Viewsonic Pro7827HD Manual De Usuario
28
Fine-tuning the image clarity
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
/
/ / to display the Keystone
correction page.
2.
Press
to correct keystoning at the top of
the image. Press
to correct keystoning at
the bottom of the image. Press to correct
keystoning at the right side of the image.
Press to correct keystoning at the left side
of the image.
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 >
Keystone menu.
2.
Press Enter. The Keystone correction page is displayed.
3.
Highlight Vertical and press
to correct keystoning at the top of the image or press
to correct keystoning at the bottom of the image.
4.
You can also highlight Horizontal and press to correct keystoning at the right side
of the image. Press to correct keystoning at the left side of the image.
of the image. Press to correct keystoning at the left side of the image.
1.
Adjust the projected image to the size
that you need using the zoom ring.
that you need using the zoom ring.
2.
If necessary, sharpen the image by rotating
the focus ring.
the focus ring.
Press
/
Press
/
Press
/
Press
/