Manual Epson expression 1680 pro (page 59 of 147) (English)

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Understanding EPSON TWAIN Pro Features 2-39

Exposure

The Exposure setting lightens or darkens an image. You can select

from -10 (darkest) to 20 (brightest) by moving the slider.

The Exposure and Highlight settings are related. When the

Exposure setting is changed, the Highlight value also changes

automatically.

Gamma

The Gamma setting allows you to adjust the mid-tones in an

image. You can select from 0.5 (darkest) to 5.0 (brightest) by

moving the slider.

For further information on using the Gamma setting to optimize

scanning, see “Making the Gamma setting” on page 1-5.

Highlight

The Highlight setting allows you to adjust the brightness level of

the brightest parts of an image. You can select from 61 to 490 by

moving the slider.

Click the eyedropper button beneath the slider, and the mouse

pointer changes to an eyedropper. Move the eyedropper over the

previewed image, and click a bright area. The eyedropper “picks

up” the color from that area, and uses it as the highlight for the

entire image. Click Cancel to restore the original image.

For further information on using the Highlight setting to optimize

scanning, see “Making the Highlight setting” on page 1-2.

Shadow

The Shadow setting allows you to adjust the darkness level of the

darkest parts of an image. You can select from 0 to 60 by moving

the slider.

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Epson expression 1680 pro Manual

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