Rjs Inspector D4000 SP (FIRMWARE version A.06 and Late Uživatelský manuál stáhnout pdf (Strana 66)

Appendix K Operator’s Guide

RJS, Minneapolis, MN 002-5572

Element Reflectance Non-uniformity (ERN)

The reflectance difference between the highest

peak and lowest valley within each individual ele-

ment and quiet zone. When an element consists of

a single peak or valley, its element reflectance non-

uniformity is zero.

Element Width

The thickness or width of a bar or space as meas-

ured from its leading edge to its trailing edge.

Encoded Area

The total linear dimensional space taken by all

characters of a code pattern including start/stop

and data.

First Read Rate

The percentage of successful “reads” of a bar code

symbol on the first attempt.

Fixed Beam Scanner

A bar code reading device wherein coded items

pass across a stationary incandescent or LED light

source.

Flexo Film Master

A measurement standard symbol produced by

printing the symbol on clear plastic film using the

Flexographic printing process.

Gloss

A phenomenon related to the specular reflection of

incident light. The effect of gloss is to reflect more

of the incident light in a specular manner, and to

scatter less. This effect occurs at all angles of inci-

dence and should not be confused with the grazing

angle which is specular reflection often referred to

as sheen.

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Rjs Inspector D4000 SP (FIRMWARE version A.06 and Late Uživatelský manuál Strana 66