Allen-Bradley 2755 User Manual download pdf (Page 81)

Glossary G–3

capture count

The number of consecutive identical valid decodes that result in a

valid read.

character

One symbol of a set of symbols that normally includes both alpha

and numeric codes plus punctuation marks and other symbols that

may be read, stored, or written.

character self-checking

The feature which allows a bar code reader to determine if a scanned

group of elements is a valid symbol character. If a symbology is

described as character self-checking, a single printed defect (edge

error) in any symbol character does not produce a valid character.

character set

Those characters available for encodation in a particular automatic

identification technology.

check character

A character included within a symbol whose value is used for the

purpose of performing a mathematical check to ensure the symbol

has been decoded.

check digit

See check character.

clear area

See quiet zone.

code set

The specific assignment of data characters to symbol characters.

configuration

The arrangement and interconnection of hardware components

within a system, and the hardware (switch and jumper) and software

selections that determine the operating characteristics of the system.

configuration file

The set of attributes which belongs to and defines the operation of a

single physical device.

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Allen-Bradley 2755 User Manual Page 81