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Thanks a lot,I assume this 'sky pass' costs money? does this give you the ability to use the remote to change in one other room from the main box or more than one other room? I was quite happy saving the extra money every month to sky and just having control in one room but watch a static sky channel in every other room. If there's a cheap way of getting more rooms 'remote-able I would consider it depending on cost.
Unfortunately i don't have the knowledge to understand the rest of your answer but it looks like I need two tv leads going round the house one for sky one for digital, and have a double tv socket in each room, both connecting to different inputs? Is that right? in the tvs will I be able to plug both sources in? I have to buy all new tv's for these rooms will they come as standard?