Instructions
Remove the Kinect from your Xbox if it's connected.
Plug the USB cable attached to the Xbox Live Vision Camera into an open USB port on the front of the Xbox console.
Press the guide button and then navigate to "Settings." Click "System" and then choose "Xbox Live Vision."
Move the lens on the camera right and left to focus the image displayed on the screen until it's clear.
Join a game in "UNO." Your camera will be displayed and other players' cameras will be displayed as well.