HP Scanjet 7450c HP Scanjet 7400C Series Scanner Mac - (English) User Manual - Page 118

p, functionality. The HP PrecisionScan Pro Installer adds a Photoshop

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118 original The original document or picture to be scanned. output The file that is generated by the scanning process. output dimensions The actual height and width of an image when saved. You will not see the size changes to your image in the Preview area since image size affects only the final scan. output type The type of file that is generated during the scanning process. Output type reveals the bit depth of the image. p palette A subset of the color look-up table that establishes the colors that can be displayed on the monitor at a particular time. The only color depth that allows multiple palettes is the 256 (or 8-bit) color setting for your monitor. At a color depth of 256 colors, each program (or even each individual image used or edited in a program) can have a different color palette. palette flashing The flashing that occurs when your monitor is set to a color depth of 256 colors and you switch programs. When you switch programs, the palette of the active program becomes the system palette, and all other programs redraw themselves as accurately as possible with the new colors. Back to TOC PDF Portable Document Format (PDF) format. Adobe Acrobat files use this format. PICT Apple's proprietary image file format that is used by the Macintosh operating system. Designed for the screen, this format is best used for color images that will not be printed. Images saved as PICT files are smaller in size than images saved as a TIFF files. pixel The smallest element (picture element) that can be assigned an independent color and intensity and can be displayed on a computer screen. Pixels are square dots arranged in a grid pattern to make up the images displayed on the screen. plug-in A module that integrates into a program to provide additional functionality. The HP PrecisionScan Pro Installer adds a Photoshop plug-in (the HP ScanJet Plug-in) for image editor and OCR programs, which allows you to scan text and images from within these programs. PNG Portable network graphics format. A compressed image file format suitable for the Web that might replace GIF because of copyright issues with GIF format. PNG is non-lossy compressed, supports interlacing, and can be used with the True Color output type, which GIF cannot. pop-up menu (or list) A menu of items that appears when you click on or pass the cursor over a command.

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118
Back to TOC
original
The original document or picture to be scanned.
output
The file that is generated by the scanning process.
output dimensions
The actual height and width of an image when saved. You will not see
the size changes to your image in the Preview area since image size
affects only the final scan.
output type
The type of file that is generated during the scanning process. Output
type reveals the bit depth of the image.
p
palette
A subset of the color look-up table that establishes the colors that can
be displayed on the monitor at a particular time. The only color depth
that allows multiple palettes is the 256 (or 8-bit) color setting for your
monitor. At a color depth of 256 colors, each program (or even each
individual image used or edited in a program) can have a different
color palette.
palette flashing
The flashing that occurs when your monitor is set to a color depth of
256 colors and you switch programs. When you switch programs, the
palette of the active program becomes the system palette, and all other
programs redraw themselves as accurately as possible with the new
colors.
PDF
Portable Document Format (PDF) format. Adobe Acrobat files use this
format.
PICT
Apple's proprietary image file format that is used by the Macintosh
operating system. Designed for the screen, this format is best used for
color images that will not be printed. Images saved as PICT files are
smaller in size than images saved as a TIFF files.
pixel
The smallest element (pic
ture el
ement) that can be assigned an
independent color and intensity and can be displayed on a computer
screen. Pixels are square dots arranged in a grid pattern to make up
the images displayed on the screen.
plug-in
A module that integrates into a program to provide additional
functionality. The HP PrecisionScan Pro Installer adds a Photoshop
plug-in (the HP ScanJet Plug-in) for image editor and OCR programs,
which allows you to scan text and images from within these programs.
PNG
Portable network graphics format. A compressed image file format
suitable for the Web that might replace GIF because of copyright
issues with GIF format. PNG is non-lossy compressed, supports
interlacing, and can be used with the True Color output type, which
GIF cannot.
pop-up menu (or list)
A menu of items that appears when you click on or pass the cursor
over a command.