Wasp Bar Code WLS 8400 ER Aspect Ratio, Autodiscrimination, Automatic Identification System, Bar

GL-2WLS 8400 Product Reference Guide

ASCII	American Standard Code for Information
	Interchange.
	A 7-bit-plus-parity code representing 128 letters,
	numerals, punctuation marks, and control characters.
	It is a standard data transmission code in the U.S.
Aspect Ratio	The ratio of symbol height to symbol length in a 2-
	dimensional symbol.
Autodiscrimination	The ability of an interface controller to determine the
	code type of a scanned bar code. After this
	determination is made, the information content is
	decoded.
Automatic Identification System	The application of various technologies, such as bar
	code recognition, image recognition, voice
	recognition and RF/MW transponders, for the
	purpose of data entry into a data processing system
	and bypassing the key-entry component of traditional
	data entry.
Background	The area surrounding a printed symbol including the
	spaces and quiet zones.
Bar	The dark element in a printed bar code symbol.
Bar Code	An array of parallel rectangular bars and spaces
	arranged according to the encodation rules of a
	particular symbol specification in order to represent
	data in machine-readable form (i.e., Code 39).
Bar Code Character	A single group of bars and spaces which represent an
	individual number, letter, punctuation mark or other
	symbol.
Bar Code Density	The number of characters represented per unit of
	measurement (e.g., characters per inch).
Bar Code Reader	A device used to read or decode a bar code symbol.
Bar Code Symbol	The combination of symbol characters and features
	required by a particular symbology, including quiet
	zones, start and stop characters, data characters,
	check characters and other auxiliary patterns, that
	together form a complete scannable entity (see
	Symbol).
Bar Height	The dimension of a bar measured perpendicular to the
	bar width (see Y Dimension).