Epson BrightLink Pro 1470Ui User Manual page 96

You see a screen like this:
1 Power button control
2 Selects the Whiteboard source
3 Selects an HDMI port source
4 Selects a Video port source
5 Selects the USB Display source
6 Selects the network source
7 Selects the Screen Mirroring source
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