How to solve “Out of range” when connecting PC/laptop to a projector?

Please refer to this FAQ.

How to Install an All-in-One Interactive Projector like PS750W

Please refer to the video in YouTube as below link. https://www.youtube.com/watch?v=OPZ-25Q-BAk

How do I connect external speaker(s) to my projector?

1.Wired connection:   1.1 via 3.5mm audio out:       If the projector is equipped with a 3.5 mm audio out mini jack, usually it is  green and marked as          Audio Out. Please connect a 3.5 mm audio cable between speaker and projector for audio output        purpose.     1.2 via S/PDIF:        If the model is equipped with S/PDIF por...

Why Can't I Power Off the Projector via its Remote Control?

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.