Several ViewSonic projector support both Landscape and Portrait modes.
If your projector supports this feature, you can switch modes by turning the screen as shown in the diagram below.
To change the image on the Windows Desktop, follow instructions below:
- Open the Start menu and click "Control Panel." Click "Adjust Screen Resolution" to view the Screen Resolution section of the Control Panel.
- Click the "Orientation" drop-down menu to lay a list of options: "Landscape," "Portrait," "Landscape(Flipped)" and "Portrait (Flipped)."