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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

DTC400/DTC300/DTC300M Card Printer User Guide (Rev. 1.1)

14-8

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Garmin manual DTC400/DTC300/DTC300M Card Printer User Guide Rev 14-8