B400 Block Diagrams 3.7
A/B R
EXT
EXT
A/B L
LHS
SELECT
RHS
SELECT
INT ’A’
SOURCE A/B
LHS
SELECT
RHS
SELECT
8 BALANCED
EXTERNAL ’B’
L INPUTS
EXT ’B’
8 BALANCED
EXTERNAL ’B’
R INPUTS

ST MONITOR FEEDS

FROM

ST MODULE

GROUP 1
GROUP 2
GROUP 3
GROUP 4
GROUP 5
GROUP 6
GROUP 7

GROUP MONITOR FEEDS

FROM GROUP MODULES

AUX MONITOR FEEDS

FROM

ST MODULES

GROUP 8
ST MONO O/P
ST RIGHT O/P
ST LEFT O/P
AUX 1
AUX 2
AUX 3
AUX 4 LEFT
AUX 4 RIGHT
SPARE
6 INPUTS
SELECTED
VIA THE
SCRAMBLE
CARD
SIX STEREO PAIRS
MONO L
RHS
PHASE
STUDIO MUTE
ON-AIR CTL
MNTR DIM
MON
SPKR
1 LEFT
MON
SPKR
1 RIGHT
MON
SPKR
2 LEFT
MON
SPKR
2 RIGHT
ALT
VCA
VCA
BAL
MUTE
MUTE
MUTE R MUTE L
LEVEL
EXT
MUTE L
MON METER R
MON METER L
EXT
MUTE R
EXT LEVEL
CONTROL
DIM
ADJUST
VCA
CTL
VCA
CTL
DIM
MONO
TO
METERBRIDGE
SPEAKER AMP
PROD T/B TO ENG
PROD T/B
TO ENG CTL
PROD T/B
TO ENG CTL
OVERPRESS
OVERPRESS CTL
CUE L
CUE R
CUE CTL
PFL/AFL CTL
CUE Q
SPKR L
CUE Q
SPKR R
VCA
VCA
EXT CUE
LEVEL CTL
RET T/B
CTL
RET T/B
AFL
ADJUST
VCA
CTL
CUE
MNTR
LEVEL
CUE TO
MON
RETN
T/B
LEVEL
HP
SPLIT
ENGINEER’S
PHONES
PHONES
LEVEL
CUE
METER R
CUE
METER L
CUE CLEAR
CLEAR CUE
MONO R
AFL