Motorola SYMBOL LS9203 User Manual
Page 329
Glossary
GL-5
Symbology
The structural rules and conventions for representing data within a particular bar code
type (e.g. UPC/EAN, Code 39).
Tolerance
Allowable deviation from the nominal bar or space width.
UPC
Universal Product Code. A relatively complex numeric symbology. Each character
consists of two bars and two spaces, each of which is any of four widths. The
standard symbology for retail food packages in the United States.
Visible Laser Diode
(VLD)
A solid state device which produces visible laser light.