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C
R
CONTROL
ROOM
MONITOR
R
R
L
HDPN JACK
CUE OUT
R
L
R
L
HDPN OUT
L
H
L
H
L
R
R
L
CR OUT
L
H
L
H
L
R
L
H
L
H
L
R
R
L
CUE SPKR
R
L
FROM CUE
MONITOR BUS
R
L
R
L
L
E
V
E
L
L
E
V
E
L
C
U
E
HDPN
INTERRUPT
FET SW
MONO
CUE
MUTE
FET SW
MONO
H
D
P
N
L
E
V
E
L
L
INTERRUPT/
MUTE
220/Sep 2000
CRD-220 Control Room Monitor - Signal Flow Diagram
CR
INTERRUPT
FET SW
J1
FROM CONSOLE
CONTROL BUSSES
CUE MUTE
ENABLE
CUE TO LT
HDPN
CUE TO RT
HDPN
CUE TO
LT CR
CUE TO
RT CR
FROM CUE LOGIC BUS
FROM CR MUTE BUS
J3
J2
J4
J5
page 4 - 6
R
L
L
H
L
H
L
H
L
H
EXT 1
EXT 2
R
L
R
L
S
O
U
R
C
E
S
E
L
E
C
T
F
E
T
S
W
UTL
AUX
AUD
PGM
FROM CONSOLE MONITOR BUSSES
FRONT PANEL SWITCHES
EXT 1
EXT 2
PGM
LOGIC
LOGIC
AUD
AUX
UTL
FROM CONSOLE
TALLY BUSSES
RELAY
LOW VOLTAGE
CONTACTS
AIR TALLY
MONO