LightSpeed Technologies 820iR Five-year Limited Warranty, Tips on Classroom Amplification

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8 2 0 i R U s e r M a n u a l

TIPS ON CLASSROOM AMPLIFICATION

1Speak in a natural voice. A normal conversational speech level will provide an adequate signal. It is not necessary to increase the intensity of your voice—the amplification system provides adequate amplification (approximately 5 – 10 dB) above ambient room noises.

2Avoid wearing jewelry that may rub or bump against the microphone.

3Turn the LightMic off during private conversations with a student, parent, or other classroom visitor. You can also cover the LED lens on top of the LightMic to block the signal.

4Recharge batteries each night. When recharged nightly, operating time (actual usage) for the transmitters will last through a typical school day.

Five-year Limited Warranty

LightSPEED Classroom Amplification Systems are guaranteed against malfunction due to defects in materials and workmanship for a period of FIVE (5) YEARS, beginning at the date of the purchase invoice. If such malfunction occurs, the product will be repaired or replaced (at LightSPEED’s option) without charge during the period and under the limitations stipulated in the data sheet or the user’s manual.

1.Limited exclusions specifically apply to all microphone elements, rechargeable batteries, battery chargers and their assemblies, as well as external cables and wires.

2.Warranty on microphones/microphone elements is limited to original manufacturer’s warranty (usually ONE (1) YEAR).

3.Warranty on LightSPEED NiMH AA rechargeable batteries is ONE (1) YEAR.

3.Warranty on LightMic’s internal microphone is FIVE (5) YEARS.

4.Prepaid shipping label provided by LightSPEED factory or an authorized warranty service center.

5.Warranty does not extend to finish, appearance items, or malfunctions due to abuse or operation other than specified conditions, nor does it extend to incidental or consequential damages. Repair by other than LightSPEED or its authorized service agencies will void this guarantee. Information on authorized service agencies is available from LightSPEED Technologies, Inc.

Our Service Department (800.732.8999, 6:30 a.m. – 5 p.m.,

PST) will handle all your repair/replacement needs.

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Contents LightSPEED820iR Safety Instructions Risk of Electric Shock do not OpenDaily USE Instructions Turn on the 820iRTable of Contents 820iR Classroom Amplification System System Components LES 820iR Classroom Amplification SystemSystem Installation Unpacking Your System Location of the Receiver/AmplifierIR Sensor Installation Suspended Ceiling MountFront Panel Controls LES 820iR Classroom Amplification SystemRear Panel Controls Lightmic Controls and Connections LT-71Initial SET-UP Finalizing RECEIVER/AMPLIFIER ConnectionsSystem Operation Turning the System onHint Charging the LightmicSystem Integration Diagram DVD/VCRInput from External Audio Equipment LES1820iR Classroom Amplification SystemOutput to Personal FM Transmitter Operating the Optional HM-70 Handheld MIC Charging the HM-70 Handheld MIC Five-year Limited Warranty Tips on Classroom AmplificationTroubleshooting Guide Battery Check No Sound From SpeakerSystem Specifications Overall SpecificationsIndividual Components & Optional Accessories User Notes Components Serial NumberUser Notes

820iR specifications

LightSpeed Technologies has been at the forefront of educational audio solutions, delivering innovative products that enhance communication and learning in classrooms. One of their standout products is the LightSpeed Technologies 820iR, a cutting-edge infrared sound system designed to bolster audio clarity and engagement in educational settings.

The 820iR is engineered with an array of features that prioritize both teacher convenience and student comprehension. At its core, the system utilizes infrared technology to transmit high-quality audio directly from the teacher’s microphone to the students. This ensures that every word is heard clearly, regardless of classroom size or acoustic challenges. The use of infrared boosts sound quality while minimizing interference, making it a reliable choice for diverse learning environments.

A notable feature of the 820iR is its wireless microphone system. Teachers can enjoy hands-free operation with the lightweight, comfortable headset microphone, allowing them to move freely around the classroom without compromising audio quality. This mobility fosters a more interactive teaching style and keeps students engaged.

The 820iR system also supports multiple channels, which means that multiple instructors can use their microphones simultaneously without interference. This feature is particularly beneficial in collaborative teaching scenarios or during team-teaching arrangements, as it ensures that each teacher's voice is transmitted clearly.

In terms of installation, the 820iR is user-friendly and designed for easy setup, making it accessible for schools and institutions looking to upgrade their audio infrastructure. The system includes wall-mounted speakers that are discreet yet powerful, providing an even distribution of sound throughout the classroom.

Another crucial aspect of the LightSpeed Technologies 820iR is its compatibility with assistive listening devices. This inclusivity feature allows students with hearing impairments to benefit from the same high-quality audio experience as their peers, adhering to educational standards for accessibility.

Overall, the LightSpeed Technologies 820iR stands out for its commitment to improving classroom communication. With its robust features, wireless capabilities, and user-centric design, it represents a significant advancement in educational audio systems, ultimately fostering an enriched learning environment where every student can thrive.
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