you connected the projector to a computer using a Computer or BNC
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.
If you want to output images to an external monitor when the
projector is turned off, you need to select Communication On for the Standby Mode setting and Always On for the A/V
Output setting in the projector's Extended menu.
that use a refresh rate less than 60 Hz may not be able to display