Microtek ScanMaker E3 SCSI Manuel d'utilisateur télécharger pdf (Page 72)

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Reference: The Preview Window

InvertOriginal

To use this feature:

Choose the Invert command in the Preferences menu. A

check appears next to the command when it is enabled.

Invert

This command creates a negative of an image. The Invert

effect is applied to the whole preview image; it cannot be

used for only a specific portion of the image.

When an image is inverted, the brightness value of each pixel

is converted to the inverse value on the 256-step color values

scale. For example, a pixel in a positive image with a value of

255 is changed to 0, and a pixel with a value of 5 is changed

to 250.

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Microtek ScanMaker E3 SCSI Manuel d'utilisateur Page 72