Wasp Bar Code Wasp Duraline WLS 8400 FZ User Manual
Page 378
WLS 8400 Product Reference Guide
GL-8
Encoded Area
Total linear dimension occupied by all characters of a
code pattern, including start/stop characters and data.
Error Correction
A reader or decoder's use of mathematical schemes to
reconstruct or replace damaged or missing symbol
characters to enable the reading of the symbol data.
Error Detection
This occurs when error-correction characters detect
that the presence of errors in the symbol exceeds the
error correction capacity, and keeps the symbol from
being decoded as erroneous data.
Error-Correction Characters
Symbol characters used for error correction and
detection, calculated automatically from the other
symbol characters.
Error-Correction Level
An indicator of the number of characters used in a
symbology for error correction. A higher level of
error correction allows for correcting greater
potential symbol damage.
Error-Detection Characters
Symbol characters reserved for error detection that
are calculated automatically from the other symbol
characters.
Fixed Beam Bar Code Reader
A scanning device where scanning motion is
achieved by moving the object relative to the reader;
as opposed to a moving beam reader.
Guard Bars
Bars located at both ends and the center of a UPC and
EAN symbol to provide reference points for
scanning.
Horizontal Bar Code
A bar code or symbol with an overall length
dimension that is parallel to the horizon, which
resembles a picket fence.
Host Computer
A computer that serves other terminals in a network,
providing such services as computation, database
access, supervisory programs, and network control.
IEC
International Electrotechnical Commission. This
international agency regulates laser safety by
specifying various laser operation classes based on
power output during operation.