Correcting keystone – BenQ TH683 User Manual
Page 31

Operation
31
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.
You may correct this in ONE of these ways.
• Using the remote control
Press KEYSTONE to display the Keystone window.
• Using the projector
Press ▲/
or ▼/
to display the Keystone window.
•
While the Auto Vertical Keystone is
On
• Presss▲/▼key to disable Auto Vertical
Keystone
•
While the Auto Vertical Keystone is
Off
• Press OK for 2 seconds to enable Auto
Vertical Keystone
• Press BACK for 2 seconds to reset the
Vertical Keystone value
•
To correct keystoning at the top of the
image, use
▼
/
.
•
To correct keystoning at the bottom of
the image, use
▲
/
.
When done, press BACK to save your
changes and exit.
Press
▲/
.
Press
▼
/
.
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