LightSpeed Technologies 820iR user manual Safety Instructions, Risk of Electric Shock do not Open

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

SAFETY INSTRUCTIONS

CAUTION

RISK OF ELECTRIC SHOCK DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK

DO NOT REMOVE COVER (OR BACK)

NO USER-SERVICEABLE PARTS INSIDE

REFER SERVICING TO QUALIFIED PERSONNEL

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “danger- ous voltage” within the product’s enclosure, that may be sufficient magnitude to constitute a risk of electric shock.

The exclamation point within an equilateral triangle is intended to alert the user to the pres- ence of important operating and maintenance (servicing) instructions in the literature accom- panying the appliance.

1.Read Instructions—All the safety and operation instructions should be read before this LightSPEED product is operated.

2.Retain Instructions—The safety and operating instructions should be kept for future reference.

3.Heed Warning—All warnings on this LightSPEED product and in these instructions should be followed.

4.Follow Instructions—All operating and other instructions should be followed.

5.Water and Moisture—This Light- SPEED product should not be used near water.

6.Heat—This LightSPEED product should be situated away from heat sources such as radiators, etc.

7.Power Sources—This LightSPEED product should be connected to a power supply only of the type described in these operation instructions or as marked on this LightSPEED product.

8.Power Cord Protection—Power supply cords should be routed so that

they are not likely to be walked upon or pinched by items placed upon or against them.

9.Object and Liquid Entry—Care should be taken so that objects do not fall onto and liquids are not spilled into the inside of this LightSPEED product.

10.Damage Requiring Service—This LightSPEED product should be serviced only by qualified service personnel. The user should not attempt to service this LightSPEED product.

11.Prevent Electric Shock—do not use this polarized plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure.

820iR User Manual i

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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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