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BCT_CODE93EXT
Field of Application
Code 9 of 3 extended is a universal barcode with many applications in the industry.
It uses the same coding as Code 93, but allows the usage of all 127 characters of the ASCII character set by coding the characters not available in Code 93 into special control codes.
The advantage of the barcode is its huge character set. The disadvantage is the small information-density as well as the low tolerance.
Charset / Number of Characters
The charset comprises all 127 ASCII characters.
The number of characters is not limited. However the code is not very dense and needs much space.
Checkdigit
Code 93 extended uses two checkdigits. The use of the checkdigits is optional. The barcode library can generate them automatically.
Characteristics
•The Code 93 extended is out-of-date. If possible we recommend to use Code128 instead, which is also capable to represent all 127 characters of the ASCII character set.
•The Code 93 extended uses two checkdigits.
•The aspect ratio between thin and thick modules can be adjusted using the properties BarcodeThinBar and BarcodeThickBar. To adjust for example a ratio of 1 : 2,5 set BarcodeThinBar = 2 and BarcodeThickBar = 5.