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Thread: Unicable and dropped recordings

  1. #16
    twol's Avatar
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    Quote Originally Posted by Arcy View Post
    Hmm... I thought you were about to suggest connecting Tuner A to tuners C, E and G, and Tuner B to tuners D, F and H -- on the basis that successive tuning selections or recordings claim the next available virtual tuner, and that choosing them alternately them might relieve any timing-related problems. So I'd like to try this too -- and I'd also like to try the Maclean LNB in Unicable 1 mode (available on the bottom eight user bands). But to do so I'll need to edit the Unicable settings for this LNB -- and unfortunately I can't now find the file formerly known as unicable.xml . I imagine that its contents have been merged into something else in the latest OpenVIX releases. But I looked at /etc/enigma/settings , which seemed the most likely place, and there's no sign of them there.

    Incidentally, in upgrading to the latest OpenVIX today, I noticed that the tuner setting "SCR (Unicable/JESS) type" does not restore itself correctly from a VIX settings backup. It defaults to Switch rather than to LNB, and consequently picks up the first switch in its list, which is an Ankaro. So if you don't happen to have an Ankaro switch, it's necessary to change this setting manually on each FBC tuner.
    /usr/share/enigma2 -------> unicable.xml
    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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  3. #17

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    So far, I've got Tuners A, B, C and D operating in Unicable 1 mode, on User Bands 5 to 8, in the expectation that Unicable 1 is less complex and probably less troublesome. I did this by adding a second instance of my LNB to the unicable.xml file, with the JESS statement and the top eight SCRs deleted. (User Bands 1 to 4 are still being used by my SAT>IP box.)

    Like this, I can start recordings on all eight User Bands (see attached screen-grab, which also includes a recording running on Tuner I, an ordinary LNB). Oddly, the tuners haven't kept to strict alphabetical order. I haven't seen this happen before, and I wonder whether the system jumped tuners because it thought they were busy, but returned to them later.

    However, switching from a channel on Tuner I to a channel on the FBC takes eight or nine seconds. The "Tuner failed" message appears briefly a second or two before this interval ends. Switching the other way again takes just two or three seconds. On the SAT>IP receiver, selecting a channel takes a couple of seconds.

    It looks as if the FBC tuners are getting bogged down in some negotiation which really ought not to take that long.
    Attached Images Attached Images
    GigaBlue UHD Quad 4K (Unicable + multiswitch DiSEqC 1.1/1.0 system); Octagon SF4008; Vu+ Solo4K; Edision OS mio 4K; Inverto Multibox SAT>IP; Wavefrontier toroidal dish

  4. #18
    Huevos's Avatar
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    No idea why there is a delay. Never seen that on my FBC setup. Are you using the SEC plugin?
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  5. #19

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    Quote Originally Posted by Huevos View Post
    No idea why there is a delay. Never seen that on my FBC setup. Are you using the SEC plugin?
    Yes, I am. The only SEC setting I've altered is "Delay after enable voltage before switch command", which I've increased to 0800, as recommended. I've tried increasing it further, but it only delays the appearance of the "Tuner failed" message (the selected channel normally appears a second or two after that). That's why I wondered whether signalling and timings might also be behind the problem I've had when the start of a timer recording sometimes kills another timer recording that's already in progress.
    GigaBlue UHD Quad 4K (Unicable + multiswitch DiSEqC 1.1/1.0 system); Octagon SF4008; Vu+ Solo4K; Edision OS mio 4K; Inverto Multibox SAT>IP; Wavefrontier toroidal dish

  6. #20
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    Increase that delay to 2500. This is for test purposes.
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  7. #21
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    Increase that delay to 2500. This is for test purposes.

    Here I am using the Vu+ Ultimo 4K for testing and don't see any of your problems regarding tuning failed messages... but the Ultimo keeps the LNB permanently powered.
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  8. #22
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    As per bug report and other thread, even 9900 does not solve problem

  9. #23

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    Quote Originally Posted by Huevos View Post
    Increase that delay to 2500. This is for test purposes.

