Operator
’s Guide
Appendix M
003-4500
RJS, Minneapolis, MN
109
Bit
The narrowest code element (bar of space) that may
contain information.
Character
The smallest group of elements assigned by a
symbology to uniquely represent one or more
numbers, letters, punctuation marks or other
information.
Character Set
The numbers and/or letters and markings included in
a bar code symbol.
Check Character (or Check Digit)
A character included within a bar code symbol whose
value is used for performing a mathematical check of
the validity of the decoded data.
Contact Code Reader
A light pen or other scanning device that must come
into physical contact with the code medium in order to
read the symbol.
Continuous Code
A bar code or symbol wherein the space between the
characters is part of the code.
Decodability
This parameter grade can be
“A,” “B,” “C,” “D” or “F.”
The Decodability grade indicates the amount of error
in the width of the most deviant element in the
symbol. The less deviation, the higher the grade.
Decodability is a measure of print accuracy using the
symbology reference decode algorithm.