Guide for Windows

CONTENTS

INDEX

Glossary

Acquired Images

Images sent from your scanner software to the host graphics application.

ADF

Automatic Document Feeder, an optional attachment that lets your scanner

perform continuous scanning of documents.

Automatic Tone Adjustment

Automatic analysis and adjustment of the image using Contrast/Brightness

and Gamma settings.

Bits and Bit Depth

A bit (BInary digiT) is the smallest possible unit of information on a computer;

it represents yes or no; on or off; 1 or 0. Bit Depth is used to describe the

complexity of a graphic image.

One-bit, or bilevel, images are black and white. This is the Black and White

setting in ScanGear CS-S.

Grayscale (8-bit)

Expresses a dot in 256 shades of gray between white and black.

Grayscale (12-bit)

Expresses a dot in 4,096 shades of gray between white and black.

Color (24-bit)

Expresses a dot with 8 bits for each primary color for a total of 24 bits (8 bits x

3 colors=24 bits). A dot can be expressed in up to 16.8 million distinct

shades(256

=16.8 million)

High Quality Color (36-bit)

Expresses a dot with 12 bits for each primary color, red, green, and blue

(RGB), for a total of 36 bits (12 bits x 3 colors =36 bits). A dot can be ex-

pressed in up to 68.7 billion distinct shades (4,096

=68.7 billion)

Black-point

The darkest portion of an image scanned as Color or Grayscale. When you

click on the image with the Black-point eyedropper, all tones darker than the

selected sample tone are adjusted to black. See also Mid-point Eyedropper,

White-point Eyedropper.