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TK-41 OPERATION MANUAL
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APPENDIX G – CODE128 BAR CODE
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In Code128 bar code system, it is possible to represent 128 ASCII characters and 2-
digit numerals using one bar code character that is defined by combining one the 103
bar code characters and 3 code sets. Each code set is used for representing the
following characters:
G.1 Description of the CODE128 Bar Code
•
Code set A
: ASCII characters 00H to 5FH
•
Code set B
: ASCII characters 20H to 7FH
•
Code set C
: 2-digit numeral characters using one character (100 numerals from 00
to 99)
The following special characters are also available in Code128:
-
SHIFT
characters
In code set A, the character just after SHIFT is processed as a character for code
set B. In code set B, the character just after SHIFT is processed as the character
for code set A.
SHIFT character cannot be used in code set C.
-
Code set selection character (
CODE A
,
CODE B
or
CODE C
)
This character switches the following code set to code set A, B or C.
-
Function character (
FNC1
,
FNC2
,
FNC3
or
FNC4
)
The usage of function characters depends on the application software. In code set
C, only FNC1 is available.