ViewSonic PJ678 - Image Adjustment Controls; Zoom and Focus Ring Operation

17ViewSonic PJ678
Focus ring
Zoom ring
Adjusting the Projector Zoom and Focus
1. Focus the image by rotating the focus ring. A still image is recommended for
focusing.
2. Adjust the image by rotating the zoom ring. Rotate to the right to reduce the
image.
Rotate to the left to enlarge the image.