Opticon 25-WEDGE-04 Manual do Utilizador descarregar pdf (Página 19)

Page 15

Glossary (cont.)

Symbology - The structural rules and conventions

for representing data within a particular bar code

type.

UPC (Universal Product Code) - A relatively

complex numeric symbology. Each character

consists of two bar codes and two spaces, each of

which can be any of four widths. The standard

symbology for retail food packages in the United

States.

Wedge - A device that plugs in between a

keyboard and a PC. Includes a scanner allowing

data to be entered either by a keyboard or scan-

ner.

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Opticon 25-WEDGE-04 Manual do Utilizador Página 19