To locate the maximum or native resolution for a projector, there are a few places this can be found. We highly recommend using the native resolution for LCD displays as this will provide the clearest possible image from the device. Check the product page for your model on the Viewsonic website and you will see the native resolution displaye...
Make sure that you have set it to its native resolution. Check the user guide to determine what the native resolution of the display is and set it to the native resolution if the video source that is being used can support it. Digital signals (HDMI, DisplayPort) normally produce sharper images. If you are using a VGA or analog signal try to s...
Open the projector Menu and go to System Setting: Basic> Projector Position and choose one of the four available options: Front Table Rear Table Ceiling Front Ceiling
Or browse to your projector model in the Projector Accessories section of the ViewSonic Store. If a Long Throw lens is available for your projector, it will be listed on the online store. Note: A Long Throw Lens is not available for all ViewSonic projectors. To check availability, or to purchase a long throw lens, please contact ViewSonic...
Please refer to user guide on page "Important Safety Instructions". Some projectors may be claimed to use at a limited angle dependent on the light source, such as lamp or LED.