อักขระเริ่มต้น

…that tell the scanner where the symbol starts and ends), a start pattern, data characters, a check digit for error detection, and a…

…symbology type and scanning direction. In Code 128 , the start character also indicates which code set (A, B, or C) is active. In…

…includes a Modulo 103 check character: Start with the start character value (103, 104, or 105 depending on code set) Multiply…

…Each Code 128 symbol contains: Quiet zone (10X minimum) Start character (Start A, Start B, or Start C) Data characters (variable…

…but a stack of linear barcode rows. Each row contains: A start pattern (fixed) A left row indicator (encodes row number and EC…

…FNC1 after start : The first character after the Code 128 start character must be FNC1 (Function Code 1). This signals to the…