14
Example (read input channel 1 gain parameter):7B7D01480000007D7B
MCU Return:0x00
~0x90=-60dB~+12dB,0.5dB/Step
(
7
)
Get Now Mute(0x49)
Example (read input channel 1 mute parameter):7B7D01490000007D7B
MCU
Return
:
0x00
or
0x01
=
Un
-
Mute
or
Mute
(
6
)
Get Now Gain(0x48)
(
4
)
Input
Volume
Control
(
0x44
)
Example
(
InA
volume
+
0
.
0dB
):
7B7D01440001187D7B
(
5
)
Output
Volume
Control
(
0x45
)
Example
(
Out2
volume
-
3
.
0dB
) :
7B7D01450100FA7D7B
Packet
0
1
2
3
4
5
6
7
8
DLE
STX
Device
Assress
CMD
0x7B
0x7D
1
~
254
0x7D
0x7B
STX
DLE
0x49
In
:
0
Out
:
1
0
~
3
0
Channel
0x30
In/Out
Packet
0
1
2
3
4
5
6
7
8
DLE
STX
Device
Assress
CMD
0x7B
0x7D
1
~
254
0x7D
0x7B
STX
DLE
0x48
In
:
0
Out
:
1
0
~
3
0
Channel
0x30
In/Out
Packet
0
1
2
3
4
DLE
STX
Device
Assress
CMD
0x7B
0x7D
1
~
254
0x44
0x??
00
~
0
7
HI-VOL
Channel
5
6
7
8
0x7D
0x7B
STX
DLE
0x??
LO-VOL
Packet
0
1
2
3
4
DLE
STX
Device
Assress
CMD
0x7B
0x7D
1
~
254
0x45
0x??
0x??
00
~
0
7
HI-VOL
Channel
5
6
7
8
0x7D
0x7B
STX
DLE
LO-VOL
Digital Audio Processor