you connected a computer to the projector's Computer1
port, you can also connect an
external monitor to the projector. This lets you see your
presentation on the external monitor even when the projected image
is not visible.
To output images to an external VGA monitor, set the
Monitor Out Port setting to
Monitor Out in the projector's
Signal I/O menu.
If you want to output images to an external monitor
when the projector is turned off, you need to select Always On as the A/V Output setting in the projector's Signal
Monitors that use a refresh rate less than 60 Hz may not be able to
display images correctly.