Correcting Keystone - BenQ MX852UST+ User Manual

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Auto-adjusting the image
In some cases, you may need to optimize the picture quality. To do this, press
AUTO on the projector or remote control. Within 3 seconds, the built-in
Intelligent Auto Adjustment function will re-adjust the values of Frequency
and Clock to provide the best picture quality.
The current source information will be displayed in the upper left corner of
the screen for 3 seconds.
• The screen will be blank while AUTO is functioning.
• This function is only available when PC signal (analog RGB) is selected.
Fine-tuning the image size and 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 can use
Auto Keystone or Keystone manually correct it following one of these
steps.
• Using the remote control
Press
/
remote control to display the Keystone
correction page. Press
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 and then press ◄/► until the
highlighted.
2.
Press ▼ to highlight Keystone and press MODE/ENTER. The
Keystone correction page displays.
3.
Press
correct keystoning at the bottom of the image.
30
Operation
on the projector or
to correct
to correct keystoning at the top of the image or press
Press
/ .
Display
Press
/ .
menu is
to

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