I have 2 R10 dvrs and 1 HD receiver. Currently I am only using 1 of the inputs on one of the R10s and I would like to take advantage of using both. My understanding is that in order to do this I would need a multiswitch, correct? I have a triple lnb dish with built in multiswitch (4 outputs). The multiswitch would be located inside about 15-20 feet from the dish but further from the receivers. What would be the best type (powered, non-powered, etc) of multiswitch to use in this situation and does anyone have any recommendations on specific multiswitches. I do not want to mess anything up, especially the HD. Thanks for any help.