NEC LCD3210-BK LCD3210 external control command - Page 12

Step 4. The monitor replies with a message for confirmation. Header SOH-'0'-'0'- 'A' -'F'-'1'-'2' Message STX-'0'-'0'-'0'-'0'-'1'-'0'-'0'-'0'-'0' -'0'-'6'-'4'-'0'-'0'-'5'-'0'-ETX Check code BCC Delimiter CR Header SOH (01h): Start Of Header '0' (30h): Reserved '0' (30h): Message receiver is the controller 'A' (41h): Monitor ID LCD3210 must be ASCII 'A' (41h). 'F' (46h): Message Type is "Set parameter reply" '1'-'2' (31h, 32h): Message length is 18 bytes Message STX (02h): Start of Message '0'-'0' (30h, 30h): Result code. No error '0'-'0' (30h, 30h): Operation code page number is 0 '1'-'0' (31h, 30h): Operation code is 10h (in the page 0) '0'-'0' (30h, 30h): This operation is "Set parameter" type '0'-'0'-'6'-'4' (30h, 30h, 36h, 34h): Brightness max value is 100(0064h) '0'-'0'-'5'-'0' (30h, 30h, 35h, 30h): Received a Brightness setting was 80(0050h) as 80% ETX (03h): End of Message Check code BCC: Block Check Code Refer to the section 4.5 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet Repeat Step 1 and Step 2, if you need to check the Brightness setting. (Recommended) Step 5. Request the monitor to store the Brightness setting. (Save Current Settings Command) Header SOH-'0'-'A'-'0'-'A'-'0'-'4' Message STX-'0-'C'-ETX Check code Delimiter BCC CR Header SOH (01h): Start Of Header '0' (30h): Reserved 'A' (41h): Monitor ID LCD3210 must be ASCII 'A' (41h). '0' (30h): Message sender is the controller 'A' (41h): Message type is "Command" '0'-'4' (30h, 34h): Message length is 4 bytes Message STX (02h): Start of Message '0'-'C' (30h, 43h): Command code is 0Ch as "Save current settings" ETX (03h): End of Message Check code BCC: Block Check Code Refer to the section 4.5 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (12/38)