JVC ProVerite PS-420W Owner's Manual page 40

RS-232C
Prefix code Prefix code
command
#0
Set Key 0xCC
Lock
Ack Set 0xCC
Key Lock
Read Key 0xCC
Lock
Ack Read 0xCC
Key Lock
Set Screen 0xCC
Safe
Ack Set 0xCC
Screen
Safe
Read 0xCC
Screen
Safe
Ack Read 0xCC
Screen
Safe
Set Power 0xCC
Indicator
Ack Set 0xCC
Power
Indicator
Read 0xCC
Power
Indicator
Ack Read 0xCC
Power
Indicator
Set DPMS 0xCC
Ack Set 0xCC
DPMS
Read 0xCC
DPMS
Ack Read 0xCC
DPMS
Set ABC 0xCC
Ack Set 0xCC
ABC
Read ABC 0xCC
Ack Read 0xCC
ABC
Set Factory 0xCC
Reset
Controlling the Multiple Product
Header (5 bytes)
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
0x33 1
0x55 1
0x33 0
0x55 0
0x33 1
0x55 1
0x33 0
Payload (4 bytes)
# of payload
Command
bytes
4 0x74 0 : Off (Front
key unlock)
1 : On (Front
key lock)
4 0x74 0xE0 : OK
0xE1 : NG
4 0x74 reserved
4 0x74 0xE0 : OK
0xE1 : NG
4 0x75
4 0x75 0xE0 : OK
0xE1 : NG
4 0x75 reserved
4 0x75 0xE0 : OK
0xE1 : NG
4 0x76
4 0x76 0xE0 : OK
0xE1 : NG
4 0x76 reserved
4 0x76 0xE0 : OK
0xE1 : NG
4 0x77
4 0x77 0xE0 : OK
0xE1 : NG
4 0x77 reserved
4 0x77 0xE0 : OK
0xE1 : NG
4 0x78
4 0x78 0xE0 : OK
0xE1 : NG
4 0x78 reserved
4 0x78 0xE0 : OK
0xE1 : NG
4 0x79 reserved
A10
data #0 data #1 data #2
reserved reserved
(0x00) (0x00)
reserved reserved
(0xFF) (0xFF)
reserved reserved
(0x00) (0x00) (0x00)
0 : Off reserved
(Front key (0xFF)
unlock)
1 : On
(Front key
lock)
0 : Off reserved reserved
1 : On (0x00) (0x00)
reserved reserved
(0xFF) (0xFF)
reserved reserved
(0x00) (0x00) (0x00)
0 : Off reserved
1 : On (0xFF)
0 : Off reserved reserved
1 : On (0x00) (0x00)
reserved reserved
(0xFF) (0xFF)
reserved reserved
(0x00) (0x00) (0x00)
0 : Off reserved
1 : On (0xFF)
0 : Off reserved reserved
1 : On (0x00) (0x00)
reserved reserved
(0xFF) (0xFF)
reserved reserved
(0x00) (0x00) (0x00)
0 : Off reserved
1 : On (0xFF)
0 : Off reserved reserved
1 : On (0x00) (0x00)
reserved reserved
(0xFF) (0xFF)
reserved reserved
(0x00) (0x00) (0x00)
0 : Off reserved
1 : On (0xFF)
reserved reserved
(0x00) (0x00) (0x00)
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
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload
Header XOR
Payload