Keystone And Focus - Polaroid VPR450PR001 Manual Del Usuario

4. Keystone and focus

C. If the projected image is in trapezoidal shape, it can be resolved by
Keystone correction.
D. The projected image may be blurry or di cult to see, this is due to lack of
focus adjustment with the lens and keystone correction, follow the
processes below to adjust the focus:
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Turn right/left to adjust
Turn right/left to adjust