BenQ PB8250 - Manual (Page 25)

Operation 19
Digital Keystone Correction
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 follow-
ing ONE of these steps.
1. Press  Lef Left/ Rig Right  (hot key)
on the control panel of the projec-
tor to display the status bar labelled
Keystone. Press Rig
Right to correct
keystoning at the top of the image.
Press
 Le Left to correct keystoning
at the bottom of the image.
2. Press  Ke Keystone/ Ke Keystone 
on the remote control to display the
status bar labelled Keystone. Press
Ke
Keystone  to correct keystoning
at the top of the image. Press 
Ke Keystone to correct keystoning at
the bottom of the image.
3. Press Me Menu key on the projector or the remote control. Go to Di Display --> Ke Keystone
and adjust the values by pressing  Left Left/ Rig Right  on the projector or  Ke Keystone/ Ke Key-
stone  on the remote control.
For example,
0 Keystone -16 Keystone
0 Keystone +16 Keystone
1. Press Right  on the projector or
2. Press Keystone  on the remote control
or
3. Press  Right on the projector or
Keystone  on the remote control when you
are in Display --> Keystone menu.
1. Press  Left on the projector or
2. Press  Keystone on the remote control
or
3. Press
 Left on the projector or  Key-
stone on the remote control when you are in
Picture --> Keystone menu.