Epson Macintosh User Manual

Page 72

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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

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