Epson 7850p - Manual (Page 150)

150 Managing Projectors
The following table explains the functions of the control buttons:
Control buttons
Turns the projector on
Turns the projector off
Changes the video signal to the Computer port
Changes the video signal to the BNC ports
Changes the video signal to the S-Video port
Changes the video signal to the Video port
Changes the video signal to the DVI port
Switches the display to EasyMP