Audio System; Setting The Intercom System - Sony HDCU-900 Series Installation And Maintenance Manual

2-2. Audio System

2-2. Audio System

2-2-1. Setting the Intercom System

This unit can be connected to the intercom lines (producer
line and engineer line) of the two independent systems and
can be switch them.
The intercom systems conforming to this unit are 4W, RTS
and Clear-Com. The internal switches of the unit need to
be set according to the system used.
9 8 7 6
AT REFERENCE H PHASE
REF GEN
POWER /1.001 REMOTE LOCAL
IN LOCK HD BB
INCOM SELECT switch
PGM MIX control
TALK LEVEL control
2WIRE CANCEL 1 control
2WIRE CANCEL 2 control
1. Selecting the intercom system
Select a system (4W, RTS or Clear-Com) respectively for
the engineer line and the producer line according to the
system used. Then, select the number of intercom line
systems (1ch or 2ch).
2-16 (E)
5 4 3 2
S302
S502
S301
S504 S404
S41
S403
S501
SIDE TONE control
MIC LEVEL CCU TALK 2 WIRE
INCOM
NORM NORM LEVEL CANCEL
SELECT
MIN MIN
PGM SIDE 1 2
FINE ENG PROD
CH-1 CH-2
PRIVATE MIX TONE
AT-141 board (A side/panel side)
. Selecting the producer line :
Set switches S41/504 (PROD SELECT) on the AT-141
board according to the system used.
Factory setting : 4W (S504)
. Selecting the engineer line :
Set switches S403/404 (ENG SELECT) on the AT-141
board according to the system used.
Factory setting : 4W (S404)
. When the intercom line is 1 channel :
1
Set switch S502 (INPUT SELECT) on the AT-141 board
A
to 1 ch. Then, connect the intercom line to the producer
line of this unit.
B
When the switch is set in this position, connection of the
intercom line of this unit is fixed to the producer line
C
regardless of the setting of the INTERCOM PROD/ENG
switch of the HDC-900/950 and the INCOM SELECT
D
switch of this unit.
. When the intercom line is 2 channels :
E
Set switch S502 (INPUT SELECT) on the AT-141 board
to 2ch.
F
Factory setting : 2ch
G
Adjusting the RTS cancel
H
When the RTS intercom system is used, the following
adjustment also needs to be made.
J
(1) Connect a headset to the INTERCOM connector on the
front and perform the procedure described in the follow-
K
ing paragraph "2. Setting the headset microphone".
(2) Fully rotate the SIDE TONE control of the AT-141
L
board panel counter-clockwise to minimize the side tone.
(3) Set the INCOM SELECT switch of the AT-141 board
M
panel to PROD.
(4) Speak into the microphone of the headset and adjust
the 2WIRE CANCEL1 control of the AT-141 board
panel to minimize the side tone.
(5) Set the INCOM SELECT switch on the AT-141 board
panel to ENG.
(6) Speak into the microphone of the headset and adjust
the 2WIRE CANCEL2 control of the AT-141 board
panel to minimize the side tone.
(7) Return the SIDE TONE control on the AT-141 board panel
to its original position or to the desired position of user.
n
When setting S504 and S404 to RTS, be sure to connect
them to the RTS system. Otherwise, they oscillate and
have adverse effects on the peripheral circuits.
RTS (S41)
RTS (S403)
HDCU-900 IMM