Optoma HD72 User Manual page 19

DVI-D Press "DVI-D" to choose Digital Signal
source from DVI-I connector.
DVI-A
Press "DVI-A" to choose Analog Signal
source from DVI-I connector.
HDMI Press "HDMI" to choose source from HDMI
connector.
YPbPr Press "YPbPr" to choose Component video
source.
Video
Press "Video" to choose Composite video
source.
S-Video
Press "S-Video" to choose S-video source.
User Controls
19