HP Scanjet 7450c HP Scanjet 7400C Series Scanner Mac - (English) User Manual - Page 122

u, v, w, x, scanners, to a computer.

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122 transparency adapter Abbreviated as XPA. An optional accessory used to scan transparencies, negatives, and slides. An XPA connector is plugged into the scanner, and a template is used to position the transparency above the glass. Transparency exposure adjustment A tool in the HP PrecisionScan Pro software for adjusting the Midtones (contrast), Highlights, and Shadows for transparencies, negatives, and other transparent media. true color An image type that is rendered with 24-bits per pixel per color. TWAIN An industry-standard communications protocol for sending instructions to hardware (such as a scanner) and receiving data back from them (such as an image). If you are using a program that supports TWAIN, you can start the HP PrecisionScan Pro software directly from that program. u uniform scaling A method of stretching or shrinking an image proportionately in both the vertical and horizontal directions. USB Universal Serial Bus. An interface for connecting peripherals, such as scanners, to a computer. Back to TOC v vector A type of image that uses algebraic equations to define the various lines and curves of the image. w Web palette A palette or color table containing red, green, and blue pixel colors that is standard for images embedded in Web pages or HTML files. It consists of 216 entries of all combinations of the values 0, 51, 102,153, 204, and 255. width The horizontal dimension of your scan as it is sent to its destination. x XPA See transparency adapter.

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122
Back to TOC
transparency adapter
Abbreviated as XPA. An optional accessory used to scan
transparencies, negatives, and slides. An XPA connector is plugged
into the scanner, and a template is used to position the transparency
above the glass.
Transparency exposure adjustment
A tool in the HP PrecisionScan Pro software for adjusting the Midtones
(contrast), Highlights, and Shadows for transparencies, negatives, and
other transparent media.
true color
An image type that is rendered with 24-bits per pixel per color.
TWAIN
An industry-standard communications protocol for sending instructions
to hardware (such as a scanner) and receiving data back from them
(such as an image). If you are using a program that supports TWAIN,
you can start the HP PrecisionScan Pro software directly from that
program.
u
uniform scaling
A method of stretching or shrinking an image proportionately in both
the vertical and horizontal directions.
USB
Universal Serial Bus. An interface for connecting peripherals, such as
scanners, to a computer.
v
vector
A type of image that uses algebraic equations to define the various
lines and curves of the image.
w
Web palette
A palette or color table containing red, green, and blue pixel colors that
is standard for images embedded in Web pages or HTML files. It
consists of 216 entries of all combinations of the values 0, 51, 102,153,
204, and 255.
width
The horizontal dimension of your scan as it is sent to its destination.
x
XPA
See transparency adapter
.