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Destination
A set of resolution and calibration settings that match the
characteristics of the scan to the final output device. EPSON
TWAlN provides several Destination settings to adjust your
scanned image to suit the output device you intend to use. You
can also define your own Destination settings.
Device
A piece of computer equipment that performs a specific task,
such as a disk drive, a monitor, a printer, or a scanner. Also
called a peripheral.
Device Driver
A file containing instructions that allow your computer to
recognize and control a device (such as a monitor, printer, or
scanner).
Dithering
A process in which software or an output device simulates
continuous tones with repeating patterns of dots.
DPI
Dots per inch. A unit of measurement for resolution. The
higher the value, the higher (finer) the resolution.
Dropout
A scanner software setting which lets you instruct your scanner
to ignore a color.
EPS
Encapsulated PostScript. An industry standard file format
supported by most applications.
Exposure
The brightness and contrast of an image.
File Format
The manner in which a graphic image is stored on the disk.
Gamma Correction
A method of adjusting the transfer curve so that the
reproduction results on different types of output devices have
gradations similar to the original image.
2 Term Glossary