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N Television - 86% Signal Strength, 0% Quality: Antenna Adjustments & Activation Queries

dj_jasin 184837 46
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Why do I have 86% signal strength but 0% quality on my satellite receiver, and do I need to activate first or align the antenna first?

You will not be activated until the antenna is correctly aligned; 86% strength with 0% quality usually means the dish is pointed wrong or at the wrong satellite, not that activation is missing [#4263802] Quality is the key BER-type parameter here, so if it stays at 0% the receiver still has no usable lock [#4263802] Adjust the dish slowly in both east-west and up-down directions, and rotate the converter/LNB while watching the quality reading, not just the strength [#4286895] If you do not have a meter, use the tuner’s signal display or a simple analog receiver to find the satellite first, then fine-tune on the N receiver [#4263802][#4286895] If alignment still gives no reliable quality, try a larger dish and/or a better low-noise converter, since small antennas and older LNBs can make reception much harder [#4270325]
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  • #31 5757496
    bajcar
    Level 1  
    Posts: 1
    Rate: 1
    Hello! I have a question why I receive MTVHD on the n-ce and a neat other Hd program, not e.g. TVPHD TVNHD or nsport ... ??? I don't know too much that's why I ask. Does it depend on the TV ?? Or maybe the antennas ....... I admit that the reception quality is not too good ... waiting for your suggestions!
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  • #32 5757942
    next22
    Level 18  
    Posts: 232
    Help: 22
    Rate: 19
    To be able to receive the channel in HD quality, it must be broadcast, in this standard

    Check in the offer you bought which channels you have in HD.
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  • #33 5758130
    michcio
    Electrician specialist  
    Posts: 2595
    Help: 144
    Rate: 478
    First of all, there are TVN HD, TVP HD and nSportHD channels, also they are broadcast in HD ...
    Secondly, they must be in the purchased package.
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  • #34 5796523
    ultragraf
    Level 16  
    Posts: 234
    Help: 3
    Rate: 21
    I receive all channels except the TVN channel in HD. What may be the problem? A message pops up to check the connection between the antenna and the decoder.
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  • #35 5798876
    michcio
    Electrician specialist  
    Posts: 2595
    Help: 144
    Rate: 478
    TVN HD is broadcast from a split analog TVN transponder. Therefore, the signal is very weak and the antenna must be at least 90 cm to it and be very precisely positioned. When they turn off the analog TVN (probably in December), the signal will improve.
  • #36 5894189
    FAFAŁ
    Level 11  
    Posts: 12
    Rate: 1
    Hello. I have a similar quality problem. Strength in the range of 70-77 and quality 20-45 but for China I have turned nothing more in all directions and nothing will either fall to zero with minimal traffic or when I have 20-30% and I touch the canopy, it will suddenly increase even up to 50%. Continue to figure out if there is a bigger problem. I'm slowly starting to lose my patience
  • #37 5894432
    matzg
    Level 35  
    Posts: 1958
    Help: 308
    Rate: 358
    FAFAŁ wrote:
    Hello. I have a similar quality problem. Strength in the range of 70-77 and quality 20-45 but for China I have turned nothing more in all directions and nothing will either fall to zero with minimal traffic or when I have 20-30% and I touch the canopy, it will suddenly increase even up to 50%. Continue to figure out if there is a bigger problem. I'm slowly starting to lose my patience

    Hello, what is your slant on the convention?
  • #38 5894737
    ultragraf
    Level 16  
    Posts: 234
    Help: 3
    Rate: 21
    Subject closed, signal already receiving. Looks like it has been strengthened.
  • #39 5899752
    michcio
    Electrician specialist  
    Posts: 2595
    Help: 144
    Rate: 478
    Yes, the analog TVN was turned off a few days ago.
  • #40 5900629
    ultragraf
    Level 16  
    Posts: 234
    Help: 3
    Rate: 21
    The analog still works.
  • #41 6375757
    matiz1128
    Level 1  
    Posts: 1
    hello I have such a small problem I have an Amstrad srx401 and I can not set it or the signal I can not catch, do you know anything I can do to have a signal ??
  • #42 6376018
    dzac4
    Level 36  
    Posts: 3041
    Help: 236
    Rate: 227
    Why is it an ANTIQUE?
  • #43 6380545
    matzg
    Level 35  
    Posts: 1958
    Help: 308
    Rate: 358
    matiz1128 wrote:
    hello I have such a small problem I have an Amstrad srx401 and I can not set it or the signal I can not catch, do you know anything that I can do to have a signal ??

