Epson EasyMP Network Projection Operation Manual page 34

Set options
Select when you want to output the computer's audio
Output audio from
from the projector. Clear to output audio from the
the projector
computer.
You can reset all adjustment values for Set options to
Restore Defaults
their default settings. However, you can retain settings
for Edit profile and Switch LAN in General
settings.
a
Audio can only be transferred to one projector. Audio cannot be
transferred when connected to multiple projectors.
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