Code128 a, b, c – CognitiveTPG DLXi User Manual

Page 302

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B A R C O D E I N F O R M A T I O N

Postnet uses a start and stop bar and a modulo 10 check digit.

CognitiveTPG printers automatically calculate and add this digit to
the code.

CODE128 A, B, C

CODE128 uses 106 unique characters in three character sets to
represent the numerals 0 through 9, the English alphabet in both

upper and lowercase, some punctuation, and some special characters.
CognitiveTPG printers automatically calculate and add the checksum

character, as well as any required start and stop characters.

CODE128A, CODE128B, and CODE128C are the three character sets
of the CODE128 symbology.

CODE128A can encode punctuation, the digits 0 through 9, the
English alphabet in uppercase only, the standard ASCII control codes,

and the special characters shown in Table 3.

CODE128B can encode punctuation, digits 0 through 9, the English

alphabet in both upper and lowercase, and the special characters in

the table following.

CODE128C is numeric only, and encodes numbers 00 through 99 plus

the special characters shown in the table. It encodes numbers more
efficiently than CODE128A or CODE128B, since the numbers are

encoded as double digits.

CognitiveTPG printers can handle special characters like the bell

character that are contained in the CODE128 specification by using

the caret (^) character followed by the two digit number of the
character to be printed. The caret character works only with numbers

between 0 and 38. The first 32 characters (0 to 31) will print the
character represented by its ASCII number; for instance, ^07 will print

the BELL character and ^13 will print the carriage return character.
The two digit numbers from 32 to 38 will print the special characters

shown below.

2 Digit CODE128A CODE128B

CODE128C

CODE128

32 FNC3

FNC3

invalid

FNC3

33 FNC2

FNC2

invalid

FNC2

34 SHIFT SHIFT

invalid

invalid

35

CODE C

CODE C

invalid

invalid

36

CODE B

FNC4

CODE B

FNC4

37

FNC4

CODE A

CODE A

FNC4

38 FNC1

FNC1

FNC1

FNC1

Revision F, January 2012, CognitiveTPG

293

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