Optoma HD70 Manual page 19

User Controls
Letter-Box Enable the viewing of the letterboxed
non-anamorphically enhanced movie at
full screen width. Part of the original im-
age will be lost if the image aspect ratio
is less than 1.78:1.
4:3 Scale the image at a 4:3 aspect ratio.
H. Keystone Adjust image distortion horizontally and
makes a squarer image.
/
V. Keystone Adjust image distortion vertically and
makes a squarer image.
/
Four Direc-
Use
tional Select adjustments to your selection.
Keys
Enter Confirm your item selection.
to select items or make
English
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