I need to go from a dish box ( vip 722k DVR ) to a second tv that doesn't have HDMI. I have one HDMI output of the box to my smart TV in the living room. Do I need to get an HDMI adapter that plugs into the dish TV box that has 2 outputs in which one will be going to my smart TV in the living room. And how do I convert the other HDMI output on the adapter to go to a second tv which does not have an HDMI port on it. I have all kinds of different RCA cables to use for the second tv. I basically need to run an HDMI signal from the dish TV box output thru the coaxial cable going to my second tv that does not have an HDMI input. I know this can be done fairly easy but I just need a little feed back. A big thanx in advance