RJS Inspector D4000 Auto Optic (FIRMWARE version A.06 and Later) - Manual (Page 84)

Appendix K Operator
’s Guide
RJS, Minneapolis, MN 002-5564
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 specification.
Zero Suppression
Technique used to shorten UPC symbols by omitting
zeros from the bar-code.
Z Dimension
The achieved width of the narrow elements. Compu-
tation of Z is accomplished using different factors for
some symbologies.