Panasonic PT VX400NTU - Manual (Page 74)

Technical Information
74
- ENGLISH
Appendix
J
Basic format
Transmission from the computer begins with STX, then the command, parameter, and ETX are sent in this
order. Add parameters according to the details of control.
STX C1 C2 C3 : P1 P2 Pn ETX
When sending commands without parameters, a colon (:) is not necessary. : 
J
Basic format (with sub command)
STX C1 C2 C3 : ETX
S1 S2 S3 S4 S5 E P1 P2 P3 P4 P5 P6
When transmitting a command which does not need a parameter, the operation (E) and parameter are not : 
necessary.
End
(1 byte)
Parameter
(undefined length)
Colon
(1 byte)
3 command
characters
(3 bytes)
Start
(1 byte)
Parameter (6 bytes)
Symbol “+” or “-” (1 byte) and set value or
adjustment value (5 bytes)
Operation (1 byte)
“=” (Value specified using parameter is set)
Same as basic format
Sub command (5 bytes)