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NEC MultiSync V423 User Manual

NEC MultiSync V423
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5.5.2 Get Timing Report and Timing reply.
The controller requests the monitor to report the displayed image timing.
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;
SS: Timing status byte
Bit 7 = 1: Sync Frequency is out of range.
Bit 6 = 1: Unstable count
Bit 5-2 Reserved (Don't care)
Bit 1 1:Positive Horizontal sync polarity.
0:Negative Horizontal sync polarity.
Bit 0 1:Positive Vertical sync polarity.
0:Negative Vertical sync polarity.
H Freq: Horizontal Frequency in unit 0.01kHz
V Freq: Vertical Frequency in unit 0.01Hz
Ex.) When H Freq is '1''2''A''9' (31h, 32h, 41h, 39h), it means 47.77kHz.
Command code
STX
'0' '7'
ETX
Command SS H Freq. V Freq.
STX
'4'
'E'
Hi Lo MSB
LSB
MSB
LSB
ETX

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NEC MultiSync V423 Specifications

General IconGeneral
BrandNEC
ModelMultiSync V423
CategoryMonitor
LanguageEnglish

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