LightSpeed Technologies 820iR, User Manual

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8 2 0 i R U s e r M a n u a l
3 | 820iR User Manual
FRONT PANEL CONTROLS
1. POWER Switch/POWER Indicator:
This switch is used to turn the
820iR ON (switch up), or OFF
(switch down). When the POWER
switch is in the ON position, the
red POWER light will glow.
2. IR Indicators (IR):
These lights will
glow red when the corresponding
microphone is turned on. This light
confirms the 820iR is receiving the
infrared signal.
3. AF Indicators (AF):
These lights
flash green when audio (voice)
from the microphone is detected.
4. A VOLUME:
Controls the volume
level of the teacher microphone
that is switched to Channel A.
Rotating the knob clockwise
increases output level.
5. B VOLUME:
Controls the volume
level of the optional second
microphone that is switched to
Channel B. Rotating the knob
clockwise increases output level.
6. AUDIO INPUT VOLUME:
• TV/VCR:
Controls the volume of
a TV/VCR connected to the
TV/VCR INPUT.
• CD/DVD:
Controls the volume
of a CD/DVD player connected
to the CD/DVD INPUT.
7. ASSISTIVE LISTENING VOLUME:
Controls the volume level of an
assistive listening device.
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
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