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

REAR PANEL CONTROLS

 

 

 

 

 

 

 

 

 

1

 

4

5 250

 

 

 

 

 

 

 

SENSOR INPUT

 

 

AUDIO INPUT

400

700

1K

1K4

2K5

4K

6K3

 

 

TV/VCR

CD/DVD

 

 

DC

 

 

 

 

 

 

+10

 

 

 

 

6

2.06/2.54

 

 

 

 

 

 

 

 

 

 

 

 

SPEAKER OUTPUTS POWER

CHARGERS

L

L

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SENSOR

24V

 

 

 

 

 

 

 

 

 

 

 

DC

 

 

 

 

 

 

-10

 

 

 

 

SHORT

 

R

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

2

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.SPEAKER OUTPUTS (1–4): These binding post connectors are used to connect the 820iR to the loudspeakers. Depending on speaker, all outputs may not be used.

2.DC POWER: Plug the 24 V power supply into this jack.

3.CHARGERS: These jacks charge the LightMic(s) and optional handheld microphone with the supplied charg- ing cable(s).

4. AUDIO INPUTS:

TV/VCR: Accepts stereo signal from TV/VCR via RCA cable.

CD/DVD: Accepts stereo signal from CD/DVD player via RCA cable.

5.8-BAND GRAPHIC EQUALIZER: The sliding controls adjust the levels of the various audio frequencies. This allows the installer to properly equalize the system to produce optimum sound quality.

6.SENSOR INPUT: The IR sensor cable connects to the sensor input. Connect additional sensors to the 820iR to cover large or odd- shaped classrooms.

7.SENSOR SHORT: This LED glows when there is a short in one of the sensor cables.

820iR User Manual 6

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LightSpeed Technologies 820iR user manual Rear Panel Controls

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.