Usually this is related to unmatched output resolution setting and content. For example, setting 720P resolution output to a 4K projector or playing a 720P video on a 4K projector in full screen would cause pixelated. Please make sure to set recommended resolution by referring to this FAQ.
Please refer to the video in YouTube as below link. https://www.youtube.com/watch?v=OPZ-25Q-BAk
For Models: PA/PG/PX Series “Power On” and “Power Off” are separated as two (2) different buttons on the remote control. This is different from the PJD series.
Projectors may shut off for a couple different reasons. If the projector over heats, check to see if there is enough ventilation for air to be circulated around the unit. Make sure fans are running and that there is no obstruction. Let it cool, clear obstructions and check fans when turning the unit back on. After market lamps may cause a...