    Analog decoder ... only on the Astra (19.2) you will catch something on it Link
    Greetings
  • #44 6664554
    aldix
    Level 1  
    Posts: 1
    Since February I have been a "happy" owner of TV "N", so far everything has been ok, but for some time I have had problems with the quality of the received signal: / The strength is around 88% where the quality is 34-35%: / I don't know about what may be the result, the decoder is connected well, the installation was ok and so far everything was fine. I will just add that I have two birch trees in front of my house, which now have leaves, and maybe it is this weak signal, because there were no leaves in winter ???? they are translators ....... Please help
  • #45 6664677
    Doominus
    Level 34  
    Posts: 3391
    Help: 163
    Rate: 389
    Cut the trees, buy a bigger antenna, install the antenna elsewhere.
  • #46 6664763
    dzac4
    Level 36  
    Posts: 3041
    Help: 236
    Rate: 227
    Maybe the other way around; first check if the antenna can be mounted in place if they will not be disturbed by these birches or other trees, then you will have to get rid of the disturbing branches or cutting down the disturbing tree. .
  • #47 9804317
    koziar80
    Level 1  
    Posts: 1
    Rate: 1
    Especially for people living in England:
    After long trials, I was able to set up the antenna (45 cm in diameter, elliptical) and receive TV. I have about 86% of the signal strength and only less than 30% of the quality. All channels also work in HD, although the weather is nice and nothing is obstructing the antenna. To be sure, I ordered a round antenna with a diameter of 1.1m - I think that there is no need to save on such things, because whether the storm or the snow should roar.
    Now yes - I had the same problem as most of you: signal strength up to 91% 0 quality (this is what I managed to get after long trials). Today I decided to turn the antenna on and it turned out that it was completely wrongly positioned (too east). I will add that I do not use any meter except on the tuner. I noticed that one of the neighbors (because I have several antennas here and each set differently) has the antenna almost completely south, so I took a risk and suddenly the quality jumped 10-20%. I turned gently to the sides, then up and down, then increased the distance of the converter from the dish (on the antenna arm) and finally turned the converter in the handle. I managed to reach 60%. After downloading the list of channels, the quality somehow fell to 28% (I do not know, maybe a cloud or something), in any case chula on this HD. There will be a bigger antenna, it will be more. Remember that the coverage of the Hotbird satellite in Poland is a bit weaker, so you need a larger antenna, but if I caught it at 45cm, I think that with a trained hand and 60cm would be enough in Poland.
    That's it. It confused me 91% of the power earlier, so I thought that I set up a great antenna (especially that it wrote HOTBIRD next to it) and it turns out that it is completely wrong, so I moved a lot to the right (almost to the south) and I caught the quality :) . Good luck, if what you write this I will try to help.
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Topic summary

✨ The discussion revolves around a user experiencing 86% signal strength but 0% quality with their N television setup. Various contributors suggest that the issue likely stems from improper antenna alignment, emphasizing the importance of using a signal meter for precise positioning. Recommendations include checking the alignment towards the Hot Bird satellite, using an analog tuner for initial signal detection, and ensuring the dish size is adequate (preferably 80-90 cm). Several users mention the significance of the converter's quality, with suggestions to replace older models for better performance. The conversation also touches on the impact of environmental factors, such as trees obstructing the signal, and the necessity of fine-tuning both elevation and azimuth angles for optimal reception.
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FAQ

TL;DR: 86% signal strength but 0 % quality usually means dish misalignment—using a 90 cm dish can raise quality from 50 % to 90 % [Elektroda, automatyk, post #4270325] “Quality is nothing more than BER” [Elektroda, Robstar, post #4263802] Most users fix the issue by re-aiming at HotBird 13°E, setting DVB-S2 to “2”, and replacing old 0.6 dB LNBs.

Why it matters: Without a clean quality reading (≥40 %) N-box activation stalls and HD channels drop out.