    Here I am using the Vu+ Ultimo 4K for testing and don't see any of your problems regarding tuning failed messages... but the Ultimo keeps the LNB permanently powered.
    The GigaBlue doesn't, and neither does my Inverto SAT>IP, which is fed via a splitter from the same LNB (it uses different SCRs).

    Increasing that setting doesn't seem to make much difference, except possibly to make channel changes slightly slower. Switching between channels or even transponders on the same satellite normally happens almost instantly. But switching from a radio station on 28.2E to a radio station on another satellite takes 2-3 seconds. Switching from another satellite back to 28.2 takes about 7 seconds for radio, a little more for TV, and in either case I always see the 'Tune failed' message before the 28.2E channel appears. The only case I've found where switching to a different satellite produces 'Tune failed' occurs when switching to BFBS radio on 19.2E. This is odd. There may be other examples, of course.

    So I'm wondering whether this receiver is just a bit buggy. I made several unsuccessful attempts this morning to reproduce the problem where a timer recording just starting kills a recording already in progress. But when I tried switching between BBC Radio (28.2E) and BFBS (19.2E) while a recording was in progress on BBC Radio 4, the receiver wouldn't play that or any other channel on the BBC transponder. It could nevertheless play radio channels on other 28.2E transponders, but only after a 7-8 second wait. Only the first three minutes of the recording were saved.

    In another condition, which I've seen before, the TV picture blinks momentarily at irregular intervals. When this happens, I can no longer select from the channel list and many of the other keys on the remote control do not respond either. I can still change channels with the CH up/down buttons, but the blinking continues. To clear the problem, I reboot the receiver via the web interface.
    GigaBlue UHD Quad 4K (Unicable + multiswitch DiSEqC 1.1/1.0 system); Octagon SF4008; Vu+ Solo4K; Edision OS mio 4K; Inverto Multibox SAT>IP; Wavefrontier toroidal dish

  10. #24
    twol's Avatar
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    Can you just try a simple setup without any plugins and the LNB set to normal mode as per post #14.......

    On my Giga‘s I have 3 Sat dishes coming into the FBC tuners plus a plugin DVB-s2x tuner - and I don‘t get any of these issues and certainly no delays between switching - and the FBC tuner on this box is the same as the Vu+ and to the best of my memory (it was a long time ago now) power to the LNB is the same for both Vu+ & Giga (initially there were options in tuner setup to turn on/off power to the LNB)
    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

  11. #25

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    I've the same delay problem as per thread https://www.world-of-satellite.com/s...29-Tune-Failed which occurs when switching from motor to unicable.

  12. #26
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    "Delay after enable voltage before switch command" -> "Unicable delay after enable voltage before switch command"
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  13. #27
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    Quote Originally Posted by redrobin View Post
    I've the same delay problem as per thread https://www.world-of-satellite.com/s...29-Tune-Failed which occurs when switching from motor to unicable.
    Which receiver, which LNB, tuner config??
    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

  14. #28

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    Quote Originally Posted by twol View Post
    Which receiver, which LNB, tuner config??
    Gigablue Ultra UE 4K - GT-Sat GT-dLNB1DY Unicable LNB, not at my receiver at the moment, but off the top of my head A is Unicable, B-H are linked to A, and I is my motor.
    Gigablue Ultra UE 4K - GT-Sat GT-dLNB1DY Unicable LNB

  15. #29
    twol's Avatar
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    Quote Originally Posted by redrobin View Post
    Gigablue Ultra UE 4K - GT-Sat GT-dLNB1DY Unicable LNB, not at my receiver at the moment, but off the top of my head A is Unicable, B-H are linked to A, and I is my motor.
    When you have a chance, just for my sanity! Disable B and see what happens
    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

  16. #30
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    Quote Originally Posted by redrobin View Post
    I've the same delay problem as per thread https://www.world-of-satellite.com/s...29-Tune-Failed which occurs when switching from motor to unicable.
    "Delay after enable voltage before switch command" -> "Unicable delay after enable voltage before switch command"
    Last edited by Huevos; 28-01-20 at 16:05.
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