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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Motorized dish with one position dish.
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<blockquote data-quote="a33" data-source="post: 1143081" data-attributes="member: 332642"><p>I was thinking again about this result, and thought if it might have been too good to be true?</p><p>Frankly, I was expecting 5 seconds or more..</p><p></p><p>So, thinking about it: could it be that the LNB still had some residual power, so that the 'old' Unicable command was still in the memory of the LNB? </p><p>That would have been when another receiver was still connected to the LNB (and feeding it), or when the 'waiting period' in the test was not long enough to simulate a 'clean' LNB restart.</p><p>(I know from german forums, that some (Unicable) LNBs have huge capacitors [that lead to huge inrush currents] .)</p><p></p><p>The way to test this: Absolutely no power from <strong>other</strong> sources (other receivers than the testing receiver) to the LNB, and a <strong>longer</strong> waiting period in the test.</p><p>(Or, instead of the latter: connect the Receiver <strong><em><strong>to the other LNB </strong></em></strong>, which was without power for at least an half hour.)</p><p></p><p></p><p>BTW. If the duration till the repeated Unicable command would be longer: that would also happen with a manual A/B switch, instead of the 0/12V switch. So it would be something to live with. </p><p>While the receiver waits to give its repeat Unicable command, of course you could give a Unicable command by yourself, by switching to another TV channel.</p><p></p><p></p><p>I hope it will work to your satisfaction!</p><p></p><p>Greetz,</p><p>A33</p></blockquote><p></p>
[QUOTE="a33, post: 1143081, member: 332642"] I was thinking again about this result, and thought if it might have been too good to be true? Frankly, I was expecting 5 seconds or more.. So, thinking about it: could it be that the LNB still had some residual power, so that the 'old' Unicable command was still in the memory of the LNB? That would have been when another receiver was still connected to the LNB (and feeding it), or when the 'waiting period' in the test was not long enough to simulate a 'clean' LNB restart. (I know from german forums, that some (Unicable) LNBs have huge capacitors [that lead to huge inrush currents] .) The way to test this: Absolutely no power from [B]other[/B] sources (other receivers than the testing receiver) to the LNB, and a [B]longer[/B] waiting period in the test. (Or, instead of the latter: connect the Receiver [B][I][B]to the other LNB [/B][/I][/B], which was without power for at least an half hour.) BTW. If the duration till the repeated Unicable command would be longer: that would also happen with a manual A/B switch, instead of the 0/12V switch. So it would be something to live with. While the receiver waits to give its repeat Unicable command, of course you could give a Unicable command by yourself, by switching to another TV channel. I hope it will work to your satisfaction! Greetz, A33 [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Motorized dish with one position dish.
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