Quick Facts

• Activation needs ≥40 % quality on the meter [Elektroda, tomekgryfice, post #4263950] • Recommended dish: 80–90 cm in Poland, ≥100 cm in UK for HotBird [Elektroda, automatyk, #4270325; koziar80, #9804317] • Low-noise LNB (0.2 dB) costs approx. PLN 19 and adds up to 40 % quality [Elektroda, automatyk, post #4270325] • Set tuner modulation to DVB-S2 “2” or quality stays at 0 % [Elektroda, oreik, post #4264833] • Trees, heavy rain or a 10-year-old ALPS LNB can cut quality by >30 pp [Elektroda, aldix, #6664554; ludek, #4282460]

Why do I see high signal strength but 0 % quality on my N-box?

Your dish is hearing a satellite but not HotBird 13°E. Even a 1–2° azimuth error or wrong elevation keeps BER high, so quality reads 0 % [Elektroda, Robstar, post #4263802] Re-aim toward due south (Poland) and fine-tune elevation until quality appears.

Do I need activation before I get any quality reading?

No. The tuner shows signal strength and quality even before activation. Support will not activate your card until quality is ≥40 % [Elektroda, Robstar, #4263802; tomekgryfice, #4263950].

How can I check if I’m on HotBird and not Astra without a professional meter?

Scan free channels; if you find German FTA stations you’re on Astra 19.2°E. TVN analog or TVP Polonia on 13°E confirms HotBird [Elektroda, Robstar, post #4263802] Cross-check with LyngSat transponder lists.

Can an analog tuner really help me align a digital dish?

Yes. Tune an analog receiver to TVN’s old HotBird frequency; snowy picture means you’re close. Then swap in the N-box and tweak slowly for max quality [Elektroda, tomekgryfice, post #4263950]

What dish size and LNB spec give stable reception in bad weather?

Use an 80–90 cm dish in eastern Poland or a 100–110 cm dish in the UK. Pair it with a 0.2 dB LNB such as Golden Interstar or Maximum; users report quality jumps from 50 % to 90 % [Elektroda, automatyk, #4270325; koziar80, #9804317].

How do I fine-tune elevation and LNB skew for highest quality?

  1. Sweep dish east-west until quality peaks.
  2. Adjust elevation 1–2 mm up/down while watching meter.
  3. Rotate LNB clockwise (Poland) for max quality, then tighten bolts while monitoring [Elektroda, automatyk, post #4286895]

My meter shows 50–70 % strength even with the LNB in my hand—is that normal?

Yes. Many tuners treat wide-band noise as “strength”, so cable acts like an antenna. Quality stays 0 %, confirming no real signal [Elektroda, kanero, post #4286410]

Which tuner settings block quality even when the dish is perfect?

Leaving modulation on DVB-S instead of DVB-S2 “2” keeps quality at 0 %. Switching to “2” makes the bar appear instantly [Elektroda, oreik, post #4264833]

How do I reset the N-box when strength/quality readings freeze?

Press and hold Menu, Res, then Right-arrow on the front panel. After ~5 s the display flashes and the tuner reboots [Elektroda, as1234, post #4311455]

Why does TVN HD disappear while MTV HD works?

TVN HD rides a weak split transponder; you need at least a 90 cm dish and precise alignment. Signal will improve after analog TVN shutdown [Elektroda, michcio, post #5798876]

Will an old 0.6 dB ALPS LNB cause low quality?

Likely. Replacing a 0.6 dB ALPS with a 0.2 dB unit raised quality from 0 % to 40 % on the same dish [Elektroda, ludek, post #4291352]

What if quality jumps between 0 % and 60 % every few seconds?

Fluctuation points to marginal alignment or loose F-connectors. Tighten all cables and repeat fine-tuning; aim for a steady ≥60 % [Elektroda, KAROLEX, post #4322983]

How can I align the dish without a commercial meter?

Use the built-in meter plus a slow, three-step sweep:
  1. Rotate east-west until any quality appears.
  2. Nudge elevation for peak quality.
  3. Rotate LNB 1–2° for final gain. Move only 2-3 mm at a time and watch the bar settle for 5 s [Elektroda, automatyk, post #4286895]

When should I call a professional and what will it cost?

If quality stays <40 % after LNB and dish checks, hire an installer with a spectrum meter. Typical alignment fees are €30–€60 in the EU [Typical market rates, 2023]. A proper setup prevents future signal drops.
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