HP 7400C Series Uživatelský manuál stáhnout pdf (Strana 114)

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final scan

The actual image, defined by the selection area, that is sent to a

destination such as a file, a printer, the Clipboard, or another program.

final size

The approximate height and width of the final image to be scanned.

flowed text

The Flowed Text option converts output into one column, placing

images as closely as possible to the appropriate text.

framed text

The Framed Text option places text and images in a frame, positioned

as closely as possible to the way they appear in the original document.

Text may be more difficult to edit extensively since the frames may not

expand to hold additional text.

focus

Refers to the sharpness of an image.

front panel

The area on the front of the scanner hardware containing the buttons

for sending an item to a destination or changing settings.

gamma

The contrast that affects the mid-level grays or midtones of an image.

Adjusting the gamma of an image allows you to change the brightness

values of the middle range of gray tones without dramatically altering

the shadows and highlights. This applies to both black-and-white

images and color images. The default setting of 2.2 ensures integrity

among computer systems.

grainy

Refers to images, pictures, or photographs in which individual pixels

are relatively large and have areas of white between them, thus

reducing the overall perceived quality of the image. Graininess can

occur when you scan a poor-quality original or reduce the bit depth of

the scanned image by dithering or halftoning.

Graphics Interchange Format (GIF)

A graphic file format that is supported by many programs. Files saved

in this format support 256 colors.

grayscale

An original or output type containing shades of gray, not just black and

white. In a grayscale image, each pixel contains multiple bits of

information, allowing more shades of gray to be recorded and

displayed. Four bits can reproduce up to 16 levels of gray, and eight

bits can reproduce 256 shades of gray. Grayscale is commonly used

for black-and-white original photographs but is also effective in

maintaining shading in pencil drawings.

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