RJS Inspector 5000 Operator's Manual page 127

Operator's Guide
Substitution Error
This error can be seen in a mis-encodation, mis-read
or human operator error where characters that were
to be entered were substituted with erroneous
information.
Substrate
The material (paper, plastic, metal, etc.) upon which a
bar code symbol is "printed" or reproduced.
Symbol
See Bar code symbol.
Symbol Contrast (SC)
This parameter grade can be "A," "B," "C," "D" or "F."
Symbol contrast is the difference in reflectance values
of the "lightest" space (including the quiet zone) and
the "darkest" bar of the symbol.
difference, the higher the grade.
SC = Rmax - Rmin
Symbol Grade
The simple average of all the overall profile grades
using the standard weighing
4.0 = A
3.0 = B
2.0 = C
1.0 = D
0.0 = F
The symbol grade may be stated as a decimal or
converted to a letter grade. A measuring aperture
number and nominal wavelength are also specified.
Symbology
A set of rules for encoding information in a bar code
symbol.
003-4500
Appendix M
121
RJS, Minneapolis, MN