ViewSonic PX748-4K User Guide - Page 48
Silence Mode, Reset Color Settings, ISF Mode
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Menu Option Silence Mode Reset Color Settings ISF Mode (Only for PX728-4K) Description Minimizes the acoustic noise. It is suitable for the need of watching movies that requires an ultra-quiet environment so that you won't be disturbed by the noise of the projector. When this mode is selected, XPR will be off (the projected image will be switched to 1080p resolution automatically). Returns current image settings to the factory preset values. The ISF calibration menu is password protected and only accessible by authorized ISF calibrators. The ISF (Imaging Science Foundation) has developed carefully crafted, industryrecognized standards for optimal video performance and has implemented a training program for technicians and installers to use these standards to obtain optimal picture quality from ISF certified display devices. Accordingly, we recommend that setup and calibration be performed by an ISF certified installation technician. NOTE: • The default password is For more information, go to www.imagingscience.com or contact the dealer or retailer from whom you purchased the projector. 48