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QUICK START GUIDE
24 & 32 Channel 4-Bus FX Mixers with USB
2404VLZ4 • 3204VLZ4
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
PAN
L
R
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
MID
200
2k
800
100
8k
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
FREQ
1
MUTE
PAN
L
R
2
MUTE
PAN
L
R
3
MUTE
PAN
L
R
4
MUTE
PAN
L
R
5
MUTE
PAN
L
R
6
MUTE
PAN
L
R
7
MUTE
PAN
L
R
8
MUTE
PAN
L
R
9
MUTE
PAN
L
R
10
MUTE
PAN
L
R
11
MUTE
PAN
L
R
12
MUTE
PAN
L
R
13
MUTE
PAN
L
R
14
MUTE
PAN
L
R
15
MUTE
PAN
L
R
16
MUTE
PAD
-20dB
LOW CUT
100 Hz
GAIN
PAD
-20dB
LOW CUT
100 Hz
GAIN
PAD
-20dB
3
LOW CUT
100 Hz
GAIN
PAD
-20dB
4
LOW CUT
100 Hz
GAIN
PAD
-20dB
5
LOW CUT
100 Hz
GAIN
PAD
-20dB
6
LOW CUT
100 Hz
GAIN
PAD
-20dB
7
LOW CUT
100 Hz
GAIN
PAD
-20dB
8
LOW CUT
100 Hz
GAIN
PAD
-20dB
9
LOW CUT
100 Hz
GAIN
PAD
-20dB
10
LOW CUT
100 Hz
GAIN
PAD
-20dB
11
LOW CUT
100 Hz
GAIN
PAD
-20dB
12
LOW CUT
100 Hz
GAIN
PAD
-20dB
13
LOW CUT
100 Hz
GAIN
PAD
-20dB
14
LOW CUT
100 Hz
GAIN
PAD
-20dB
15
LOW CUT
100 Hz
GAIN
PAD
-20dB
16
LOW CUT
100 Hz
GAIN
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
1
2
SUBGROUPS
PUSH
TO TALK
MAIN
RIGHT
AUX 1-4
SOLO
STEREO
LEFT
RIGHT
SOLO
LEFT
RIGHT
SOLO
STEREO
LEFT
RIGHT
SOLO
LEFT
1
2
3
4
MAIN MIX
TALKBACK
OFF
MAX
COMP
OFF
MAX
COMP
OFF
MAX
COMP
OFF
MAX
COMP
LEVEL
PHONES
TO AUX 1
TO AUX 2
SOLO
MONITOR
TAP
DELAY
MUTE
TO AUX 1
TO AUX 2
TAP
DELAY
MUTE
FX MASTER
FX MASTER
TO LR
TO LR
FX
2
SIG/OL
FX
1
SIG/OL
SOLO
SOLO
1
2
3
4
SOLO
SOLO MODE
SOLO
SOLO
SOLO
SOLO
SOLO
PFL
AFL
AUX
AUX
AUX
AUX
CH 1-2
CH 3-4
AUX 5-6
PWR
RUDE SOLO
48V
USB OUT
SUBS 3-4
20
10
7
4
2
0
2
4
7
10
20
30
LEVEL
SET
SUBS 1-2
MAIN
TO LR
TAPE
USB
2-TRACK RETURN
SUCK
SOLO
12V
0.5A
OFF
MAX
COMP
OFF
MAX
COMP
OFF
MAX
COMP
OFF
MAX
COMP
LOW CUT
100 Hz
LOW CUT
100 Hz
LOW CUT
100 Hz
LOW CUT
100 Hz
FX 1
FX 2
USB
HI
12k
HI
MID
2.5k
LOW
MID
400Hz
HI
MID
2.5k
-15
+15
U
-15
+15
U
-15
+15
U
-15
+15
U
LOW
80Hz
LOW
MID
400Hz
LOW
80Hz
-15
+15
U
HI
12k
2
3
4
5
6
1
+15
U
+15
U
+20
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
+15
U
-15
+15
U
-15
+15
U
-15
+15
U
-20
+20
U
-20
+20
U
AUX MASTER
LR
STEREO RETURNS
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
FREQ
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
FREQ
MID
200
2k
800
100
8k
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
FREQ
MID
200
2k
800
100
8k
EQ
EQ
EQ
HI
12k
-15
+15
U
-15
+15
U
LOW
80Hz
-15
+15
U
FREQ
MID
200
2k
800
100
8k
PAN
L
R
17
MUTE
PAN
L
R
18
MUTE
PAN
L
R
19
MUTE
PAN
L
R
20
MUTE
BAL
L
R
21/22
MUTE
BAL
L
R
0 dB=0 dBu
LEFT RIGHT
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
1-2
3-4
LR
OL
-20
30
20
10
10
40
50
5
5
U
60
dB
O
O
SOLO
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
FX
AUX 5/6
PRE
PRE
FX1
FX2
PRE
1
2
+15
U
AUX
+15
U
3
4
5
6
+15
U
+15
U
+15
U
+15
U
23/24
MUTE
30
20
10
10
40
50
5
5
U
60
dB
O
O
30
20
10
10
40
50
5
5
U
60
dB
O
O
30
20
10
10
40
50
5
5
U
60
dB
O
O
30
20
10
10
40
50
5
5
U
60
dB
O
O
30
20
10
10
40
50
5
5
U
60
dB
O
O
30
20
10
10
40
50
5
5
U
60
dB
O
O
17
GAIN
18
GAIN
19
GAIN
20
GAIN
LINE GAIN
LINE GAIN
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
30
-20dB
+40dB
U
60
U
40
20
50%
100%
0%
25%
75%
EN ES FR DE