Humanware Prodigi User Manual page 28

your combination is Black on White, negative
contrast will show text and images in White
on Black. This is useful if you wish to reverse
the contrast of a text that contains different
contrasts.
Diamond Edge™ contrast combines the best
of both worlds; it shows Diamond Edge
Text™ in your selected color combination
and images in their original color. This allows
you to magnify text indefinitely without
compromising its quality in the best color
combination for your vision, while viewing
images in their original color on the same
page.
To toggle between the different contrasts,
press and hold the Back button to access the
Settings, scroll down by panning upwards to
select Contrast, and tap to choose a contrast.
Press Back to return to your document or
object.
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