You can register the digital certificates on the projector to provide security for your presentation files.

You can also register the digital certificates in the projector's Network menu. However, be sure to register just once or the certificate may not install correctly.
Network >
Network Settings >
Projector Control
>
Secure HTTP >
Web Server
Certificate
Make sure your digital certificate file is compatible with projector registration.
Make sure the projector is turned on.
Start your Web browser on a computer or device connected to the network.
Go to the Epson Web Control screen by entering the projector's IP address into the browser's address box.
Select Advanced.

You may need to log in before the Advanced screen is displayed. If you see a log in window, enter your user name and password. (The user name is EPSONWEB. No password is set by default. If no Web Control Password has been set, a browser error screen is displayed. Set the password in the Network Settings menu.)
You can change the password in the projector's Network menu.
Network >
Network Settings >
Web Control Password
Select
to open the menus, select
Network, and select
Certificate.

Select the certificate file you want to register.
Enter the password in the Password box, and then click Send.
When you finish registering the certificate, click Apply to finalize your changes and complete the registration.