Initial set-up, System integration diagram, Finalizing receiver/amplifier connections – LightSpeed Technologies 850IR User Manual
Page 14: Final check, Projector, Dvd/vcr

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
700
1K
1K4
2K5
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
800iX
INPUT
PAGING INPUT
ADJ
DC POWER CHARGERS
24VDC
L
L
R
R
SENSOR INPUTS
SENSOR
SHORT
1
2
3
4
FINALIZING RECEIVER/AMPLIFIER CONNECTIONS
INITIAL SET-UP
SPEAKER OUTPUTS
250 400
700
1K
1K4
2K5
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
800iX
INPUT
PAGING INPUT
ADJ
DC POWER CHARGERS
24VDC
L
L
R
R
SENSOR INPUTS
SENSOR
SHORT
1
2
3
4
SPEAKER OUTPUTS
250 400
700
1K
1K4
2K5
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
800iX
INPUT
PAGING INPUT
ADJ
DC POWER CHARGERS
24VDC
L
L
R
R
SENSOR INPUTS
SENSOR
SHORT
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
Teacher’s 
Microphone
Projector
Audio In
Audio Out
IR Transmission
Video In
LES 850iR Classroom Amplification System
LT-71
Audio Out
Audio Out
Video Out
Video Out
VGA Out
850iR
1
2
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