Outputting Audio From The Projector - Epson PowerLite Pro G5450WU Operation Manual

Project Screens
Drag and drop an icon in the user's area to the panel you want to project.
To finish projecting, drag and drop the icon from the projection area to
the user's area.
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By right-clicking an icon in the user's area, you can set the projection
position.
When changing the projection position
In the projection area, drag and drop an icon you want to move to the
target position.
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When or are selected, you can change the computer's screen
being projected by switching the icon being projected (the icon in the white
panel) with an icon not being projected (the icon in the black panel).

Outputting Audio from the Projector

You can output the computer's audio from the projector when one
computer is connected to one projector and is projecting in full screen.
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