Opticon 25-WEDGE-04 Manual de usuario descargar pdf (Pagina 17)

Page 13

Glossary (cont.)

Code 3 of 9 (Code 39) - A versatile and widely

used alphanumeric bar code symbology with a set

of 43 characters types, including all upper case

letters, numerals from 0 to 9 , and 7 special

characters (- / . + % $ and space). The code

name is derived from the fact that 3 of 9 elements

representing a character are wide, while the

remaining 6 are narrow.

Decode - To recognize a bar code symbology and

then analyze the content of the specific bar code

scanned.

Default - A standard setting assigned to a

parameter type unless a different setting is

assigned to that parameter.

Depth of field - The distance between the

maximum and minimum plane in which bar code

reader is capable of reading symbols.

EAN (European Article Number) - This

European/International version of the UPC pro-

vides its own coding format and symbology

standards. Element dimensions are specified

metrically. EAN is used primarily in retail.

Encode - To translate data into machine readable

form using the format and conventions of a

specific bar code symbology.

Host Computer - A computer that serves other

terminals in a network, providing such services as

computation, database access, supervisory pro-

grams, and network control.

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Opticon 25-WEDGE-04 Manual de usuario Pagina 17