Panasonic PT-TX440, Руководство по эксплуатации

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Control commands via LAN
You can also control via the <LAN> terminal by using the control command format via the <SERIAL IN> terminal.
For examples of the available commands, refer to “Control commands” (
x
page
130
).
Attention
f
Set the password of administrator account before using the LAN control (
x
pages 38, 83).
When connecting in protected mode
Connection method
This is the connection method when the [NETWORK] menu → [NETWORK SECURITY] → [COMMAND
PROTECT] is set to [ENABLE].
1) Obtain the IP address and port number (Initial set value = 1 024) of the projector and make a request
for connection to the projector.
f
Acquire the IP address from the menu screen of the projector, and the port number from the web control
page.
IP address Obtain from the [NETWORK] menu → [NETWORK STATUS]
Port No. Obtain from [Detailed set up] → [Port set up] page of the web control
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 hexadecimal
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 : User name of the administrator account
yyyyy : Password of the administrator account
zzzzzzzz : 8-byte random number obtained in Step 2)
Command data format
It is the data format used for sending and receiving commands.
r
Transmitted data
Header Data section Termination symbol
Command
example
Hash value
(See above
"Connection method")
‘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 the
administrator account user name and password, and the 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)
Chapter 7 Appendix - Technical Information