Set Parameter - NEC MultiSync V422 Control Manual

5.3 Set parameter

OP code page
STX
Hi Lo
st nd rd
1 2 -3
Send this message to change monitor's adjustment and so on.
The controller requests a monitor to change value.
st
1 byte) STX: Start of Message
ASCII STX (02h)
nd rd
2 -3 bytes) OP code page: Operation code page
This OP code page data must be encoded to ASCII characters.
Ex.) The byte data 02h must be encoded to ASCII '0' and '2' (30h and 32h).
Refer to the Operation code table.
th th
4 -5 bytes) OP code: Operation code
This OP code data must be encoded to ASCII characters.
Ex.) OP code 1Ah ->
Refer to the Operation code table.
th th
bytes) Set value : ( 16bit)
6 -9
This data must be encoded to ASCII characters.
Ex.) 0123h ->
th
10 byte) ETX: End of Message
ASCII ETX (03h)
OP code Set Value
Hi Lo MSB
th th th
4 -5 6 -9
OP code (Hi) = ASCII '1' (31h)
OP code (Lo) = ASCII 'A' (41h)
st
1 (MSB) = ASCII '0' (30h)
nd
2 = ASCII '1' (31h)
rd
3 = ASCII '2' (32h)
th
4 (LSB) = ASCII '3' (33h)
ETX
LSB
th th
10
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