JVC ProVerite PS-420W Owner's Manual page 38

RS-232C
MENU function (SOUND)
Protocol (data format).
a
Prefix code
command
#0
Set 0xCC
Balance
Ack Set 0xCC
Balance
Read 0xCC
Balance
Ack Read 0xCC
Balance
Set AVC 0xCC
Ack Set 0xCC
AVC
Read AVC 0xCC
Ack Read 0xCC
AVC
Set Volume 0xCC
Ack Set 0xCC
Volume
Read 0xCC
Volume
Ack Read 0xCC
Volume
Set Sound 0xCC
Reset
Ack Set 0xCC
Sound
Reset
Controlling the Multiple Product
Header (5 bytes)
Prefix code Set Payload
#1 ID Type
0x33 0
0x55 0
0x33 1
0x55 1
0x33 0
0x55 0
0x33 1
0x55 1
0x33 0
0x55 0
0x33 1
0x55 1
0x33 0
0x55 0
Payload (4 bytes)
# of payload
Command
bytes
4 0x56
100 : R50
4 0x56 0xE0 : OK
0xE1 : NG
4 0x56 reserved
4 0x56 0xE0 : OK
0xE1 : NG
4 0x57
4 0x57 0xE0 : OK
0xE1 : NG
4 0x57 reserved
4 0x57 0xE0 : OK
0xE1 : NG
4 0x58
4 0x58 0xE0 : OK
0xE1 : NG
4 0x58 reserved
4 0x58 0xE0 : OK
0xE1 : NG
4 0x59 reserved
4 0x59 0xE0 : OK
0xE1 : NG
A8
data #0 data #1 data #2
0 : L50 reserved reserved
~ (0x00) (0x00)
49 : L1
50 : 0
51 : R1
~
reserved reserved
(0xFF) (0xFF)
reserved reserved
(0x00) (0x00) (0x00)
0 : L50 reserved
~ (0xFF)
49 : L1
50 : 0
51 : R1
~
100 : R50
0 : Off reserved reserved
1 : On (0x00) (0x00)
reserved reserved
(0xFF) (0xFF)
reserved reserved
(0x00) (0x00) (0x00)
0 : Off reserved
1 : On (0xFF)
0~100 reserved reserved
(0x00) (0x00)
reserved reserved
(0xFF) (0xFF)
reserved reserved
(0x00) (0x00) (0x00)
0~100 reserved
(0xFF)
reserved reserved
(0x00) (0x00) (0x00)
reserved reserved
(0xFF) (0xFF)
Checksum
(1byte)
CS #0
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload