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Chapter 7
Appendix — Technical information
224 - ENGLISH
2) Check the response from the projector.
Data section
Blank
Mode
Blank
Random number section
Termination
symbol
Command
example
“NTCONTROL”
(ASCII string)
‘ ’
0x20
‘1’
0x31
‘ ’
0x20
“zzzzzzzz”
(ASCII code hex number)
(CR)
0x0d
Data length
9 bytes
1 byte
1 byte
1 byte
8 bytes
1 byte
f
Mode: 1 = Protect mode
f
Example: Response during protect mode (random number section is undefined value)
“NTCONTROL 1 23181e1e” (CR)
3) Generate a 32-byte hash value from the following data using MD5 algorithm.
f
“xxxxxx:yyyyy:zzzzzzzz”
xxxxxx
Administrator rights user name for the web control (default user name is “dispadmin”)
yyyyy
Password of above administrator rights user (default password is “@Panasonic”)
zzzzzzzz
8-byte random number obtained in Step
2)
Command transmission method
Transmit using the following command formats.
r
Transmitted data
Header
Data section
Termination
symbol
Command
example
Hash value
“Connecting” (
x
page 223)
‘0’
0x30
‘0’
0x30
Control command
(ASCII string)
(CR)
0x0d
Data length
32 bytes
1 byte
1 byte
Undefined length
1 byte
f
Example: Transmission of power supply status acquisition command (hash value is calculated from default user
name, password, and acquired random number)
“dbdd2dabd3d4d68c5dd970ec0c29fa6400QPW” (CR)
r
Received data
Header
Data section
Termination
symbol
Command
example
‘0’
0x30
‘0’
0x30
Control command
(ASCII string)
(CR)
0x0d
Data length
1 byte
1 byte
Undefined length
1 byte
f
Example: The projector is powered on
“00001” (CR)
r
Error response
String
Details
Termination
symbol
Message
“ERR1”
Undefined control command
(CR)
0x0d
“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
Data length
4 bytes
―
1 byte