Rjs Inspector D4000 Auto Optic (FIRMWARE version A.05 Manual de usuario descargar pdf (Pagina 79)

Operator’s Guide Appendix K

002-5564 RJS, Minneapolis, MN

Start and Stop Characters

Characters typically used at the beginning and end of each bar-code symbol.

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. The greater the 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.

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Rjs Inspector D4000 Auto Optic (FIRMWARE version A.05 Manual de usuario Pagina 79