●
USB
/
RS485
Remote
Control
protocol
for
Presets
Changing
and
Gain
/
Volume
controls
The
following
is
the
HEX
Code
for
controlling
the
DPA-260A
recall
presets
and
master
volume
control
:
Preset
Changing
:
CMD
_
RECALL
_
PRESET
:
CMD
=1
BH
A
.
The
User
has
to
send
the
following
Command
,
including
the
number
of
the
preset
to
load
on
the
unit
:
TX
:
STX
ID
_
M
ID
_
N
CMD
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
ETX
F
0
H
C
3
H
XX
1
BH
NPreset
00
H
00
H
00
H
00
H
00
H
00
H
00
H
F
7
H
XX
= 0,..,31 (
ID
device
)
Npreset
=0,...,23
Presetnumber
The
DPA-260A
'
s
microcontroller
will
check
if
the
Preset
is
initialized
(
available
or
not
yet
created
...)
B
.
If
YES
,
then
the
microcontroller
will
send
back
to
the
User
(
eg
Crestron
/
AMX
Remote
Control
..)
the
same
frame
used
by
the
command
RX
:
STX
ID
_
M
ID
_
N
CMD
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
ETX
F
0
H
C
3
H
XX
1
BH
NPreset
00
H
00
H
00
H
00
H
00
H
00
H
00
H
F
7
H
So
in
this
case
,
if
the
user
gets
back
EXACTLY
what
was
sent
,
the
preset
is
existing
and
loaded
on
the
unit
.
C
.
If
the
preset
that
the
user
wanted
to
load
is
NOT
YET
INITIALIZED
(
not
yet
created
,
so
not
available
...).
the
microcontroller
will
notify
that
to
the
user
,
sending
back
the
following
frame
:
RX
:
STX
ID
_
M
ID
_
N
CMD
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
ETX
F
0
H
C
3
H
XX
1
BH
FFH
00
H
00
H
00
H
00
H
00
H
00
H
00
H
F
7
H
34
Содержание DPA-260A
Страница 1: ...19 482mm DIGITAL USB ...
Страница 2: ...1 36 DPA 260A Speaker Management DPA 260A Connection Page37 ...
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