Optoma EX400 - Manual (Page 30)

30
English
User Controls
Color Space
Select an appropriate color matrix type from AUTO, RGB,
RGB(0-255)
(*) ,RGB(16-235) (*) or YUV.
Input Source
Use this option to enable / disable input sources. Press to enter
the sub menu and select which sources you require. Press “Enter”
to finalize the selection. The projector will not search for inputs that
are not selected.
 (*) For HDMI only.