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INF - 12
4. 2. 2. 2. Command transmission
Send with the command style below.
Transmitting data
Receiving data
Error response
“ERR1”
Command format error
“ERR2”
Out of parameter
“ERR3”
Busy or unavailable time
“ERR4”
Timeout or unavailable time
“ERR5”
Data length error
“ERRA”
Invalid password
Example. Asking command on power condition "QPW"
1. Connection to projector
IP = 192.168.0.8 port = 1024
2. Response received
Response = "NTCONTROL 1 1aa6c14e" + (CR)
1aa6c14e = 8 byte random value
3. Hash data is created from "admin1 : panasonic : 1aa6c14e" by MD5 algorism
admin1 = Administrator user name
panasonic = "admin1" password
Hash value = "01466bc27ed8c0b7e607471580c55953"
4. Data transmission
Transmitting data = "01466bc27ed8c0b7e607471580c5595300QPW" + (CR)
5. Receiving response
Receiving data = "00000" + (CR)
6. Close the communication with projector
1 byte
(ASCII character)
‘0’
1 byte
1 byte
Non defined length
(CR)
1 byte
0x30
0x30
Terminator
‘0’
(CR)
Data
Control command
0x0d
0x30
(ASCII character)
Non defined length
Hash value
32 bytes
(Refer to item3 in 4.2.2.1.)
Header
‘0’
0x30
1 byte
1 byte
Error massage
Terminator
‘0’
Control command
0x0d
Header
Data
Terminator
4 bytes
1 byte
(CR) 0x0d
(CR) 0x0d
(CR) 0x0d
(CR) 0x0d
(CR) 0x0d
(CR) 0x0d
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