LightSpeed Technologies 780iR user manual Optional HM-70 Handheld Microphone/Transmitter

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Optional HM-70 Handheld Microphone/Transmitter:

Overview

The HM-70 handheld microphone/ transmitter is an optional microphone that can be ordered from LightSPEED.

It can be used alone or in tandem with the LT-70 LightMic.

HM-70 Controls

1.Power Switch: This 3-position switch allows you to turn the micro- phone on (up position), mute the microphone (middle position), and turn off the microphone (down posi- tion). The red LED above the switch lights when the switch is in the “mute” or power “on” positions.

 

3

IndicatorPower/Charge LED

2. Channel Select Switch: This switch

 

allows you to choose between Channel

 

 

 

 

 

 

 

 

 

 

 

 

 

A or Channel B. This switch is set to

 

 

 

 

 

 

 

 

 

 

 

 

Channel B at the factory.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Power/Charge LED Indicator: This

 

 

 

 

 

 

 

 

 

 

 

 

two-color LED indicator is located

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

directly above the power switch. It

 

 

 

1

Power Switch

glows red when the HM-70 is powered

 

 

on and glows green when charging.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

slide to open

4. Charger: Use this jack to connect the

 

 

 

 

 

 

 

 

 

 

 

 

charging cable from the 780iR to the

 

 

 

 

 

 

 

 

 

 

 

 

HM-70 for daily battery recharging.

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Battery

 

Charging Jack

Compartment

 

Channel Select Switch

2

 

 

 

[ caution! ]

 

 

 

Do not attempt to charge alkaline

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

batteries̶they can overheat and

 

 

 

 

 

 

 

 

 

 

 

 

expand, creating a significant hazard

 

 

 

 

 

 

 

 

 

 

 

 

and damaging the LightMic.

 

 

Gain Adjust

 

 

 

(This is not covered by the warranty.)

 

 

 

 

 

 

 

top view of battery compartment

 

[12]

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Contents E R ’ S M a N U a L Front Panel Controls Rear Panel Controls System Operation LES 780iR Infrared Classroom Amplification System Page System Installation Follow instructions and mount speakerssSuspended Ceiling Mount Consult the troubleshooting guide for further assistance Clip the LightMic to the lavalierePage Page System Operation Check thatLT-70 LightMic Microphone/Transmitter This is not covered by the warranty Ensure the LES 780iR is switched on Power/Charge LED Indicator This Channel Select Switch This switchOr Channel B. This switch is set to Two-color LED indicator is locatedRechargeable batteries are pre-installed HM-70 Operating InstructionsInput from External Audio Equipment All your repair/replacement needs Tips on Using Classroom AmplificationFive-Year Limited Warranty to Original Purchaser For properlyReceiver Specifications Amplifier SpecificationsOverall System Specifications InputsTroubleshooting Guide Keep the LES 780iR at least 6 feet away from computersPower Supply/Battery Charger for 780iR Individual Components and Optional AccessoriesRechargeable AA Battery Nickel Metal Hydride Optional Noise-canceling Headset Microphone toWall-Mounting Shelf

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.