RJS Inspector D4000 Auto Optic (FIRMWARE version A.05 and Earlier) - Manual (Page 81)

Operator
’
s Guide Appendix K
002-5564 RJS, Minneapolis, MN 74
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
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. Computation of Z is accomplished using
different factors for some symbologies.
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