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850iR User Manual | 6
17 | 850iR User Manual
8 5 0 i R U s e r M a n u a l 8 5 0 i R U s e r M a n u a l
LES 850iR Classroom Amplification System
6
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:
• COMPUTER: Controls the volume
of audio coming from a computer
connected to the rear panel
COMPUTER INPUT jack.
• TV/VCR: Controls the volume of
the source connected to the rear
panel TV/VCR INPUT.
• CD/DVD: Controls the volume
of the source player connected
to the rear panel CD/DVD INPUT.
CHARGING THE HM-70 HANDHELD MIC
1. Ensure the HM-70 Handheld
Microphone is turned OFF (ON/OFF
switch on the side of the unit).
The 850iR can be left on, but must
be connected to AC power in order
to charge the microphone.
2. Connect the loose end of the
charging cable into the jack labeled
CHARGER on the side of the HM-70.
Connect the larger end of the
charging cable to one of the
CHARGERS jacks on the back of the
850iR. The HM-70’s rechargeable
batteries are factory installed.
3. The power indicator light next to
the power switch glows green when
the cable is connected and charg-
ing correctly. The light goes out
when fully charged. Batteries
will charge in 8 to 12 hours. A fully
charged battery will run for up to 8
hours of continuous operation.
4. The HM-70 can remain charging
for up to 10 days. Overcharging
will shorten battery life.
The HM-70 does not use a cradle for charging.
The charging cable must be plugged directly
into the charging jack in the transmitter.
Helpful
Hint
SPEAKER OUTPUTS
250
400
70
0
1K 1K4
2K5
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
INPU
T
PAGING INPU
T
ADJ
DC POWER CHARGERS
24VDC
L LR R
SENSOR INPUT
S
SENSOR
SHOR
T
1 2
3
4