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CODE128
This bar code consists of 103 bar code characters
and three code sets, enabling 128 ASCII code
characters to be printed. It has a variable length
of columns.
• Code set A ASCII characters 00H - 5FH can be
represented.
• Code set B ASCII characters 20H - 7FH can be
represented.
• Code set C Two-digit numbers 00 - 99 can each
be represented by one character.
In addition to the above characters, special
characters are available:
• Shift character (SHIFT)
When used in code set A, one character next to a
Shift character is treated as a character of code
set B. When used in code set B, one character
next to a Shift character is treated as a character
of code set A. The Shift character cannot be used
in code set C.
• Code set select characters (CODE A, CODE B,
CODE C):
The code set following a code set select character
is switched to code set A, B, or C.
• Function characters (FNC1, FNC2, FNC3, FNC4):
How the function characters are used depends
on each application. In code set C, only FNC1 is
available.
When sending print data, note these points:
(1) Each string of bar code data must begin with a code set
select character (CODE A, CODE B, or CODE C), which selects
the first code set to use.
(2) Every special character is specified by a combination of two
characters: a brace “{” followed by one character. A brace
“{” itself is sent twice consecutively.
