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5.5.2 Get Timing Report and Timing reply.
The controller requests the monitor to report the displayed image timing.
Ø
Send "07"(30h, 37h) as Get Timing Report command.
Ø
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;
Ø
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.
Ø
H Freq: Horizontal Frequency in unit 0.01kHz
Ø
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.
STX
Command code
ETX
'0'
'7'
STX
Command
SS
H Freq.
V Freq.
ETX
'4'
'E'
Hi
Lo
MSB
LSB
MSB
LSB
Summary of Contents for X754HB
Page 6: ... 6 139 Please refer Controlling the LCD monitor via LAN control on User s manual ...
Page 14: ... 14 139 4 4 Delimiter Packet delimiter code ASCII CR 0Dh Header Message Check code Delimiter ...
Page 17: ... 17 139 18th byte ETX End of Message ASCII ETX 03h ...
Page 51: ... 51 139 CR 0Dh End of packet ...
Page 89: ... 89 139 Delimiter CR 0Dh End of packet ...
Page 98: ... 98 139 Delimiter CR 0Dh End of packet ...
Page 102: ... 102 139 Delimiter CR 0Dh End of packet ...
Page 106: ... 106 139 Delimiter CR 0Dh End of packet ...
Page 108: ... 108 139 Delimiter CR 0Dh End of packet ...
Page 110: ... 110 139 Delimiter CR 0Dh End of packet ...
Page 112: ... 112 139 Delimiter CR 0Dh End of packet ...
Page 115: ... 115 139 Delimiter CR 0Dh End of packet ...
Page 118: ... 118 139 Delimiter CR 0Dh End of packet ...
Page 124: ... 124 139 Delimiter CR 0Dh End of packet ...