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Set Parameter" Reply - NEC MultiSync V422 Control Manual

External control.
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5.4 "Set parameter" reply

Result
OP code page
STX
Hi
Lo
Hi
st
nd
rd
1
2
-3
4
The Monitor echoes back the parameter and status of the requested operation code.
st
1
byte) STX: Start of Message
ASCII STX (02h)
nd
rd
2
-3
bytes) Result code
ASCII '0''0' (30h, 30h): No Error.
ASCII '0''1' (30h, 31h): Unsupported operation with this monitor or unsupported operation under
current condition.
th
th
4
-5
bytes) OP code page: Echoes back the Operation code page for confirmation.
Reply data from the monitor is encoded to ASCII characters.
Ex.) OP code page 02h ->
Refer to Operation code table.
th
th
6
-7
bytes) OP code: Echoes back the Operation code for confirmation.
Reply data from the monitor is encoded to ASCII characters.
Ex.) OP code 1Ah ->
Refer to Operation code table
th
th
8
-9
bytes) Type: Operation type code
ASCII '0''0' (30h, 30h): Set parameter
ASCII '0''1' (30h, 31h): Momentary
Like Auto Setup function, that automatically changes the parameter.
th
th
10
-13
bytes) Max. value: Maximum value that monitor can accept. (16bits)
Reply data from the monitor is encoded to ASCII characters.
Ex.) '0''1''2''3' means 0123h (291)
th
th
14
-17
bytes) Requested setting Value: Echoes back the parameter for confirmation. (16bits)
Reply data from the monitor is encoded to ASCII characters.
Ex.) '0''1''2''3' means 0123h (291)
th
18
byte) ETX: End of Message
ASCII ETX (03h)
OP code
Lo
Hi
Lo
th
th
th
th
-5
6
-7
OP code page = ASCII '0' and '2' (30h and 32h)
OP code (Hi) = ASCII '1' (31h)
OP code (Lo) = ASCII 'A' (41h)
Type
Max value
Hi
Lo
MSB
th
th
th
8
-9
10
-13
(16/71)
Requested setting
Value
LSB
MSB
th
th
14
-17
ETX
LSB
th
th
18

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