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<blockquote data-quote="mm1352000" data-source="post: 1135966" data-attributes="member: 82144"><p>Hello again Marcell</p><p></p><p></p><p>No problem. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Before I say anything more...</p><p>When I say "card" I mean a DuoFlex (which has 2 tuners); when I say "tuner", I mean one of the 2 tuners on a DuoFlex card.</p><p></p><p></p><p>AFAIK all of this is correct/fine.</p><p></p><p></p><p>Actually I would have said you're getting signal to all 4 tuners.</p><p>The top connector is the female one. It is the signal input <em>for both tuners on the DuoFlex card</em>.</p><p>The bottom connector is the male one. It is a signal/loop output, like a built-in splitter.</p><p></p><p>It is absolutely okay to use the male connector to connect the second card. However, note that the signal strength/quality on some/all tuners will be reduced, same as with any splitter. You need to ensure that your incoming signal strength/quality is sufficient to allow splitting in this way (ie. an amplifier may be required).</p><p></p><p>Also note that <em>the male connector <strong>may</strong> not be active when the tuners on the card are idle</em>. In other words, the tuners on the second card (connected with the "bridge") <em>may </em>not receive signal unless one/both of the tuners on the first card are active.</p><p></p><p></p><p>Definitely not.</p><p>You only need to connect the female connectors on each card, and it is okay to use the bridge to connect the second card. However (like I said above), you need to make sure that the cable coming to your PC has sufficient signal strength/quality.</p><p></p><p>Do you have another splitter somewhere in your house? ...for example, a splitter that enables you to connect a TV as well as your PC.</p><p></p><p></p><p>Hmmmm. If I were you, I would...</p><p></p><p>1. Ensure that you haven't received a card with bad tuner(s).</p><p>Temporarily disconnect the second DuoFlex card (completely remove it), and test the first card:</p><ul> <li data-xf-list-type="ul">each tuner independently<ul> <li data-xf-list-type="ul">only 1 tuner timeshifting/recording at any time</li> <li data-xf-list-type="ul">other tuner disabled</li> </ul></li> <li data-xf-list-type="ul">both tuners together<ul> <li data-xf-list-type="ul">both tuners timeshifting/recording channels from different frequencies at the same time</li> </ul></li> </ul><p>Remember that you only need to connect the female connector to supply signal to both tuners on the card.</p><p>Repeat this same process for the second DuoFlex (with the first DuoFlex removed).</p><p></p><p>If one tuner gives discontinuities then perhaps your signal strength/quality is not good enough to share between the 4 tuners. Try to add an amplifier or remove other splitters [temporarily] and see if it improves the situation.</p><p></p><p>If one tuner does not work at all (no signal on all frequencies), it <em>may</em> be a bad tuner/card... and in this case you should contact DD for a replacement under warranty.</p><p></p><p></p><p>2. Find out which tuner is on each card.</p><p>Assuming both tuners on both DuoFlex cards are okay, connect both cards again.</p><p>Don't forget the power connector on each card.</p><p>Don't connect the signal to the second card (ie. don't use the bridge).</p><p>Ensure preloading is <strong>disabled</strong> for all tuners (...and don't enable it for any of the other tests either).</p><p></p><p>You should be able to confirm that 2 tuners - the tuners on the DuoFlex that has signal - are working, and the other 2 tuners always get "no signal".</p><p>After this, restart the TV service, swap the cable to the second card, and check that the 2 tuners that were working now get "no signal" and the 2 tuners that were <em>not</em> working now work fine.</p><p></p><p>Now it should be clear whether tuner 1 and 2 are the first DuoFlex or the second DuoFlex.</p><p></p><p></p><p>3. Test the adequacy of the signal strength/quality.</p><p>Connect the "bridge" again (so that all four tuners should have signal), and restart the TV service.</p><p></p><p>Using manual control (so you can monitor signal strength/quality and discontinuities)...</p><p>Try to start timeshifting a channel with the first tuner on the DuoFlex that <strong>is</strong> connected with the "bridge".</p><p>Try to start timeshifting a channel on a different frequency with the second tuner on the DuoFlex that <strong>is</strong> connected with the "bridge".</p><p></p><p>If either of these fail with "no signal" or give discontinuities, I would suspect that either:</p><ul> <li data-xf-list-type="ul">signal strength/quality is not sufficient for splitting to the 4 tuners; try adding an amplifier or removing other splitters in your house and see if it helps</li> <li data-xf-list-type="ul">the signal is not provided to the second card (the "bridged" one) unless one or both tuners on the first card are active</li> </ul><p>To eliminate the second possibility, restart the TV service again and...</p><p>Try to start timeshifting a channel with the first tuner on the DuoFlex that <strong>is <em>not </em></strong>connected with the "bridge".</p><p>Try to start timeshifting a channel on a different frequency with the second tuner on the DuoFlex that <strong>is </strong><em><strong>not</strong> </em>connected with the "bridge".</p><p>(I expect everything to be working okay so far...)</p><p>Try to start timeshifting a channel on a third frequency with the first tuner on the DuoFlex that <strong>is </strong>connected with the "bridge".</p><p>Try to start timeshifting a channel on a fourth frequency with the second tuner on the DuoFlex that <strong>is</strong> connected with the "bridge".</p><p></p><p>If everything is working, we could guess that one/both of the tuners on the first DuoFlex need to be active before signal is supplied to the "bridged" DuoFlex. In this case, I recommend to preload and prioritise the tuners on the first DuoFlex so that the tuners on the "bridged" DuoFlex will work when required.</p><p></p><p></p><p>One thing I haven't yet talked about is the CI/CAM.</p><p>It is possible that discontinuities when more than one tuner are active could be due to hitting the limits of the CAM's decryption capabilities. I don't know about the PID/channel limits with the Alphacrypt Classic. For that reason, if possible I recommend to test with non-encrypted (free) channels and CAM removed.</p><p></p><p>Sorry for the length, but I hope it helps... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>mm</p></blockquote><p></p>
