ViewSonic Pro8510L User Manual page 35

Correcting keystone
Keystoning refers to the situation where the projected image becomes a trapezoid due to
angled projection.
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
1. Press /
correction page.
2. Press to correct keystoning at the top of
the image. Press
the bottom of the image. Press
keystoning at the right side of the image.
Press to correct keystoning at the left side
of the image.
• Using the OSD menu
1. Open the OSD menu and go to the
DISPLAY >
2. Press Enter.
3. Press to correct keystoning at the top of the image or press
keystoning at the bottom of the image. Press
of the image. Press
The projector can automatically correct vertical keystone. To do this, open the OSD menu
DISPLAY >
and go to the
Adjusting 4 corners
You can manually adjusts the shape and size of an image that is unevenly rectangular on all
sides.
1. To display the Corner Adj. page, you can do
one of the followings:
i. Press Enter.
ii. Open the OSD menu and go to the
DISPLAY >
press Enter. The Corner Adj. page is
displayed.
2. Press / /
wish to adjust and press Enter.
/ / to display the Keystone
to correct keystoning at
to correct
Keystone > Manual menu.
to correct keystoning at the left side of the image.
Keystone > Auto V Keystone and press
Corner Adj. menu and
/ to select the corner you
30
/
Press
/
Press Press
to correct
to correct keystoning at the right side
/ to select On.
A long press for 2 seconds on
Enter when this page displays
will reset the settings on all 4
corners.
/
Press
/