The next step is to observe 3 computer images. These will confirm that the computer input works properly, and will test image quality. On the keypad, press the Computer button to select Computer. Image #1: Focus Test Image 1. Turn off any local light. 2. Turn the zoom ring to make the smallest image. 3. Focus the image so the middle icon is clearly focused. 4. Focus the image on the 4 green squares. 5. After focusing on the green squares on the middle icon, turn the zoom ring to make the largest image, and then repeat the focus tests. Image #2: Color Ramp Project the Color Ramp image.
Verify that all four corner icons have clear resolution Verify that the white space is visible on all 5 bar/line icon areas (between green). Verify that the image focuses through the full zoom range. Verify that the image remains in focus when the Image Shift knob is turned.
Verify there are no missing parts of the ramp. Verify that the bars are not flashing. Verify that the transitions from light to dark are smooth and gradual.