RUBY 10 Advanced Features and Functions 49
To enable the Color Blindness Filter, tap the Edit button to the right of the
current setting.
On the Color Blindness Filter screen that displays, select the option that
appears to be a solid gray rectangle. If none appear to be solid gray, then
select No Filter. After selecting one of the four options, tap the Back
button.
The setting under Color Blindness Filter reflects the option that you
selected. The setting is immediately applied.
Visual Properties
To globally change the way images are displayed, tap the screen to display
the on-screen buttons, then go to Main Menu > Visual Properties.
On the Visual Properties screen, you can adjust the contrast, highlight
and smooth edges, and adjust screen brightness. Problems that visual
properties compensate for might include a crinkled or yellowed page,
shadows, ink smears, or book creases.
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