Table of Contents
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Operator's Guide
Visual Measurement
Measurements obtained by using human vision in the
determination of characteristics of the bar code
symbol.
Void
White or light reflective area in a bar caused by a
printing error that can cause a bar to scan as a space.
Wide/Narrow Ratio
Ratio of narrow to wide elements.
X Dimension (or X-Dim)
The intended width of the narrow elements dictated by
the application and/or symbology specification. Also
referred to as Narrow Bar Width (NBW)
Zero Suppression
Technique used to shorten UPC symbols by omitting
zeros from the bar-code.
Z Dimension
The
achieved
width
Computation of Z is accomplished using different
factors for some symbologies.
003-4500
Appendix M
of
the narrow elements.
123
RJS, Minneapolis, MN
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Table of Contents
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