Datamax-O'Neil Class Series Programmer’s Manual - Manual (Page 297)

Class Series Programmer’s Manual 283
Glossary
alphanumeric Consisting of alphabetic, numeric, punctuation and other symbols.
backing material The silicon-coated paper carrier material to which labels with adhesive backing are
affixed. Also referred to as “liner”.
bar code A representation of alphanumeric information in a pattern of machine-readable marks. The
basic categories are divided into one-dimensional (UPC, Code 39, Postnet, etc.) and two-
dimensional bar codes (Data Matrix, MaxiCode, PDF417, etc.).
boot loader The resident program that loads the application from Flash memory, decompresses it into
the DRAM, and starts operations.
burn line The row of thermal elements in the print head.
calibration The process through which Media Sensor readings are entered into the printer for correct
sensor function (for example, detection of a given media type) and top of form positioning.
character set The entire complement of alphanumeric symbols contained in a given font.
checksum An alphanumeric error detection method used in many bar code symbologies for
informational security.
continuous media An uninterrupted roll or box of label or tag stock media that contains no gap, slit,
notch, or black mark to separate individual labels or tags.
cutter A mechanical device with a rotary or guillotine type blade used to cut labels or tags following
printing.
defaults The functional setting values returned following a factory reset of the printer.
diagnostics Programs used to locate and diagnose hardware problems.
die-cut media Media that has been cut into a pattern using a press, where the excess paper is removed
leaving individual labels, with gaps between them, attached to a backing material.
direct thermal The printing method that uses a heat sensitive media and only the heat of the thermal
print head to create an image on the label.
direct thermal media Media coated with special chemicals that react and darken with the application of
heat.
DPI (dots per inch) A measurement of print resolution, rated in the number of thermal elements
contained in one inch of the print head. Also referred to as “resolution.”