NEC LCD4010-BK LCD4010 external control command - Page 21

| '1'-'E'(31h, 45h): 30(=1Eh) WW: weekdays '0'-'0'(30h, 30h): Sunday '0'-'1'(30h, 31h): Monday '0'-'2'(30h, 32h): Tuesday '0'-'3'(30h, 33h): Wednesday '0'-'4'(30h, 34h): Thursday '0'-'5'(30h, 35h): Friday '0'-'6'(30h, 36h): Saturday HH: Hours '0'-'0'(30h, 30h): 0 | '1'-'7'(31h, 37h): 23 (=17h) MN: Minutes '0'-'0'(30h, 30h): 0 | '3'-'B' (33h, 42h): 59 (=3Bh) DS: Daylight saving (Summer time) '0'-'0'(30h, 30h): NO '0'-'1'(30h, 30h): YES 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 2) The monitor replies a data for confirmation. Header Message SOH-'0'-'0'-Monitor ID-'B'-'1'-'6' STX-'C'-'3'-'1'-'2'-ST-YY-MM-DD-WW-HH-MN -DS-ETX Check code BCC Delimiter CR Header SOH (01h): Start Of Header '0' (30h): Reserved '0' (30h): Message receiver is the controller Monitor ID: Indicate a replying Monitor ID. Ex.) When this byte is set to 'A', the replying Monitor ID is '1'. 'B' (42h): Message type is "Command reply" '1'-'6'(31h, 36h): Message length. Message STX (02h): Start of Message 'C'-'3'-'1'-'2' (43h, 33h, 31h, 32h): Date & Time write reply command ST: Date & Time Status command '0'-'0'(30h, 30h):No error '0'-'1'(30h, 31h):Error 'YY'-'MM'-'DD'-'WW'-'HH'-'MN'-'DS': Date & Time data YY: Year (offset 2000) '0'-'0'(30h, 30h): 2000 | '6'-'3'(36h, 33h): 2099 (99 = 63h) MM: Month '0'-'1'(30h, 31h): January | '0'-'C'(30h, 43h): December DD: Day '0'-'1'(30h, 31h): 1 | '1'-'E'(31h, 45h): 30(=1Eh) (21/37)