You might be having projected image issues related to the set up of the projector.
NOTE: Make sure that you are using the feet or wedge provided for lifting the back of the projector to allow image to project properly onto the screen.
Vista 8
Vista 10
Vista 12
Vista 12 PRO
Vista 12 PRO Calibration steps
1. Level the bottom of the projected image with the top and bottom in view with the projector feet or wedge. ( Not being projected off of the screen on the top or bottom.)
2. On the projector press The menu button
3. Arrow to the right
4. Scroll down to the “ Geometric Correction” and press enter
5. Press enter with the “ Four Corners” selected
6. Press enter to enter the selected corner.
7. Use the arrow keys to move the corner to the edge of the screen. Press enter when done.
8. Use the arrow key to move from corner to corner as you calibrate each one repeating step 7.