Rjs Inspector D4000 Laser (FIRMWARE version A.05 and E Manual do Utilizador descarregar pdf (Página 78)

Appendix K Operator’s Guide

RJS, Minneapolis, MN 002-5568

Specular Reflection

Reflection of light from a surface at an angle equal and opposite to the angle of inci-

dence.

Start and Stop Characters

Characters typically used at the beginning and end of each barcode 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 barcode symbol is “printed” or

reproduced.

Symbol

See Barcode 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 high-

er the grade.

SC = Rmax - Rmin

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Rjs Inspector D4000 Laser (FIRMWARE version A.05 and E Manual do Utilizador Página 78