Canon imageclass mf6560 ユーザーガイド

4-3

Abbreviation of the phrase “application software.” Software 
designed for a specific purpose such as word processing 
software, spreadsheet software, database software, or a 
combination of these.

An indication of the volume of data used to describe points in an 
image. A 1-bit image assigns image data black or white color 
values depending on whether the brightness value is above or 
below a particular threshold value. The result is a two-color 
image. An 8-bit grayscale image expresses an image in 256 
shades of gray ranging from white to black. A 24-bit color image 
assigns 8 bits to each RGB color channel, expressing each pixel 
in approximately 16.8 million colors.

The relative proportion of light and dark areas. Decreasing 
brightness darkens the overall image; increasing brightness 
lightens it.

In some cases, the range of colors captured by a scanner 
exceeds the range that can be displayed by a particular monitor. 
In addition, the colors displayed for an image on the monitor may 
be slightly different than those output by a printer. Color Matching 
is the process used to make the colors captured by a scanner 
consistent with those shown on a display or printed on a printer.

The degree of difference between the lightest and darkest areas 
of an image. Decreasing contrast lightens the dark areas and 
darkens the light areas; increasing it darkens the dark areas and 
lightens the light areas.

The set of Windows programs you can use to change system, 
hardware, software, and Windows settings.

The action of selecting only part of an image for use. Using the 
Crop button on the ScanGear MF toolbar, a portion of the preview 
image can be selected and only that portion is then re-previewed 
or included in the final scan.