NEC MultiSync LCD3210 LCD3210 LCD3210 Owner's Manual page 4

3）Set parameter
The controller sends this message to change a setting of the monitor.
Message format of the "Set parameter" is as follows;
OP code page
STX
Hi
Refer to section 5.3 "Set parameter" for more details.
4）Set 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;
Result OP code page
STX
Hi Lo Hi
Refer to section 5.4 "Set parameter reply" for more details.
5）Command
"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
section 5.5 "Commands message" for more details.
6）Command reply
The monitor replies to a query from the controller.
"Command reply message" format depends on each command.
Refer to section 5.5 "Commands message" for more details.
4.5 Check code
Check code is the Block Check Code (BCC) between the Header and the End of Message except SOH.
SOH
Reserved
Destination
Source
Type
Length
STX
Data
ETX
Check code
D = D XOR D XOR D
n+1 1 2
XOR: Exclusive OR
OP code
Lo Hi Lo
OP code
Lo Hi Lo
Header Message
2
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
| |
| |
D
n
D P
n+1
XOR ,,, D
3 n
Set Value
ETX
MSB LSB
Type Max value
Hi Lo MSB
Check code
7 6 5 4
2 2 2 2
P P P P
(4/38)
Requested setting
Value
LSB MSB
Delimiter
3 2 1 0
2 2 2
P P P
ETX
LSB