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Back to TOC Glossary 129
RGB
Red, Green, Blue. The color model in which every color is composed
of a varying amount of red, green, and blue, which are the three
primary colors of light. RGB is used to display colors on a computer
monitor.
rich text format
A format for text files. Rich Text Format preserves all formatting in the
original text document. It converts formatting into instructions that
compatible programs can interpret. Rich Text Format files are saved
with the filename extension .rtf.
right-click
To press and release the right mouse button once.
rotate tool
To rotate the entire scan 90 degrees clockwise or 90 degrees
counterclockwise.
s
saturation
The intensity of color in a specific hue. An image with high color
saturation has vivid color. A black-and-white photograph has zero
saturation. See also hue.
scale
To reduce or increase the physical size of an image while maintaining
aspect ratio (the ratio of the horizontal dimension to the vertical
dimension).
scan
To capture a picture, photograph, or text as a digital electronic image
using a scanner. This term also refers to the image that has been
scanned.
scanner bed
The glass surface of the scanner where you place items to scan.
Sometimes referred to as the scanner glass.
scanner glass
The glass surface on the scanner where you place items to scan.
Sometimes referred to as the scanner bed.
scanner lid
The lid, or cover, of the scanner, which holds the original paper flat for
scanning.
scanning source
Scanning (or scan) sources include the flatbed, transparency-slides,
and transparency-negatives.
screen resolution
The measurement of the number of lines per inch (lpi) that a screen
can display. This is usually 75 lpi.
selection area
The area inside the rectangular border drawn around a portion of the
image in the Preview area. The selection area is scanned when you
drag-and-drop, save to a file, copy to the clipboard, or print.