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.

ExposureThe brightness and contrast of an image.File FormatThe 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