LightSpeed Technologies 820iR User Manual

820ir, Using your microphone, Classroom audio system

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SPEAKER OUTPUTS

250

400

700

1K

1K4

2K5

4K

6K3

+10

0

-10

AUDIO INPUT

CHARGERS

DC

POWER

TV/VCR CD/DVD

L

L

R

R

24V

DC

SENSOR INPUT

SENSOR

SHORT

2.06/2.54

POWER

A VOLUME

B VOLUME

TV/VCR

CD/DVD

ASSISTIVE LISTENING

IR

IR

AF

AF

WIRELESS MICROPHONE VOLUME

AUDIO INPUT VOLUME

ALD VOLUME

LES 820iR Classroom Amplification System

POWER

A VOLUME

B VOLUME

TV/VCR

CD/DVD

ASSISTIVE LISTENING

IR

IR

AF

AF

WIRELESS MICROPHONE VOLUME

AUDIO INPUT VOLUME

ALD VOLUME

LES 820iR Classroom Amplification System

POWER

A VOLUME

B VOLUME

TV/VCR

CD/DVD

ASSISTIVE LISTENING

IR

IR

AF

AF

WIRELESS MICROPHONE VOLUME

AUDIO INPUT VOLUME

ALD VOLUME

LES 820iR Classroom Amplification System

POWER

A VOLUME

B VOLUME

TV/VCR

CD/DVD

ASSISTIVE LISTENING

IR

IR

AF

AF

WIRELESS MICROPHONE VOLUME

AUDIO INPUT VOLUME

ALD VOLUME

LES 820iR Classroom Amplification System

POWER

A VOLUME

B VOLUME

TV/VCR

CD/DVD

ASSISTIVE LISTENING

IR

IR

AF

AF

WIRELESS MICROPHONE VOLUME

AUDIO INPUT VOLUME

ALD VOLUME

LES 820iR Classroom Amplification System

Classroom Audio System

USING YOUR MICROPHONE

Lightspeed microphones require 8 hours to fully charge.

CONNECTING MULTIMEDIA

ASSISTIVE LISTENING AND RECORDING

LIGHTSPEED TECHNOLOGIES, INC. | www.LIGHTSPEED-TEk.COM | 800.732.8999

Interface seamlessly with computers, MP3, DVD, TV and other

audio devices.

Use your

microphone

to remotely

connect audio to

your system

Send audio directly to an ALD or to a digital recorder

for lesson capture and re-broadcast on school

websites.

Always

connect

to the

MIC or

AUX

input

jack

LT-71

Grip the
barrel of the
handheld in
the center
section.

LT-71

A

CH B

OFF

ON

LT-71

RCA plug

3

SPEAKER OUTPUTS

250 400 700 1K 1K4 2K5 4K 6K

+10

0

-10

OFF

OFF

OFF

OFF

ON

ON

ON

ON

VOL.

ADJ.

ALD OUT AUX OUT

VOL.

ADJ.

REMOVE FROM CHARGER

Two microphones cannot operate on the same channel.

CHANNEL SELECT

The position of
the microphone
is critical for
proper volume
adjustment.

POSITION MICROPHONE

TURN ON MICROPHONE

If necessary adjust volume so you can barely hear your own voice.
REMEMBER:

Volume set too high will result in system feedback (squealing).

SET VOLUME

TURN OFF AND

RETURN TO CHARGER

LT-71

3.5mm

plug

ALD Transmitter

3.5mm

plug

RCA

plug

RCA

plug

3.5mm

plug

Recording

Device

LT-71

820iR

SPEAKER OUTPUTS

250

400

700

1K

1K4

2K5

4K

6K3

+10

0

-10

AUDIO INPUT

CHARGERS

DC

POWER

TV/VCR CD/DVD

L

L

R

R

24V

DC

SENSOR INPUT

SENSOR

SHORT

2.06/2.54

1

2

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