Panasonic PT-EZ770T

INF-19
SECTION 1 SERVICE INFORMATION
4. 2. 2. 2. Command transmission method
Transmit using the following command formats.
Transmitted date
Header Data section Termination symbol
Hash value
(4. 2. 2. 1. -3)
'0'
0x30
'0'
0x30
Control command
(ASCII string)
(CR)
0x0d
32 bytes 1 byte 1 byte Undefined length 1 byte
 Receiveddata
Header Data section Termination symbol
'0'
0x30
'0'
0x30
Control command
(ASCII string)
(CR)
0x0d
1 bytes 1 byte Undefined length 1 byte
Error response
Error message Termination symbol
“ERR1”  Undefinedcontrolcommand
“ERR2”  Outofparameterrange
“ERR3”  Busystateorno-acceptableperiod
“ERR4”  Timeoutorno-acceptableperiod
“ERR5”  Wrongdatalength
“ERRA”  Passwordmismatch
(CR)
0x0d
4 byte 1 byte
Example: Query Power "QPW"
1. Connects to the projector
IP = 192.168.0.8 port = 1024
 2.Receivesaresponse
  Response="NTCONTROL11aa6c14e"+(CR)
"1aa6c14e" = 8 bytes random characters
 3.Generatesahashvalue(messagedigest)from"admin1:panasonic:1aa6c14e"byusingtheMD5algorithm.
"admin1" = Administrator authority user-name
"panasonic" = Password corresponding to "admin1"
Hash value = "01466bc27ed8c0b7e607471580c55953"
4. Transmits the command
  Transmissiondata="01466bc27ed8c0b7e607471580c5595300QPW"+(CR)
 5.Receivesaresponse.
  Receptiondata="00000"+(CR)
6. Disconnects the connection with the projector.