Panasonic PT-VW540 Operating Instructions Manual page 121

r Error response
Message
Data length
Note
f The projector automatically disconnects from the network immediately after sending the command. Such specifications are made from the
viewpoint of security, such as prevention of illegal operation of the projector by a malicious third party. To send commands continuously,
make a request for network connection every time. For details, see "Communication flow between the server and the client (x page 122).
When WEB Control administrator rights password is not set (Non-protect mode)
Note
f Use the non-protect mode only in a dedicated system which can be used by the network administrator only. If you operate in an intranet that
may be used by a third party, use the protect mode.
Connecting method
1) Obtain the IP address and port number (Initial set value = 1024) 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
Port No.
2) Check the response from the projector.
Command "NTCONTROL"
example
Data length
f Mode: 0 = Non-protect mode
f Example: Response during non-protect mode
"NTCONTROL 0" (CR)
Command data format
It is the data format used for sending and receiving commands.
r Transmitted data
Command
example
Data length
f Example: Transmission of power supply status acquisition command
"00QPW" (CR)
r Received data
Command
example
Data length
f Example: The projector is in standby status
"00000" (CR)
Chapter 7 Appendix - Technical information
String
"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
4 bytes
Obtain from the [NETWORK] menu → [NETWORK STATUS]
Obtain from the WEB control → [Detailed set up] → [Command port set up] page → [COMMAND
PORT]
Data section
(ASCII string)
9 bytes
Header
'0'
0x30
1 byte
Header
'0'
0x30
1 byte
Details
―
Blank
' '
0x20
1 byte
Data section
'0' Control command
0x30 (ASCII string)
1 byte Undefined length
Data section
'0' Control command
0x30 (ASCII string)
1 byte Undefined length
Termination symbol
Mode Termination symbol
'0'
0x30
1 byte
Termination symbol
Termination symbol
ENGLISH - 121
(CR)
0x0d
1 byte
(CR)
0x0d
1 byte
(CR)
0x0d
1 byte
(CR)
0x0d
1 byte