BenQ MS531 User Manual page 29

Fine-tuning the image size and clarity
1. Adjust the projected image to the size
that you need using the zoom ring.
2. Then 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 remot e control
Press /
control to display the Keystone correction page.
Press to correct keystoning at the top of
the image. Press
the bottom of the image.
• Using the OSD menu
1. Press MENU and then press
the DISPLAY menu is highlighted.
2. Press to highlight Keystone and press
OK. The Keystone correction page
displays.
3. Press
top of the image or press
keystoning at the bottom of the image.
on the projector or remote
to correct keystoning at
to correct keystoning at the
/ until
Press
to correct
Press
/ .
Operation 29
/ .