Correcting Keystone - ViewSonic VS13339VS13340 User Manual

Fine-tuning the image clarity
Sharpen the image by rotating the focus ring.

Correcting keystone

Keystoning refers to the situation where the projected image is noticeably wider at either the
top or bottom. It occurs when the projector is not perpendicular to the screen.
To correct this, besides adjusting the height of the projector, you will need to manually
correct it following one of these steps.
• Using the remote control
Press
display the Keystone correction page. Press
correct keystoning at the top of the image. Press
to correct keystoning at the bottom of the image.
• Using the OSD menu
1. Press MENU/EXIT on the projector or
Menu on the remote control and then press
highlighted.
2. Press
MODE/ENTER on the projector or ENTER
on the remote control. The Keystone
correction page is displayed.
3. Press
the image or press
the bottom of the image.
28 Operation
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/ on the projector or remote control to
DISPLAY
/ until the
to highlight Keystone and press
to correct keystoning at the top of
to correct keystoning at
to
menu is
Press
/ .
Press
/ .