pixel

Short for picture element. Each image is composed of a number of pixels. Pixels are also counted in units of dots.

An interface channel through which data is transmitted between devices.resolution

Indication of how finely an image is resolved into pixels. Measured in dots per inch (dpi) or pixels per inch (ppi).

scan

An operation performed by the sensor and the carriage. The image is divided into pixels by scanning.

scan mode

A selection of pixel depths and halftoning methods. Epson TWAIN provides several scan mode settings to adjust the scanned image you are creating. You can also define your own scan mode settings.

scanning areaThe physical size of the image that can be scanned by the scanner.

Short for small computer system interface. Epson TWAIN can use the Adaptec AHA-1510 SCSI host adapter or any other ASPI compliant host adapter to communicate between the computer and the scanner.

Glossary 3