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POWER
A VOLUME
B VOLUME
TV/VCR
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ASSISTIVE LISTENING
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IR
AF
AF
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LES 820iR Classroom Amplification System
820iR User Manual | 20
8 2 0 i R U s e r M a n u a l8 2 0 i R U s e r M a n u a l
A CH B
OFF
ON
TURN ON THE 820iR
TURN ON THE LIGHTMIC
Unplug the LightMic from the
charging cable and place it around
your neck. Adjust the neck strap so
the top of the microphone rests just
below your collarbone.
CHARGE BATTERIES
POSITION THE LIGHTMIC
Turn the microphone ON using the
ON/OFF switch on the side of
the LightMic and speak normally.
Plug the LightMic back into the
charging cable to recharge at the
end of the day.
DAILY USE INSTRUCTIONS
ii | 820iR User Manual
USER NOTES
Record your system serial numbers and
purchase information. This is helpful
when ordering additional components,
accessories, and/or warranty service.
Components
820iR
Serial Number
Microphones
Speakers
Purchase Information
Your School/Organization
District
Purchase Date
Invoice
Sensors
SPEAKER OUTPUTS
250
400
70
0
1K 1K4
2K5
4K
6K3
+1
0
0
-1
0
AUDIO INPUT
CHARGERS
DC
POWER
TV/VCR
CD/DVD
L L
R
R
24V
DC
SENSOR INPUT
SENSOR
SHORT
2.06/2.54
SPEAKER OUTPUTS
250
400
70
0
1K 1K4
2K5
4K
6K3
+1
0
0
-1
0
AUDIO INPUT
CHARGERS
DC
POWER
TV/VCR
CD/DVD
L L
R
R
24V
DC
SENSOR INPUT
SENSOR
SHORT
2.06/2.54
LT-71
LT-71
LT-71