A-61408 September 1995 C-15
Fields Displayed The following table defines the fields displayed (for additional
information refer to

Bar Code Specifications

):
Field Type Field Description
Dimensional W/N Wide to narrow ratio. The average ratio of wide element widths to narrow
element widths within a bar code. The wide to narrow average ratio is
calculated for both wide and narrow bars and wide and narrow spaces; the
smallest of the two ratios is displayed.
NEW Minimum Narrow-Element Width A measure of the smallest narrow-element
width.
Reflectance Contrast Symbol contrast. A comparison of the darkest element and the lightest
element of the bar code.
MOD Modulation. A measure of the consistency of the overall bar code print
clarity (all elements), specifically, the sharpness of the bar edge contrast.
DEF Defect Ratio. A measure of the consistency of the individual element clarity,
specifically the occurrence of spots (in spaces) and voids (in bars).
RMIN Minimum Reflectance. A measure of the lightest element of a bar code.