.

 

SQ™ Select Switch

 

Battery Select Switch

5 Place Batteries in Unit

Place two AA batteries in the compartment, making note of the battery polarity shown in the battery compartment, and again verifying that the BATTERY SELECT switch is in the correct position for the batteries you are using. (ALK should be selected for all battery types other than NiMH).

NOTE: Listen provides industrial strength AA alkaline batteries (part number LA-361) and high performance AA Nickel Metal Hydride batteries (part number LA-362). These may be purchased from your Listen dealer.

LR-400

25

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Contents Page Page Page Page Receivers Table of Contents Page Page Page LR-500 Table of Contents LR-500 Package Contents Architectural Specifications LR-500 SpecificationsLR-500 Quick Reference Battery CompartmentRemove the product LR-500 Setup InstructionsSelect Channels Make Sure the Unit is On LR-500 Operation InstructionsTo Lock into Only One Channel Locking Out Unwanted Channels LR-500 Programming InstructionsSquelch Programming Instructions LR-500 SquelchLR-500 Charging Batteries LR-500 Wall Transformer Operation Page Page Page Page LR-400 Table of Contents LR-400 Package Contents Specification LR-400-072 LR-400-216 LR-400 SpecificationsLR-400 Quick Reference LR-400 Setup Instructions See page 29 for squelch and programming information LR-400 Operation Instructions To Lock into Only One Channel LR-400 Squelch LR-400 Charging Batteries LR-400 Wall Transformer Operation Page Page Page LR-300 Table of Contents LR-300 Package Contents Specification LR-300-072 LR-300 SpecificationsLR-300 Quick Reference LR-300 Setup Instructions Red LED will illuminate when on Earphone/Headset jack LR-300 Operation Instructions LR-300 Charging Batteries LR-300 Wall Transformer Operation Channel Selection SQ Summary Listen SQRF Reception Maximization Strategies Comtek Williams Gentner Telex Drake MHz Compatibility ChartCSI AVR Troubleshooting Troubleshooting LR-300, LR-400, LR-500 ReceiversUsers keep changing channels TroubleshootingCompliance Notice Compliance Notice and FCC StatementWarranty Warranty & Contacting ListenEarphone Options Optional AccessoriesPage
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LR-500, LR-300, LR-400 specifications

Listen Technologies has established itself as a leader in providing innovative audio solutions that enhance communication in various environments. Among their standout products are the LR-400, LR-300, and LR-500, which are designed for assistive listening, language interpretation, and audio distribution. Each of these portable receivers offers unique features, ensuring that users have a seamless experience during presentations, events, and meetings.

The LR-400 is a versatile listening receiver that operates on a wide frequency range. It is specifically engineered for maximum clarity and disturbance-free reception. One of its primary features is the ability to connect directly to a variety of audio sources, making it compatible with numerous sound systems. This device boasts a prominent LCD display, which provides real-time information about channel selection and battery life, enhancing user accessibility. Additionally, the LR-400 supports both mono and stereo audio configurations, catering to different listening preferences and needs.

The LR-300, on the other hand, is specifically built for personal listening purposes, often utilized in classrooms, theaters, and guided tours. It is lightweight and compact, designed for ease of use and portability. One of the LR-300’s standout features is its long battery life, allowing for extended use without the need for frequent recharging. Users can easily adjust the volume for optimal sound levels, ensuring they can fully engage with the presented audio without compromising comfort. The LR-300 can also be equipped with various headphones and earphones, providing flexibility to suit individual preferences.

Finally, the LR-500 expands on the capabilities of its predecessors with advanced technology aimed at improving audiology experiences. It offers a digital communication protocol that significantly enhances audio quality while minimizing interference. The LR-500 is particularly suitable for professional settings, such as conferences and multinational events, where language interpretation is required. With multiple channel options, it allows participants to select their preferred language effortlessly. Its robust design ensures durability, making it suitable for frequent travel and usage in diverse environments.

In conclusion, the LR-400, LR-300, and LR-500 receivers from Listen Technologies exemplify the company's commitment to delivering high-quality audio solutions. Each device is equipped with advanced features and technologies that address specific user needs, whether for personal listening, language interpretation, or professional audio distribution. With their reliability and performance, these receivers enhance communication and accessibility in various settings, ensuring that every voice is heard loud and clear.
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