Tone Curve And Histogram Palette; Using Tone Curves - Minolta DiMAGE Scan Dual III AF-2840 Instruction Manual

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IMAGE SCAN DUAL III UTILITY

Tone curve and histogram palette

Click the tone-curve/histogram button to display the palette.
Input shadow, gamma, and highlight sliders (p. 76)
Output shadow and highlight sliders (p. 76)

Using tone curves

Click the arrow next to the channel-list box to select the
channel from the drop-down menu.
To make adjustments to the color balance of the image,
select the appropriate color channel. To adjust the con-
trast or brightness of the image without affecting the
color, select the RGB channel.
The tone curves can be displayed with keyboard short-
cuts. While holding the control key (Windows) or com-
mand key (Macintosh), press 0 (zero) to display the RGB
channel, 1 to display the red channel, 2 to display the
green channel, or 3 to display the blue channel
72
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Color-histogram button (p. 77)
Channel list box (p. 72)
Tone curve
Freehand curve button (p. 73)
Smooth curve button (p. 73)
White, gray, and black-point buttons (p. 78)
Apply button (p. 78)
Histogram
Input shadow, gamma, and highlight text boxes (p. 76)
Output shadow and highlight text boxes (p. 76)
Reset button
Auto-setting button (p. 77)
IMAGE PROCESSING