InFocus XS1 - Manual (Page 18)

Connection 18
The final connection path should be like that shown in the following diagram:
In the unlikely event that you connect the projector to a DVD player via the projector’s DVI-D
input and the projected picture displays wrong colors, please change the color space to YUV.
See
"Changing Color Space" on page 28 for details.
DVI-D or
DVI-I cable Audio
cable
AV device