Clear-Com Setup
Make the following switch and jumper changes when the US-2000 is
used with Clear-Com equipment:
·
SW1 (BAL/UNBAL) must be placed in the UNBAL position.
·
J17 (Clear-Com/Audiocom® Mic Level Select) must have pins 1 and
2 shorted.
·
J21 (DC call enable/disable) must have pins 2 and 3 shorted.
Speaker Setup
Make the following switch and jumper changes to allow the audio from
each channel to go to separate powered speakers:
·
J22 must have pins 1 and 2 shorted.
·
J23 must have pins 1 and 2 shorted.
·
J24 must have pins 2 and 3 shorted.
10
1
2
-1
5
V
D
C
+
-
TELEX COMMUNICATIONS, INC. MADE IN USA
1
S
P
E
A
KE
R
S
P
R
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R
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IN
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T
S
2
LINE
L
EV
E
L
0
.5 VR
M
S
P
.A.
E
X
P
O
U
T
CH
N
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H
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N 1
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SH
NO
ADJUSTMENT
LIMITER
CHN 1 RETURN
CANCELLATION
CHN 2 RETURN
CANCELLATION
Figure 3. Adjustments Accessible From the Underside
