NEC LCD4010-BK LCD4010 external control command - Page 9

ASCII '0''0' (30h, 30h): Set parameter ASCII '0''1' (30h, 31h): Momentary Like Auto Setup function, that automatically changes the parameter. 10th-13thbytes) 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) 14th -17thbytes) 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) 18thbyte) ETX: End of Message ASCII ETX (03h) 5.5 Commands "Command message format" depends on each command. Some commands are shown with usage. Refer to section 7 to 10. 5.5.1 Save Current Settings. The controller requests for the monitor to store the adjusted value. STX Command code ETX '0' 'C' 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. STX Command code '0' '7' ETX 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; STX Command '4' 'E' SS Hi Lo MSB H Freq. SS: Timing status byte Bit 7 = 1: Sync Frequency is out of range. Bit 6 = 1: Unstable count LSB MSB V Freq. LSB ETX (9/37)