BenQ PB8240, PB8250 user manual Digital Keystone Correction, For example

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 3 Left/ Right 4 (hot key) on the control panel of the projec-

tor to display the status bar labelled Keystone. Press Right 4to correct

keystoning at the top of the image. Press 3 Left to correct keystoning at the bottom of the image.

2.Press 3 Keystone/ Keystone 4 on the remote control to display the

status bar labelled Keystone. Press Keystone 4 to correct keystoning at the top of the image. Press 3 Keystone to correct keystoning at the bottom of the image.

3.Press Menu key on the projector or the remote control. Go to Display --> Keystone

and adjust the values by pressing 3 Left/ Right 4 on the projector or 3 Keystone/ Key- stone 4 on the remote control.

For example,

		1. Press Right 4on the projector or
		2. Press Keystone 4on the remote control
		or
		3. Press 4 Right on the projector or
		Keystone4 on the remote control when you
Keystone		are in Display --> Keystone menu.
	0		Keystone
		1.	Press 3 Left on the projector or
		2.	Press 3 Keystone on the remote control
		or
		3.	Press 3 Left on the projector or 3 Key-
		stone on the remote control when you are in
		Picture --> Keystone menu.

+16

Keystone 0 Keystone

-16

20 Operation