...Instead, HDMI-CEC Tray makes use of your HDTV's built-in CEC technology to control your PC. You will be able to control Mediacenter, VLC, MPC-HC, MediaPortal or XBMC as well as Powerpoint, to name a few.
With HDMI-CEC Tray, you can navigate your HTPC menus, play and pause music, or fast-forward movies using only the TV remote. It's even possible to make the TV power on and switch to the right HDMI input automatically every time your HTPC starts.