9560 Transaction Manager User's Manual - Intermec

Glossary
continuous code
continuous bar code symbol
A bar code or symbol in which the space between two characters
(intercharacter gap) is part of the code, such as USD-1 (Interleaved 2 of 5
Code). A continuous code is the opposite of a discrete code.
G
contrast
Amount of difference in reflectance between the dark bars and the light spaces
of a bar code; measured by print contrast signal (PCS).
controller
A network device that regulates the starting or stopping of data from the
polled device.
CRRM
Computer Response Required Mode.
data transmission event
A block of data is transmitted from one device to another.
density
Color strength. The mass of a unit volume opacity. See also Bar Code Density.
digital
Pertaining to data in the form of digits. In signals, digital refers to a signal that
assumes one of a predetermined set of values, such as 0 to 1, as opposed to a
signal that may assume any value over a continuing range of values, such as
an analog signal.
dirt
Refers to the presence of relatively nonreflective foreign particles embedded in
a sheet of paper. The size and lack of reflectance of the particles may be such
that they will be mistaken for inked areas by an optical scanner.
discrete code
discrete bar code symbol
A bar code symbol in which the intercharacter gap is not part of the code and is
allowed to vary dimensionally within wide tolerance limits.
EAN
European Article Numbering; now also IAN - International Article Numbering.
G-7