50 RUBY 10 Advanced Features and Functions
Brightness
Use the left slider on the screen to control the screen brightness. Move the
slider up to brighten the screen.
Move the slider down to darken the screen.
Contrast
Tap the Contrast button to enable this function and display a slider
beneath the button. Contrast can be adjusted in Live view, Snapshot view,
Image view, or Zone view.
Note: Image quality can vary widely based on ambient lighting conditions
and the document being imaged.
Move the slider up to increase contrast in full color and grayscale. With
high contrast colors, move the slider up for more background color and less
foreground color.
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