Epson EasyMP EMP-7850 Guide De Mise En Route page 73

Transmitting Encrypted Data
4
This displays the Extension screen. Select "Use encrypted
communication", and then click the "OK" button.
5
Select the name of the projector that you want to connect, and then click
the "Connect" button.
A network connection is established between the computer and projector, and
the computer screens are projected by the projector. Data transmitted between
the computer and projector is encrypted.
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