LightSpeed Technologies 820iR user manual System Installation

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

SYSTEM INSTALLATION

 

 

 

 

Unpacking Your System

Location of the Receiver/Amplifier

 

 

• Ensure that you have received

Place the 820iR on a flat surface like a

all of the components of

bookcase, countertop or optional Light-

your system.

SPEED wall shelf (part#AC-800WB).

• 820iR Receiver/Amplifier

• Select a location that is close to a

standard wall electrical outlet.

and power supply

• Wires will be routed back to the

 

• LT-71 LightMic™ Transmitter

amplifier, so select a location that is

 

free from obstructions that may make

• SR-70F Infrared Sensor

routing wire difficult. (Example: under

 

and cable

a whiteboard or bulletin board.)

• Speaker(s) and speaker wire

 

 

 

 

 

IR Sensor Placement

 

 

 

 

 

Sensor location is very important for

 

 

optimum performance of the 820iR

 

 

Classroom Amplification System.

 

 

• BEST: On the ceiling at or near the

< GOOD

< BEST

middle of the classroom.

 

 

• GOOD: High and centered on the

 

 

long wall.

 

 

corners, on

 

 

than 7 feet,

 

 

line of sight is

 

 

 

 

 

 

 

 

Fine-tuning the Graphic Equalizer:

1.Verify that the EQ is set to match the recommended setting for the specific speakers installed in the classroom (settings included with the speaker install guide).

2.Walk around room (near speakers) and listen for squealing or feedback.

3.Lower the 2K5 and/or 4K sliders if a high-pitched squealing is present.

4.Lower the 400 or 700 sliders if a low-pitched ring is present.

5.Reduce volume if feedback is still present.

3 820iR Users Manual

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Contents LightSPEED820iR Risk of Electric Shock do not Open Safety InstructionsTurn on the 820iR Daily USE InstructionsTable of Contents 820iR Classroom Amplification System LES 820iR Classroom Amplification System System ComponentsUnpacking Your System Location of the Receiver/Amplifier System InstallationSuspended Ceiling Mount IR Sensor InstallationLES 820iR Classroom Amplification System Front Panel ControlsRear Panel Controls LT-71 Lightmic Controls and ConnectionsFinalizing RECEIVER/AMPLIFIER Connections Initial SET-UPTurning the System on System OperationCharging the Lightmic HintDVD/VCR System Integration DiagramLES1820iR Classroom Amplification System Input from External Audio EquipmentOutput to Personal FM Transmitter Operating the Optional HM-70 Handheld MIC Charging the HM-70 Handheld MIC Tips on Classroom Amplification Five-year Limited WarrantyBattery Check No Sound From Speaker Troubleshooting GuideOverall Specifications System SpecificationsIndividual Components & Optional Accessories Components Serial Number User NotesUser 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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