Anti-aliasing
smooths the jagged edges of type and bitmap images by softening the
color transition between edge pixels and background pixels. Since
only the edge pixels change, no detail is lost.
From the Adjust View Settings menu, choose the view setting
for which you want to turn on anti-aliasing.
You can enable or disable anti-aliasing for each of the
view settings. For example, you can enable anti-aliasing for High
Quality view and disable it for Fast view.