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Thread: Symbol Rate Cap for DUO4K SE

  1. #1
    Aust-VAST's Avatar
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    Symbol Rate Cap for DUO4K SE

    Hi all,

    We are considering a VU+ DUO4K SE to access Optus D1 here in Australia.

    The question is the feeds we want have a symbol rate of 47,300, multistream, 16 APSK, in clear.

    Am I correct in assuming the VU+ would have no difficulty with this service?

    If so, bye bye VAST (expensive CAM controlled FTA television).

    Thanks.
    Last edited by Aust-VAST; 15-11-20 at 08:00.
    --

    "corporate greed and chemicals are killin' the land" Neil Young - Greendale 2004.

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    Quote Originally Posted by Aust-VAST View Post
    Hi all,

    We are considering a VU+ DUO4K SE to access Optus D1 here in Australia.

    The question is the feeds we want have a symbol rate of 47,300, multistream, 16 APSK, in clear.

    Am I correct in assuming the VU+ would have no difficulty with this service?

    If so, bye bye VAST (expensive CAM controlled FTA television).

    Thanks.
    Talk to Evo he has the box - but be very clear about your multistream requirements e.g. do you need a receiver with a Multi Stream T2MI Tuner? In which case its probably Edision/Octagon
    Gigablue Quad 4K & UE 4K
    .........FBC Tuners:
    ------------------> DUR-Line DCR 5-1-8-L4 Multiswitch to 1.5M dish(28.2E)
    ------------------> Spaun SUS 5581/33 NFA Multiswitch to 80 cm dish(19.2E)
    .......................> FBC & DVB-S2X into 90cm dish (27.5W) Opticum robust Unicable LNB
    AX HD61, Edision Osmio 4K+, Zgemma H9Combo, Octagon SF8008 , gbtrio4k, h9se using Legacy ports on multiswitches
    Zgemma H9 C/S into Giga4K

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  4. #3
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    Quote Originally Posted by twol View Post
    Talk to Evo he has the box - but be very clear about your multistream requirements e.g. do you need a receiver with a Multi Stream T2MI Tuner? In which case its probably Edision/Octagon
    I can't really help as on wrong side of the world.

    The box certainly has the options for 16apsk and to tune 47,300 SR, but I couldn't confirm if that works or not.


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    I don't think there are any transponders in the Northern hemisphere that have symbol rates that high so there is no way for us to confirm that. You are really better off asking down under what others are using.
    Zgemma H7S running OpenVIX 6.2, Darkmotor, Triax TD110 dish, Inverto Black Ultra dual lnb
    LG 50UM7450 4K TV, Pioneer VSX-534 Atmos AVR , Panasonic UB820 region free 4K Bluray & a PS4.

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    Aust-VAST (16-11-20)

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    'Morning/ evening all,

    Thank you for the valued replies.

    @ ronand; It is difficult to ask anyone here as the few forums have little or no recent traffic.

    The reason I have resumed interest in this service, as technology/ time has moved along and the acquisition of a signal analyser.

    This ******* SK-9000B can resolve the 47,300 multistream without difficulty, even though it is a modest priced test gear and its manual only quotes 45M Symbol Rate.

    Still asking questions before buying.
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    "corporate greed and chemicals are killin' the land" Neil Young - Greendale 2004.

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    DUO4K SE in Australia on OPTUS D1, 3, 10

    Hi all,

    Ok the VU+ SE's have arrived; Impressive !

    No result with OPTUS D1, however as previous I can scan, lock and view all the services' on the two multistream TP's, (or feed that into the HDMI IN of the DUO4K SE).

    I am going to log a bug report with VUPLUS.com and see what happens with the evidence I have on this service.

    Other satellites work normally with default settings if I only have one tuner installed and I will add another message in a few minutes to explain.

    This is how the satfinder tuner copes with locking all the services on D1 in seconds and I reckon over time the DUO4K will too.

    Pre-Tuner-OPTUS-D1-CH0368-TP18-12470MHZ-47301SR.jpg

    In the Signal Finder, randomly lock will occur.

    DUO4KSE-LOCK-SESSION.jpg

    Attached is a crash log when scanning DVB-T.
    Attached Files Attached Files
    --

    "corporate greed and chemicals are killin' the land" Neil Young - Greendale 2004.

  10. #7
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    Ok, today I installed a default VIX 5.4.003 release.

    Without any customisation I began a scan of our VAST Satellites (Optus D3/D10 these are co-sited), Optus D1 and Terrestrial.

    When the DUO4K SE reached the end of the Optus D1 scan a crash log was attached with the interesting (and not surprising) notice that the symbol rate is "out of range" at 47,300 MYsMs !

