
Operator
’s Guide
Appendix K
002-7858
RJS, Minneapolis, MN
61
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
The intended width of the narrow elements dictated by the application and/or symbology speci-
fication.
Zero Suppression
Technique used to shorten UPC symbols by omitting zeros from the bar-code.
Z Dimension
The achieved width of the narrow elements. Computation of Z is accomplished using different
factors for some symbologies.