7 | 820iR User Manual 820iR User Manual |12
820iR User Manual 820iR User Manual
1. ON/OFF/MUTE Switch: This switch,
located on the side of the LightMic,
turns the unit on or off/mute.
2. Channel Select Switch (CH A/B):
This switch allows for selection
between Channel A or B. If you are
using a single microphone/transmit-
ter for your system, we recommend
using Channel A.
3. Power/Charge LED Indicator: The
light glows blue when the LightMic
is powered ON, red when plugged
into the charging cable.
4. External Microphone Input (MIC):
Use the 3.5 mm MIC jack for the
optional TK-250 headset microphone
(part# MC-TK250LTM).
5. Auxiliary (AUX): Plug a laptop, MP3
player or other audio source into
this jack to wirelessly transmit the
audio signal to be played through
the 820iR.
6. Charger Input (CHARGER): Plug
the charging cable from the 820iR
into this jack for daily charging.
The LED on the front will glow red
to indicate charging.
LIGHTMIC CONTROLS AND CONNECTIONS
LT-71
LT-71
1
2
3
4
5
6
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
1
Below are instructions on how to connect an external audio device
like a TV/VCR, CD/DVD or computer.
INPUT FROM EXTERNAL AUDIO EQUIPMENT
3
2. Connect a patch cable (not included)
from the audio source in the corre-
sponding audio input jacks on the
back of the 820iR.
3. With both the 820iR and audio source power on, adjust the
corresponding volume control on the front panel until the
desired level is achieved. NOTE! Be careful to not overdrive the
volume to the loudspeaker(s), as this can cause potential damage.
1. Turn the audio input volume controls on the front panel all the
way down (fully counterclockwise).
SPEAKER OUTPUTS
250 400 7001K 1K4 2K54K 6K3
+10
0
-10
AUDIO INPUT
CHARGERS
DC
POWER
TV/VCR CD/DVD
L L
RR
24V
DC
SENSOR INPUT
SENSOR
SHORT
2.06/2.54
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