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What changes do I make when switching to an HD tv?

Question asked by erinbillsy on Nov 13, 2013
Latest reply on Nov 13, 2013 by shaw-matt

So, I have 3 digital boxes- regular, with 3 regular tvs- all non HD. I need to buy 1 new tv and of course now days they are all HD. So i know I need to exchange one of my old boxes for a new HD box for the new HD tv. Will this at all affect any of the other tv's? I basically mean, do I need to change my current channel package? or do i need different channels on the HD tv? I appologize if this sounds stupid. I would appreciate any help! Thank you!