
14
PDX3000
Quick Start Guide
15
4. DSP Processor
4.1 Processor Functionality
T
he
PD
X
DSP
processor
manipu
l
ates
your
signa
l
in
the
digita
l
domain,
off
ering
tremendous
fl
exibi
l
ity
and
contro
l
.
Y
ou
may
contro
l
and
program
the
DSP
processor
via
either
the
PD
X
amp
l
ifi
er’s
front
pane
l
or
remote
l
y
by
computer
using
the
PD
X
Contro
ll
er
software
(avai
l
ab
l
e
for
down
l
oad
from
l
abgruppen.com).
By
using
the
DSP
processor,
you
can
program
a
ll
amp
l
ifi
er
functions
and
parameters
—
except
for
the
C
H
A
and
C
H
B
input
attenuation
settings,
which
can
on
l
y
be
contro
ll
ed
using
the
C
H
A
/
C
H
B
knobs
on
the
amp
l
ifi
er’s
front
pane
l
.
4.2 Front Panel control
T
he
fo
ll
owing
materia
l
describes
the
DSP’s
screen
organization
and
how
to
program
the
processor’s
various
functions
by
manipu
l
ating
your
PD
X
amp
l
ifi
er’s
front
pane
l
contro
l
s.
Main top-level screen
T
he
top-
l
eve
l
screen
disp
l
ays
the
mode
l
name
for
your
specifi
c
unit..
4.3 SETUP screens
T
he
S
ET
UP
screens
access
the
preset,
pane
l l
ock,
device
naming,
and
LCD
screen
contrast
functions.
T
o
access
these
functions,
press
the
S
ET
UP
button,
and
then
move
up
and
down
through
the
top-
l
eve
l
screens
by
pressing
either
the
S
ET
UP
button
or
the
UP
/
DOWN
arrow
buttons.
4.3.1 SETUP 1/4: Load Preset
T
he
top-
l
eve
l
Load
Preset
screen
disp
l
ays
the
current
Preset
name
(up
to
10
characters)
and
Preset
number
(1
–
20).
Subsidiary
screens
off
er
options
for
l
oading,
saving,
and
naming
Presets.
Be
l
ow
the
Preset
name,
this
screen
disp
l
ays
the
“
Load
Preset
”
option
by
defau
l
t.
Rotate
the
S
E
L
E
C
T
encoder
c
l
ockwise
to
access
the
“
Save
Preset
”
option.
N
o
t
e
:
Preset
#
1:
I
N
IT_
DA
T
A
cannot
be
overwritten.
Se
l
ect
this
preset
any
time
you
want
to
restore
the
amp’s
defau
l
t
settings.
Loading a Preset
1.
Make
sure
the
“
Load
Preset
”
option
appears
on
the
screen.
(Rotate
the
S
E
L
E
C
T
encoder
to
togg
l
e
between
“
Load
Preset
”
and
“
Save
Preset.
”
)
2.
Press
the
S
E
L
E
C
T
encoder
knob
to
access
the
DSP’s
interna
l
Preset
l
ist
on
the
next
sub-screen.
T
he
correct
sub-screen
wi
ll
disp
l
ay
the
LOAD
PR
E
S
ET
option
in
the
upper
right-hand
corner
of
the
screen.
3.
Scro
ll
up
and
down
through
the
Preset
l
ist
by
rotating
the
S
E
L
E
C
T
encoder
knob.
As
you
scro
ll
,
the
Preset
number
wi
ll
appear
to
the
l
eft
be
l
ow
the
disk
icon.
4.
T
o
l
oad
the
se
l
ected
Preset,
you
may
either
press
the
S
E
L
E
C
T
encoder
or
press
the
UP
arrow
button.
3.3 Front panel configuration
I
nput
mixing
and
routing,
as
we
ll
as
a
ll
DSP
parameters,
may
be
confi
gured
using
the
PROC
E
SS
button,
S
ET
UP
button,
UP/DOWN
buttons,
EXIT
button
and
the
S
E
L
E
C
T
rotary
encoder.
T
he
fo
ll
owing
menu
tree
(
F
ig.
4)
is
keyed
to
points
in
the
signa
l
fl
ow.
F
ig.
4:
F
ront
Pane
l
Menu
T
ree