Rjs Inspector D4000 SP (FIRMWARE version A.06 and Late Instrukcja Użytkownika Pobierz pdf (Strona 72)

Appendix K Operator’s Guide

RJS, Minneapolis, MN 002-5572

Print Contrast Signal (PCS)

A comparison between the reflectance (brightness

difference) of bars and spaces in a symbol. PCS

under a given set of illumination conditions is de-

fined as follows:

PCS is calculated as follows:

L - D

Where:

L = Lightest (highest reflectance)

D = Darkest (lowest reflectance)

Profile

See Scan Reflectance Profile

Quiet Zone

The area immediately preceding the start character

and following the stop character in a bar code sym-

bol as specified in a particular application and/or

symbology specification.

Reference Decode

Each symbology type specifies a specific decoding

method to be used in determining overall symbol

grade.

This parameter grade can be “A” or “F.” (“A” is

pass and “F” is fail). If this parameter is “F” the

overall symbol grade will also be “F” regardless of

any other parameter. If this parameter is “A” the

lowest of the other parameter grades determines

the overall symbol grade.

Reflectance

A measure of the amount of light reflected from an

illuminated surface.

Reflectance Minumum

x 100%

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