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Originally Posted by hedgie
Right familiar with cable not so with satellite so bear with me.  .....if you wanted the equivalent PVR functionality to a V+ box you would need a triple LNB and three cables ? Assuming Humax or whoever make a triple tuner box, excluding a connection to the TV. |
The Humax is a dual-tuner box, same as a Sky+ box. It requires two feeds from the dish, so you need a dual-LNB. You can watch one/record one, or record two/watch a previous recording.
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If I understand correctly on a satellite installation the "tuner" is in the LNB and the cable only carries the tuned signal not the full "bandwidth"?
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The LNB is not the tuner, but a satellite tuner needs to be able to control an LNB to tell it whether the station the tuner requires is broadcast with horizontal or vertical polarization.
For a + box to work fully, it has to allow for the possibility that one tuner will want to tune in to a horizontally polarized signal at the same time as the other tuner will want to receive a vertically polarized signal. The only way to ensure this full flexibility is to give each tuner its own LNB (or rather, install multiple LNBs within a single casing, which is what a dual, quad or octo-LNB is).