For this operation, I strongly recommend checking the available tutorials and guides posted on the Internet. I've already narrowed down a list of tutorials and guides that you can check to boot the box. You can visit it using the following link.
Also, from what I know, these boxes are actually pretty straightforward meaning that you connect all the cables, the HDMI one as well and then turn it on and the configuration setup will start, and MCBS Champion 4000 HD is no different at all.
