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8 5 0 i R U s e r M a n u a l
850iR User Manual | 10
13 | 850iR User Manual
8 5 0 i R U s e r M a n u a l
2. Ensure speaker wire
connections are secure
and
not frayed. Each
speaker switch located
to the right of the
speaker
jack should be
in the “ON” position.
3. Connect the charging cables to yellow charging
jacks labeled “CHARGERS.” The loose end will be
connected to the cradle charger input jack or
directly to microphone.
1. Ensure the power switch is in the “OFF” position
and all front panel volume controls are turned
fully counter-clockwise.
6. Connect DC end of power supply
to the black power jack labeled
“DC POWER.”
7. Connect the black AC power cable
from the power supply to
a wall outlet.
SPEAKER OUTPUTS
250
400
70
0
1K 1K4
2K
5
4K
6K
+1
0
0
-1
0
OFF
OFF
OFF
OFF
ON
ON
ON
ON
VOL.
ADJ.
ALD OUT
AUX OUT
VOL.
ADJ.
COMPUTER
AUDIO INPUTS
TV/VCR CD/DVD
800i
X
INPUT
PAGING INPU
T
ADJ
DC POWER CHARGERS
24VDC
L LR R
SENSOR INPUTS
SENSOR
SHOR
T
1 2
3
4
FINALIZING RECEIVER/AMPLIFIER CONNECTIONS
INITIAL SET-UP
SPEAKER OUTPUTS
250
400
70
0
1K 1K4
2K
5
4K
6K
+10
0
-10
OFF
OFF
OFF
OFF
ON
ON
ON
ON
VOL.
ADJ.
ALD OUT
AUX OUT
VOL.
ADJ.
COMPUTER
AUDIO INPUTS
TV/VCR CD/DVD
800i
X
INPU
T
PAGING INPU
T
ADJ
DC POWER CHARGERS
24VDC
L LR R
SENSOR INPUTS
SENSOR
SHOR
T
1 2
3
4
SPEAKER OUTPUTS
250
400
70
0
1K 1K4
2K
5
4K
6K
+1
0
0
-1
0
OFF
OFF
OFF
OFF
ON
ON
ON
ON
VOL.
ADJ.
ALD OUT
AUX OUT
VOL.
ADJ.
COMPUTER
AUDIO INPUTS
TV/VCR CD/DVD
800i
X
INPUT
PAGING INPU
T
ADJ
DC POWER CHARGERS
24VDC
L LR R
SENSOR INPUTS
SENSOR
SHOR
T
1 2
3
4
LES 850iR Classroom Amplification System
4. Connect any auxiliary audio
sources to corresponding
labeled input.
5. Ensure sensor cable is attached
securely.
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1. Ensure all cables are appropriately routed out of walking paths and work areas to
prevent safety hazards to individuals in the room.
2. The amplifier packing material should be kept for warranty shipping purposes.
Dispose of remaining system-packing material in the appropriate refuse containers.
Leave microphones charging so they are ready for use. Microphones will need to be
charged on a daily basis.
FINAL CHECK
LightSPEED amplifier controls the volume of each source
individually (one volume control for each source).
SYSTEM INTEGRATION DIAGRAM
Projector
DVD/VCR
Speaker(s)
IR Sensor
Te
acher’s
Microphone
Projector
Audio In
Audio Out
IR Transmission
Vi
deo In
LES 850iR Classroom Amplification System
LT-71
Audio Out
Audio Out
Vi
deo Out
Video Out
VGA Out
850iR
1
2
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