LightSpeed Technologies 820iR Quick Manual

USING YOUR MICROPHONE

REMOVE FROM CHARGER
Lightspeed microphones require 8 hours to fully charge.
LES 820iR Classroom Amplification System
A VOLUME B VOLUME
IR AF
IR AF
POWER
WIRELESS MICROPHONE VOLUME
CHANNEL SELECT
Two microphones cannot operate on the same channel.
LT-71
POSITION MICROPHONE
The position of
the microphone
is critical for
proper volume
adjustment.
TURN ON MICROPHONE
SET VOLUME
If necessary adjust volume so you can barely hear your own voice.
Volume set too high will result in system feedback (squealing).
REMEMBER:
LES 820iR Classroom Amplification System
LES 820iR Classroom Amplification System
A VOLUME B VOLUME
IR AF IR AF
POWER
WIRELESS MICROPHONE VOLUME
POWER
TURN OFF AND
RETURN TO CHARGER
LIGHTSPEED TECHNOLOGIES, INC. | www.LIGHTSPEED-TEk.COM | 800.732.8999
TV/VCR CD/DVD ASSISTIVE LISTENING
LT-71
AUDIO INPUT VOLUME ALD VOLUME
Grip the
barrel of the
handheld in
the center
section.
LT-71
LES 820iR Classroom Amplification System
A VOLUME B VOLUME
TV/VCR CD/DVD ASSISTIVE LISTENING
IR AF
IR AF
AUDIO INPUT VOLUME ALD VOLUME
POWER
WIRELESS MICROPHONE VOLUME
LT-71

CONNECTING MULTIMEDIA

Interface seamlessly with computers, MP3, DVD, TV and other
audio devices.
2.06/2.54
DC
SPEAKER OUTPUTS
CHARGERS
POWER
RCA
24V
plug
DC
2.06/2.54
DC
SPEAKER OUTPUTS CHARGERS
POWER
24V
DC

ASSISTIVE LISTENING AND RECORDING

Send audio directly to an ALD or to a digital recorder
for lesson capture and re-broadcast on school
websites.
1
TV/VCR A VOLUME CD/DVD ASSISTIVE LISTENING B VOLUME
IR AF IR AF
WIRELESS MICROPHONE VOLUME
AUDIO INPUT VOLUME ALD VOLUME
LES 820iR Classroom Amplification System
A VOLUME
IR AF
POWER
WIRELESS MICROPHONE VOLUME
Classroom Audio System
RCA plug
AUDIO INPUT
250 400
700
TV/VCR
CD/DVD
L L
RCA
plug
R R
AUDIO INPUT
6K3
SENSOR INPUT
250 400 700 1K 1K4 2K5 4K
TV/VCR CD/DVD
+10
L L
0
SENSOR
SHORT
-10
R R
3
TV/VCR CD/DVD ASSISTIVE LISTENING
2
ALD VOLUME
AUDIO INPUT VOLUME
3.5mm
plug
B VOLUME
TV/VCR CD/DVD ASSISTIVE LISTENING
IR AF
AUDIO INPUT VOLUME ALD VOLUME
820iR
Use your
microphone
to remotely
connect audio to
your system
6K3
SENSOR INPU
1K 1K4 2K5 4K
+10
0
SENSOR
SHORT
-10
3.5mm
plug
3.5mm
LT-71
plug
ALD Transmitter
250 400 700 1K 1K4 2K5
VOL. VOL.
Always +10
ADJ. ALD OUT AUX OUT ADJ.
SPEAKER OUTPUTS 0
-10
connect
OFF ON OFF ON OFF ON OFF ON
to the
MIC or
AUX
input
jack
Recording
Device