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Just thinking out loud.... Would anyone be able to give any advice on this, Im looking to set up a very basic replay system, one input. There are a handful of chase play systems for mega dollars, but there must be a simple solution, I have been thinking about the possibility of using a Coax Sat/Cable box with live pause and rewind etc.. Very common and cheap, comes with HDD and all that, If i could somehow get a cdmi/sdi signal to feed into the unit as a vhf/uhf signal it should work??? IS there a cost effective way to convert HDMI/SDI to Coax UHF/VHF in HD?? Not looking for anything wireless just coax converter, Surely the cable box would be able to pick up the signal?? With this, I would feed the HDMI output of the Cable box into the mixer, Throw a upstream keyer logo "REPLAY" or similar over the onscreen pause rewind graphics if there are any and this should all work.... Or am i missing something?? Any advice would be much appreciated