HP Scanjet 7450c HP Scanjet 7400C Series Scanner Windows - (English) User Manu - Page 115

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Back to TOC Abbreviated ADF, it is an optional accessory that allows users to scan multiple pages. A feature of the scanning software that automatically applies the optimal output resolution to the selection area. For example, output resolution is automatically set to 200 when the True Color output type is selected, and set to 300 for the Black & White Bitmap (raster) output type. The number of bits used to define the shade or color of each pixel in an image. A 1-bit image is black and white. An 8-bit grayscale image provides 256 shades of gray. An 8-bit color image provides 256 indexed colors and is associated with a specific palette or color table. A 24-bit image provides over 16 million colors. The greater the bit depth, the larger the size of the saved file. See also file size. A type of black-and-white, gray, or color image or picture made up of a matrix of individual pixels or dots. Often referred to as raster, raster bitmap, or raster image. Black-and-white raster bitmaps contain only black pixels and white pixels, no colors or shades of gray. Each pixel represents one bit. 115 Black-and-white scalable images are black-and-white images made up of lines rather than dots. These images must be saved as .wmf files. The Black & White Threshold tool lets you change the dividing point for black-and-white pixels in an image that uses the Black & White Bitmap (raster) output type. All pixels below the threshold will be output as black, and all pixels above the threshold will be output as white. A line surrounding the scanned image indicating scanning boundaries. Clicking the image reveals a selection border and handles that are used to define the scanning region. The balance of light (highlights) and dark (shadows) in an image. In black-and-white images, the lower the brightness, the closer the image will be to black. The higher the brightness, the closer the image will be to white. Brightness should not be confused with contrast, which measures the range between the darkest and lightest shades in an image. Brightness determines the intensity of shades in an image, while contrast determines the number of shades in the image. To press and release the left mouse button once. Right-click means to press and release the right mouse button once.

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Back to TOC
115
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Abbreviated ADF, it is an optional accessory that allows users to scan
multiple pages.
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A feature of the scanning software that automatically applies the
optimal output resolution to the selection area. For example, output
resolution is automatically set to 200 when the True Color output type
is selected, and set to 300 for the Black & White Bitmap (raster) output
type.
E
ELW±GHSWK
The number of bits used to define the shade or color of each pixel in an
image. A 1-bit image is black and white. An 8-bit grayscale image
provides 256 shades of gray. An 8-bit color image provides 256
indexed colors and is associated with a specific palette or color table. A
24-bit image provides over 16 million colors. The greater the bit depth,
the larger the size of the saved file.
See also
file size.
ELWPDS
A type of black-and-white, gray, or color image or picture made up of a
matrix of individual pixels or dots. Often referred to as raster, raster
bitmap, or raster image.
EODFN²DQG²ZKLWH±ELWPDS
Black-and-white raster bitmaps contain only black pixels and white
pixels, no colors or shades of gray. Each pixel represents one bit.
EODFN²DQG²ZKLWH±VFDODEOH
Black-and-white scalable images are black-and-white images made up
of lines rather than dots. These images must be saved as .wmf files.
%ODFN±µ±:KLWH±7KUHVKROG±WRRO
The Black & White Threshold tool lets you change the dividing point for
black-and-white pixels in an image that uses the Black & White Bitmap
(raster) output type. All pixels below the threshold will be output as
black, and all pixels above the threshold will be output as white.
ERUGHU
A line surrounding the scanned image indicating scanning boundaries.
Clicking the image reveals a selection border and handles that are
used to define the scanning region.
EULJKWQHVV
The balance of light (highlights) and dark (shadows) in an image. In
black-and-white images, the lower the brightness, the closer the image
will be to black. The higher the brightness, the closer the image will be
to white. Brightness should not be confused with contrast, which
measures the range between the darkest and lightest shades in an
image. Brightness determines the intensity of shades in an image,
while contrast determines the number of shades in the image.
F
FOLFN
To press and release the
left
mouse button once.
Right
-click means to
press and release the
right
mouse button once.