Table of Contents

LES 780iR Infrared Classroom Amplification System:

Overview

1

LES 780iR System Components

2

System Installation:

3

1. Unpacking

2. Location

3

3. Speaker(s)

3

4. Receiver/Amplifier

3

5. IR Sensor Placement

4

a. Suspended Ceiling Mount

4

b. Wall or Solid Ceiling Mount

4

6. LightMic Microphone/Transmitter

5

7. Testing

5

Front Panel Controls

6

Rear Panel Controls

7

System Operation:

8

Powering the LES 780iR

LT-70 LightMic Microphone/Transmitter:

9

Controls and Connections

Charging the LightMic

10

Operating the LightMic

11

Adjusting Volume

11

Operating two microphone/transmitters simultaneously

11

Optional HM-70 Handheld Microphone/Transmitter:

12

HM-70 Overview

HM-70 Controls

12

HM-70 Operating Instructions:

13

Charging

Operation

13

Holding and Positioning

13

Input from External Audio Equipment

14

Output to Personal FM Transmitter

14

Speaker Control

14

Turning Speakers On and Off

14

Controlling the Volume of the Individual Speakers

14

Tips on Using Classroom Amplification

15

Five-Year Limited Warranty to Original Purchaser

15

Overall System Specifications

16

Troubleshooting Guide

17

Individual Components and Optional Accessories

18

User Notes

19

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LightSpeed Technologies 780iR user manual Front Panel Controls Rear Panel Controls System Operation

780iR specifications

LightSpeed Technologies has engineered the 780iR, a standout product that combines cutting-edge innovation with functionality tailored for modern audio and communication needs. Designed with precision, the 780iR is ideal for educational spaces, corporate environments, and public venues where clear and effective communication is paramount.

One of the most notable features of the 780iR is its advanced infrared transmission technology. This technology ensures that audio signals are transmitted with minimal interference, providing crystal-clear sound quality. The infrared system is particularly beneficial in environments prone to electronic interference, as it operates in a spectrum that avoids typical RF congestion. This makes the 780iR an excellent choice for schools and organizations striving for reliable audio performance.

The 780iR also boasts exceptional adaptability with multiple channel options, allowing users to select the best frequency for their specific setting. This is especially useful in larger venues where multiple audio systems might operate simultaneously. Users can effortlessly switch channels to maintain optimal performance, avoiding potential overlaps and disruptions.

Another strong suit of the 780iR is its user-friendly interface. With straightforward controls, educators and presenters can easily adjust volume levels, select channels, and manage audio settings without needing extensive technical knowledge. This accessibility ensures a seamless experience, allowing users to focus on delivering their message rather than grappling with complicated technology.

In terms of design, the 780iR is both sleek and durable. Constructed with resilient materials, it is built to withstand the rigors of frequent use in various environments. Its compact design allows for easy placement in different locations, be it mounted on walls or positioned on desks.

Additionally, the 780iR is compatible with various audio sources, including microphones and other audio devices, enhancing its versatility. This compatibility enables seamless integration into existing audio-visual setups, making it a valuable addition to any technology ecosystem.

In summary, LightSpeed Technologies’ 780iR represents a fine blend of advanced technology and practical application, making it an excellent investment for those seeking superior audio performance in diverse settings. With its infrared transmission, user-friendly controls, adaptable channels, robust construction, and compatibility with multiple devices, the 780iR stands out as a leader in modern communication technology. Whether in classrooms, conference rooms, or public spaces, the 780iR delivers unparalleled clarity and reliability, ensuring that every voice is heard.