Epson EMP-X3 - Manual (Page 40)

35 List of Functions
Video Signal (Adjustment is only possible when composite video/S-Video signals are being input.)
Sets the video signal format.
With the "Auto" function, image signals are recognized automatically. If interference appears in the projected images or no images appear when
you select "Auto", select the appropriate signal manually.
Resize Sets the aspect ratio g for projected images. s p.21
Reset Resets all adjustment values on the "Signal" menu to their default settings, except "Computer Input", "Computer1 Input", and "Computer2
Input".
If you would like to return all menu items to their default, see "Reset All". s
p.40
Sub-menu Function