[QUOTE="mm1352000, post: 1135966, member: 82144"] Hello again Marcell No problem. :) Before I say anything more... When I say "card" I mean a DuoFlex (which has 2 tuners); when I say "tuner", I mean one of the 2 tuners on a DuoFlex card. AFAIK all of this is correct/fine. Actually I would have said you're getting signal to all 4 tuners. The top connector is the female one. It is the signal input [I]for both tuners on the DuoFlex card[/I]. The bottom connector is the male one. It is a signal/loop output, like a built-in splitter. It is absolutely okay to use the male connector to connect the second card. However, note that the signal strength/quality on some/all tuners will be reduced, same as with any splitter. You need to ensure that your incoming signal strength/quality is sufficient to allow splitting in this way (ie. an amplifier may be required). Also note that [I]the male connector [B]may[/B] not be active when the tuners on the card are idle[/I]. In other words, the tuners on the second card (connected with the "bridge") [I]may [/I]not receive signal unless one/both of the tuners on the first card are active. Definitely not. You only need to connect the female connectors on each card, and it is okay to use the bridge to connect the second card. However (like I said above), you need to make sure that the cable coming to your PC has sufficient signal strength/quality. Do you have another splitter somewhere in your house? ...for example, a splitter that enables you to connect a TV as well as your PC. Hmmmm. If I were you, I would... 1. Ensure that you haven't received a card with bad tuner(s). Temporarily disconnect the second DuoFlex card (completely remove it), and test the first card: [LIST] [*]each tuner independently [LIST] [*]only 1 tuner timeshifting/recording at any time [*]other tuner disabled [/LIST] [*]both tuners together [LIST] [*]both tuners timeshifting/recording channels from different frequencies at the same time [/LIST] [/LIST] Remember that you only need to connect the female connector to supply signal to both tuners on the card. Repeat this same process for the second DuoFlex (with the first DuoFlex removed). If one tuner gives discontinuities then perhaps your signal strength/quality is not good enough to share between the 4 tuners. Try to add an amplifier or remove other splitters [temporarily] and see if it improves the situation. If one tuner does not work at all (no signal on all frequencies), it [I]may[/I] be a bad tuner/card... and in this case you should contact DD for a replacement under warranty. 2. Find out which tuner is on each card. Assuming both tuners on both DuoFlex cards are okay, connect both cards again. Don't forget the power connector on each card. Don't connect the signal to the second card (ie. don't use the bridge). Ensure preloading is [B]disabled[/B] for all tuners (...and don't enable it for any of the other tests either). You should be able to confirm that 2 tuners - the tuners on the DuoFlex that has signal - are working, and the other 2 tuners always get "no signal". After this, restart the TV service, swap the cable to the second card, and check that the 2 tuners that were working now get "no signal" and the 2 tuners that were [I]not[/I] working now work fine. Now it should be clear whether tuner 1 and 2 are the first DuoFlex or the second DuoFlex. 3. Test the adequacy of the signal strength/quality. Connect the "bridge" again (so that all four tuners should have signal), and restart the TV service. Using manual control (so you can monitor signal strength/quality and discontinuities)... Try to start timeshifting a channel with the first tuner on the DuoFlex that [B]is[/B] connected with the "bridge". Try to start timeshifting a channel on a different frequency with the second tuner on the DuoFlex that [B]is[/B] connected with the "bridge". If either of these fail with "no signal" or give discontinuities, I would suspect that either: [LIST] [*]signal strength/quality is not sufficient for splitting to the 4 tuners; try adding an amplifier or removing other splitters in your house and see if it helps [*]the signal is not provided to the second card (the "bridged" one) unless one or both tuners on the first card are active [/LIST] To eliminate the second possibility, restart the TV service again and... Try to start timeshifting a channel with the first tuner on the DuoFlex that [B]is [I]not [/I][/B]connected with the "bridge". Try to start timeshifting a channel on a different frequency with the second tuner on the DuoFlex that [B]is [/B][I][B]not[/B] [/I]connected with the "bridge". (I expect everything to be working okay so far...) Try to start timeshifting a channel on a third frequency with the first tuner on the DuoFlex that [B]is [/B]connected with the "bridge". Try to start timeshifting a channel on a fourth frequency with the second tuner on the DuoFlex that [B]is[/B] connected with the "bridge". If everything is working, we could guess that one/both of the tuners on the first DuoFlex need to be active before signal is supplied to the "bridged" DuoFlex. In this case, I recommend to preload and prioritise the tuners on the first DuoFlex so that the tuners on the "bridged" DuoFlex will work when required. One thing I haven't yet talked about is the CI/CAM. It is possible that discontinuities when more than one tuner are active could be due to hitting the limits of the CAM's decryption capabilities. I don't know about the PID/channel limits with the Alphacrypt Classic. For that reason, if possible I recommend to test with non-encrypted (free) channels and CAM removed. Sorry for the length, but I hope it helps... :) mm [/QUOTE]
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