Canon CanoScan FS4000US User Manual page 120

Driver software
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Appendices
Preview Area
The right side of the FilmGet FS main window, which is used to display preview images. Click the
[Preview] button to initiate a preview scan of the film. Note that the image displayed in the preview
area has not yet been acquired by the application program from which FilmGet FS was started.
Resolution
The density of dots that comprise an image. The fineness or coarseness of an image is expressed as
the number of dots per inch (dpi). See also "dpi."
RGB
1
The acronym for the primary colors of light: red, green and blue. The scanner passes light through
the film, which is then detected by red, green and blue sensors. Most color printers, on the other
hand, use the complementary colors to RGB, namely cyan, magenta, yellow and black (CMYK) to
express colors. Cyan, magenta and yellow are also called the primary colors of color.
Scanner Self Test
A function that tests the scanner for malfunctions. Click the [Device] menu and select [Self Test...]
2
to start the scanner self test and receive a report of any scanner problems detected.
Selector Tool
The tool used to select a portion of the image for scanning. In the FilmGet FS main window, the
selector tool can be used to select a particular area of a preview image for final scanning.
Slider
3
A device on many settings tabs for adjusting settings values. Drag the slider tab left or right to adjust
the value.
Threshold
The brightness value at which a dot or pixel is assigned a black or white color in an image scanned
in black and white mode. Raising the threshold value makes the image darker, and lowering it makes
the image brighter.
4
Thumbnail Scan
All the frames of the film loaded into the scanner are scanned at low resolution and displayed as
thumbnail (small) images in the thumbnail window. These images displayed in the thumbnail window
are then selected (frame selection) for previewing in the main window or final scanning.
Toolbar
5
The toolbars located on the left side of the preview area and at the top of the thumbnail window
contain the set of tools used to rotate and flip images.
118
FilmGet FS User's Guide

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