To optimize your SPUD image, pay special attention to the three factors impact the quality of the SPUD image the most: source resolution, projector focus, and ambient light.
- Resolution setting - SPUD has a native resolution of 1280x720. Ensuring that the HDMI input signal is already 1280x720 will prevent any additional image processing (up-scaling or down-scaling) and give you the best image quality. The video below shows how to set the SPUD resolution in Windows 10.
Other operating systems have similar options. If you use MacOS for example, see the instructions for setting the resolution of a connected display here: Apple Support
- Projector focus - Each SPUD projector is calibrated by hand, and the calibration steps may move the ideal focal point to an off-center location. The video below demonstrates how to locate the ideal focal point and focus the entire SPUD image.
- Direct light - As with any projector, bright external light will interfere with the light from the projector. For best results, avoid using SPUD in brightly lit environments, especially lights that shine directly on the SPUD screen.
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