FARGO electronic HDP820 service manual 509

RESTRICTED USE ONLYFargo Electronics, Inc.

Glossary of Terms (continued)

Term	Definition
Flash Memory	A microchip based non-volatile memory device that holds its data
	when power is removed. This allows for field reprogramming of
	the Printer commands, such as Printer Firmware upgrades,
	without the necessity of changing chips.
Font	A character set similar in style and form. Fonts can be graphical
	or mathematical constructs, represented by a Series of dots or an
	assembly of curves and lines.
FPGA (Field	A microchip with configurable logic circuits installed that is
Programmable Gate	programmed to act as the Printer's central processor.
Array)
Full bleed	Printing that covers the entire card surface.
Gamma	The degree of contrast of an image or the display of a monitor
	determined by the slope of a characteristic curve relating optical
	density to relative log exposure.
Glossy/Matte	A smooth polished surface in comparison to a rougher matte
	surface. Fargo matte cards have a surface index (Ra) of
	approximately 65 microinches while glossy have a Ra = 3.
Glossy PVC	A card made of PVC with a smooth polished surface (Surface
	roughness of approximately 0 - 10 micro-inches). This is required
	for direct to card dye-sublimation printing.
Graphical Device	A Windows standard for protocol between Drivers and
Interface (GDI)	applications and the Windows interface. An application uses a
	Driver to rasterize the data in the format necessary for the Printer
	but also for the Windows interface to execute the print
	commands.
Gray Scale	A graduation through the various brightness levels from white to
	black.
Halftoning	A process in Monochrome printing that simulates continuous tone
	by using changes to the distribution of single dots. Increasing the
	number of dots in a given area increases the darkness even
	though the individual dots stay the same size.
	Continued on the next page

HDP￿ 800 Series Card Printer/Encoders Service Manual (Rev. 5.0) 509