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4.2 Message block format
“Message block format” is allied to the “Message Type” in the “Header”.
Refer to the section 6 “Message format” for more detail.
1Get current parameter
The controller sends this message when you want to get the status of the monitor.
For the status that you want to get, specify the “OP code page” and “OP code”,
refer to “Appendix A. Operation code table”.
“Message format” of the “Get current parameter” is as follows,
Refer to section 5.1 “Get current parameter from a monitor.” for more details.
2Get Parameter reply
The monitor will reply with the status of the requested item specified by the controller
in the “Get parameter message”.
“Message format” of the “Get parameter reply” is as follows,
Refer to section 5.2 “Get parameter reply” for more details.
3Set parameter
The controller sends this message to change a setting of the monitor.
Message format of the “Set parameter” is as follows,
Refer to section 5.3 “Set parameter” for more details.
4Set Parameter reply
The monitor replies with this message for a confirmation of the “Set parameter message”.
Message format of the “Set parameter reply” is as follows,
Refer to section 5.4 “Set parameter reply” for more details.
5Command
“Command message” format depends on each command.
Usually, this “command message” is used for some non-slider controls and some special operations,
such as “Save current settings”, “Get timing report”, “power control”, “Schedule”, etc. Refer to
Header
Message
Check code
Delimiter
OP code page
OP code
STX Hi Lo Hi Lo ETX
Result OP code
page OP code Type Max value Current Value
STX Hi
Lo Hi
Lo
Hi
Lo
Hi
Lo
MSB
LSB MSB
LSB ETX
OP code
page OP code Set Value
STX Hi
Lo
Hi
Lo
MSB
LSB ETX
Result OP code
page OP code
Type Max value Requested setting
Value ETX
STX Hi Lo
Hi
Lo
Hi
Lo
Hi
Lo
MSB
LSB MSB LSB