3.4 B400 Block Diagrams
GROUP
OUTPUT
EXT MUTE
CTL
MUTE
FADER
*OVER-
PRESS
OPTION
FADER
DOWN
RELAY
CONTROL
LOGIC
LEFT
RIGHT
STEREO
TAPE
RETURN
BUS AS
INPUT
LEVEL PAN
ROUTING TO MAIN
STEREO MIXES
ST LEFT
ST RIGHT
GRP
Note: the Insert Point may be
configured to be in an alternative
place which is marked thus - *
INSERT
SEND
INSERT
RETURN
INS
REMOTE
START
GROUP MIX
GROUP
OUTPUT
ROUTING
CONTROL
TALK BUS
TO MONITOR
& M/BRIDGE
REM COM
PROD T/B CTL
SLATE GRP ENBL
ON-AIR CTL
SLATE TALK/TONE
PAN
R
L
NOTE: the Group Mix carries
one of the 8 group mixes,
depending upon its position
in the console.
The pan left signal
is routed to odd-numbered
groups, and the pan right
signal is routed to even-
numbered groups.
AUX1
AUX2
AUX3
AUX4 RIGHT
AUX4 LEFT
AUX2&3, CIRCUITS
ARE IDENTICAL TO AUX1
PRE
OVERPRESS
OVERPRESS CTL
CUE CTL
CUE CLEAR
PFL/AFL CTL
CUE R
CUE L
AFL/PFL
CONTROL
CUE
(Group)
CUE
(St. Ret)
MUTE
PRE