Direct Tv H20 With Myth TV HELP

[jyoung58]

I have been reading the forums and havent found much info on this. I am a noob to mythtv! i currently use DIrect Tv H20 HD rec, I am in the process of building my lmce system and was wondering what the best setup is for using this box with my lmce? I am looking just to integrate this in so i dont have to change sources on my tv to use my direct tv reciever. Thanks for your help