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Save Current Settings; Get Timing Report And Timing Reply - NEC V321-2 Communications Manual

V321-2 : rs232 codes for v321, v421, v461.
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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)
5.5 Commands
"Command message format" depends on each command
section 7 to 13.

5.5.1 Save Current Settings.

The controller requests for the monitor to store the adjusted value.
Command code
STX
'0'
Send "OC"(30h, 43h) as Save current settings command.
Complete "Save Current setting" command packet as follows;
ASCII: 01h-30h-41h-30h-41h-30h-34h-02h-30h-43h-03h-CHK-0Dh
SOH-'0'-'A'-'0'-'A'-'0'-'4'-STX-'0'-'C'-ETX-CHK- CR
The monitor replies the packet for confirmation as follows;
SOH-'0'-'0'-'A'-'B'-'0'-'6'-STX-'0'-'0'-'0'-'C'-ETX-CHK- CR

5.5.2 Get Timing Report and Timing reply.

The controller requests the monitor to report the displayed image timing.
Command code
STX
'0'
'7'
Send "07"(30h, 37h) as Get Timing Report command.
Complete "Get Timing Report" command packet as follows;
ASCII: 01h-30h-41h-30h-41h-30h-34h-02h-30h-37h-03h-CHK-0Dh
SOH-'0'-'A'-'0'-'A'-'0'-'4'-STX-'0'-'7'-ETX-CHK- CR
The monitor replies status as the following format;
Command
STX
'4'
'E'
SS: Timing status byte
Bit 7 = 1: Sync Frequency is out of range.
Bit 6 = 1: Unstable count
ETX
'C'
ETX
SS
Hi
Lo
MSB
.
Some commands are shown with usage. Refer to
H Freq.
LSB
MSB
(10/37)
V Freq.
ETX
LSB

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