ViewSonic PJD7383 Projector User Manual


 
Operation56
Make sure the projector is displaying the same image as the computer’s main or
built-in monitor (don’t extend your desktop into multiple monitors.)
3. If the battery light does not turn on when the pen is being charged, try one of the
following:
Make sure a USB cable is connected between the pen and your computer. And
your computer is powered on.