    ================================================== =======================================

    Optus D1

    1451.8199> 04:17:26.0580 [eDVBChannel] OURSTATE: tuning
    1451.8204> 04:17:26.0585 [eDVBFrontend1] set static current limiting
    1451.8207> 04:17:26.0588 [eDVBFrontend1] invalidate current switch params
    1451.8208> 04:17:26.0589 [eDVBFrontend1] set sequence pos 3
    1451.8208> 04:17:26.0589 [eDVBFrontend1] set sequence pos 3
    1451.8209> 04:17:26.0590 [eDVBFrontend1] update current switch params
    1451.8209> 04:17:26.0590 [eDVBFrontend1] startTuneTimeout 5000
    1451.8209> 04:17:26.0590 [eDVBFrontend1] setFrontend 1
    1451.8209> 04:17:26.0590 [eDVBFrontend1] setting frontend
    1451.8348> 04:17:26.0729 [eDVBFrontend1] fe event: status 0, inversion off, m_tuning 1
    1451.8349> 04:17:26.0730 [eDVBFrontend1] sleep 500ms
    1451.8898> 04:17:26.1279 [eDVBFrontend1] fe event: status 7, inversion off, m_tuning 2
    1452.3351> 04:17:26.5732 [eDVBFrontend1] set dynamic current limiting
    1456.8209> 04:17:31.0590 [eDVBChannel] OURSTATE: failed, fatal
    1456.8210> 04:17:31.0591 [eDVBScan] no channels left: 0 scanned, 28 unavailable, 0 database.
    1456.8247> 04:17:31.0628 [eDVBDB] Renumbering...
    1456.8248> 04:17:31.0629 [eDVBDB] ---- saving lame channel db
    1456.8321> 04:17:31.0702 [eDVBDB] saved 35 channels and 638 services!
    1456.8468> 04:17:31.0849 [eComponentScan] scan done!
    1456.8500> 04:17:31.0881 [eDVBFrontend8] opening frontend
    1456.8502> 04:17:31.0883 [eDVBFrontend8] setVoltage FE_ENABLE_HIGH_LNB_VOLTAGE 0 FE_SET_VOLTAGE 2
    1456.8523> 04:17:31.0904 [eDVBChannel] getDemux cap=00
    1456.8523> 04:17:31.0904 [eDVBResourceManager] allocate demux cap=00
    1456.8523> 04:17:31.0904 [eDVBResourceManager] allocating demux adapter=0, demux=0, source=1 fesource=8
    1456.8523> 04:17:31.0904 [eDVBDemux] open demux /dev/dvb/adapter0/demux0
    1456.8524> 04:17:31.0905 [eDVBFrontend8] tune
    1456.8526> 04:17:31.0907 [eDVBFrontend8] tune setting type to 2 from 0
    1456.8526> 04:17:31.0907 [eDVBChannel] OURSTATE: tuning
    1456.8556> 04:17:31.0937 PC: b63e1354
    1456.8556> 04:17:31.0937 Fault Address: 87a95f8b
    1456.8556> 04:17:31.0937 Error Code:: 2566
    1456.8559> 04:17:31.0940 Backtrace:
    1456.8560> 04:17:31.0941 /usr/bin/enigma2(_Z17handleFatalSignaliP9siginfo_tPv) [0x81108]
    1456.8561> 04:17:31.0942 /lib/libc.so.6(__default_rt_sa_restorer) [0xB61728F0]
    1456.8561> 04:17:31.0942 -------FATAL SIGNAL (11)

    ================================================== =======================================

    <4>[ 1351.768368] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1356.769724] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1361.770962] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1366.787707] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1371.775097] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1376.775902] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1381.901443] FE tune fe_handle=d5a74400
    <4>[ 1384.126468] FE tune fe_handle=d5a74400
    <4>[ 1386.343447] FE tune fe_handle=d5a74400
    <4>[ 1388.580752] FE tune fe_handle=d5a74400
    <4>[ 1390.806633] FE tune fe_handle=d5a74400
    <4>[ 1391.779330] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1396.780496] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1401.782685] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1406.783416] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1411.784567] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)
    <4>[ 1416.785714] BRCM brcm_dvb0: DVB: adapter 0 frontend 0 symbol rate 47300000 out of range (1000000..45000000)

    Optus D1
    ================================================== =======================================

    What I cannot understand is that the Optus D1 bird has a number of lesser TP's which two other tuners' I have will lock and report a quality signal (not resolved to a video/ audio though), but locked nevertheless.

    The DUO4K SE does not find a single service on the Optus D1 bird at all !

    OPTUS-D1-GENERIC-BOX-TP'S.jpg
    Other tuner !
    Attached Files Attached Files
    --

    "corporate greed and chemicals are killin' the land" Neil Young - Greendale 2004.

  11. #8
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    For terrestrial scanning use TerrestrialScan plugin from the feeds.

    Re: the crashes, you are running the tuner outside the its specification so who knows what sort of junk it is sending back to enigma.

    The tuner itself reports its maximum is 45 MBauds.

    2.jpg

    1.jpg
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