Avery Dennison 9400 Series Programmer Manual User Manual

Page 97

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Here’s why bar code 1 is wider:

The 8 numbers in each example appear in groups of
four or more, and they appear in even-numbered
quantities, therefore, all 8 numbers will use code C.

The 6 alphabetic characters will use code B.

Look at the example again. This time, data is underlined when
the character set changes.

The bar code for data arranged like this:

Bar code 1

Data = 1234ABC5678DEF

is wider than data arranged
like this:

Bar code 2

Data = 12345678ABCDEF

This shows that bar code width varies depending on how data
is arranged. Separating numeric and alphabetic characters
reduces the number of character set changes. Fewer
character set changes reduce bar code width.

Ap
p

e

n

d

ix B:

Co
d

e

128

In

fo

rmat

io

n

Appendix B: Code 128 Information

B-3

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