LightSpeed Technologies 820iR Initial SET-UP, Finalizing RECEIVER/AMPLIFIER Connections

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

INITIAL SET-UP

FINALIZING RECEIVER/AMPLIFIER CONNECTIONS

1.Ensure the power switch is in the “OFF” position and all front panel volume controls are turned fully counter-clockwise. >>

2.Ensure speaker wire connections are secure and not frayed.

LES 820iR Classroom Amplification System

A VOLUME

B VOLUME

TV/VCR

CD/DVD

ASSISTIVE LISTENING

AF

AF

 

 

 

POWER

 

 

 

ALD VOLUME

WIRELESS MICROPHONE VOLUME

AUDIO INPUT VOLUME

3.Connect the charging cables to yellow charging jacks labeled “CHARGERS.” The loose end will be connected to the charger

input on the microphone.

>>

 

1

>>

2

2.06/2.54

SPEAKER OUTPUTS

DC

CHARGERS

POWER

 

24V

 

 

DC

 

AUDIO INPUT

TV/VCR CD/DVD

L

L

R

R

250

400

700

1K

1K4

2K5

4K

6K3

SENSOR INPUT

 

 

 

 

+10

 

 

 

 

 

0

 

SENSOR

-10

SHORT

4.Connect any auxiliary audio

sources to corresponding labeled input. >>

5.Ensure sensor cable is attached securely.

2.06/2.54

DC

POWER CHARGERS

24V DC

AUDIO INPUT

TV/VCR

CD/DVD

L

L

R

R

250

400

700

1K

 

 

 

+10

0

-10

1K4

2K5

4K

6K

 

6. Connect DC end of power supply

 

AUDIO INPUT

 

250

400

700

1K

1K4

2K5

4K

6K3

SENSOR IN

 

 

 

 

to the black power jack labeled

 

TV/VCR

CD/DVD

 

 

 

+10

 

 

 

 

 

06/2.54

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC

CHARGERS

L

L

 

 

 

0

 

 

 

 

 

“DC POWER.”

OWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SENSOR

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-10

 

 

 

 

SHORT

 

 

 

R

R

 

 

 

 

 

 

 

 

 

7. Connect the black AC power cable

 

 

 

 

 

 

 

 

 

 

 

 

 

from the power supply to a wall outlet. >>

 

 

 

 

 

 

 

 

 

 

 

 

FINAL CHECK

1.Ensure all cables are appropriately routed out of walking paths and work areas to prevent safety hazards to individuals in the room.

2.The amplifier packing material should be kept for warranty shipping purposes. Dispose of remaining system-packing material in the appropriate refuse containers.

Leave microphones charging so they are ready for use. Microphones will need to be

charged on a daily basis.

820iR User Manual 8

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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.