The LV-7490 supports a maximum resolution of 1920 x 1080 (HD 1080). That's over six times the resolution of the most common supported graphics resolutions of 640 x 480 (VGA) (which is also supported by this projector). In addition, this data projector support supported graphics resolutionss of 720 x 480 and 720 x 576 and 1280 x 720 (HD 720). Across all 2000:1 contrast ratio data projectors that were launched more than two years ago the worst resolution is 640 x 480 (VGA) and the best is 1920 x 1200 (WUXGA).
What does "supported graphics resolutions" mean?