Allen&Heath GL4800 USER GUIDE - Manual (Page 12)

12 GL4800 User Guide
TB TO GRPS
TB TO MTX
TALK
TB ENABLED
GAIN
TB LEV
DIM
LE
FT
RI
GH
T
MO
N
O
PF
L
AF
L
AU
X 1
-1
0
GRP 1
-8
MT
X A
-D
LE
FT
RI
GH
T
MO
N
O
PF
L
AF
L
AU
X 1
-1
0
GRP 1
-8
MT
X A
-D
1-2
7-8
5-6
3-4
L-R
SYSTEM BLOCK DIAGRAM
GL4800
L-R
1-2
3-4
EQ IN
PAN
MF1
HF
MF2
LF
4-BAND FULL SWEEP
EQUALISER
POST-EQ
PRE-EQ
SAFE/PREVIEW
POST-MUTE
PRE-MUTE
5-6
7-8
MONO
-
-
LINE IN
MIC/LINE IN
MIC/
LINE
+48V
-20dBu
2= +
BAL
SEND
RETURN
TIP = +
RING = -
0dBu
INSERT
GAIN
LO-CUT
FILTER
SIG
0dB
PEAK
+6
FADER
MUTE
AUX 1
AUX 2
AUX 3
AUX 4
AUX 5
AUX 6
AUX 7
AUX 8
POST
PRE
POST
PRE
POST
PRE
AUX 10
AUX 9
PRE FADER
POST FADER -
PRE-FADE
POST-FADE
SWITCHED
INTERNAL AUX LINK OPTIONS
TIP = +
RING = -
IMPEDANCE BALANCED
0dBu
DIRECT OUT
-
+
BAL
AUX 10/
DIR OUT LEVEL
PFL
INPUT CHANNEL
EQ IN
PAN
MF1
HF
MF2
LF
POST-EQ
PRE-EQ
SAFE/PREVIEW
POST-MUTE
PRE-MUTE
MONO
-
-
+48V
2= +
SEND
RETURN
TIP = +
RING = -
0dBu
INSERT
GAIN
LO-CUT
FILTER
SIG
0dB
PEAK
+6
FADER
MUTE
AUX 1
AUX 2
AUX 3
AUX 4
POST
PRE
PRE-FADE
POST-FADE
SWITCHED
INTERNAL AUX LINK OPTIONS
-20dBu
PAD
MIC IN
EQUALISER
4-BAND
AUX 5
AUX 6
AUX 7
AUX 8
POST
PRE
POST
PRE
AUX 10
AUX 9
TIP = +
RING = -
BAL
R
STEREO
LINE IN
L/MONO
R
+
-
+
-
WIDTH
L
R
SUM
SUM
STEREO LINE IN
MIC IN
STEREO CHANNEL
L
R
STEREO PFL
STEREO
MIC
STEREO PFL
DIR TO L-R
2= +
BAL
TB MIC IN
+48V
LINK
TALKBACK
ENABLE TB TO MONO
TB TO L-R
Mode Switching
Protected underpanel mode switches set the console architecture according to the required application,
for example FOH or stage monitor. Select these using a pointed object.
DIR OUT routes the channel direct out
signal through the aux 10 pre/post
selector and level control.
OUT REV swaps the matrix or LR2 output
jack with the related aux XLR and insert.
The control sections are not swapped.
This can provide matrix outputs on XLR
with inserts, or aux effects sends on jack
as required.
Output Trim ENABLE routes the group
output signal through a pre/post fader
selector and level trim. This lets you
record the groups independent of the
subgrouping to LR and M.
MTX TO AUX Links the matrix mix into the
aux mix to include aux sends from the
groups, LR and M. Used for effects from
the groups, and for quick monitor mixes.
GRP REV reverses the aux (small fader)
and group (main fader) control sections.
Also applies to LR. The outputs remain
unaffected. This mode is used for stage
monitoring.
MONO MODE converts the mono output
to the monitor engineers listen wedge. M
AFL is disabled. The M mix still feeds the
insert and matrix.
OUT REV
-15
-30
-20
-10
-5
0dB
OUTPUT
TRIM
ENABLE
GRP
8
MTX
TO AUX1
1
GRP REV
M MIX
AFL/PFL
WEDGE MODE