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Thread: Diseqc

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    Default Diseqc

    hi i got a new 85 cm dish and have got the necessary equipment to have 2 satellies with 1 dish. now im trying to set it up in dreambox. I have chosen non standard setup and put in lnb0 as optus c1 with diseqc 1.0 and a/a and lnb1 as optus d2 with deseqc 1.0 and a/b. But now my signal quality is down to 50 from 80. Y??!



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    That's basically how i have mine setup except I'm using a 4 way diseqc switch. Just confirm your lnb settings and that you have them correctly entered. I'm assuming you have tried both lnbs individually on the box to make sure they are aligned correctly?

    Leroy

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    i found the problem, had to restart enigma but i have another one now..

    with lnb0 (c1) now theres a strong lock but lnb1 (d2) is at 80 ... i

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    often after doing diseqc and lnb changes you need to do a restart. 80% seems fine to me. What did you have when you tried it individually?

    Leroy

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    most likely, the same.

    so it doesnt matter if there is no lock ?

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    Quote Originally Posted by danepporambo View Post
    most likely, the same.

    so it doesnt matter if there is no lock ?
    It does. It should have signal lock.

    Leroy

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    Default

    You will need to choose a valid transponder to get a lock though. Not all transponders are active.
    What would you do if your server was stolen or failed beyond repair?
    http://www.2000cn.com.au/shadowprotect.html

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    im looking to get 12519 V. So far, the signal is 93 for both the top 2 things. But the ber is 65000! What does that mean?

    I just cant seem to pick up this transponder.

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    Wink Bit Error Rate.

    Quote Originally Posted by danepporambo View Post
    im looking to get 12519 V. So far, the signal is 93 for both the top 2 things. But the ber is 65000! What does that mean?

    I just cant seem to pick up this transponder.
    ttWriteMboxDiv('searchCIO-Midmarket_Definition_Body'); ttWriteMboxContent('searchCIO-Midmarket_Definition_Body'); - In telecommunication transmission, the bit error rate (BER) is the percentage of bits that have errors relative to the total number of bits received in a transmission, usually expressed as ten to a negative power. For example, a transmission might have a BER of 10 to the minus 6, meaning that, out of 1,000,000 bits transmitted, one bit was in error. The BER is an indication of how often a or other data unit has to be retransmitted because of an error. Too high a BER may indicate that a slower data rate would actually improve overall transmission time for a given amount of transmitted data since the BER might be reduced, lowering the number of packets that had to be resent.
    A high BER is fatal to reception.

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    ber = bit error rate
    = lots of errors in signal
    = twist LNB
    or
    align dish
    or
    get bigger dish
    or
    faulty tuner
    or
    any number of reasons

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    Question Symbol Rate?

    Quote Originally Posted by danepporambo View Post
    im looking to get 12519 V. So far, the signal is 93 for both the top 2 things. But the ber is 65000! What does that mean?

    I just cant seem to pick up this transponder.

    I gather it's Optus D2 that you are trying to lock on?
    12519 V and also important Symbol Rate 22500.
    You don't mention this?

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    Default

    Quote Originally Posted by danepporambo View Post
    hi i got a new 85 cm dish and have got the necessary equipment to have 2 satellies with 1 dish. now im trying to set it up in dreambox. I have chosen non standard setup and put in lnb0 as optus c1 with diseqc 1.0 and a/a and lnb1 as optus d2 with deseqc 1.0 and a/b. But now my signal quality is down to 50 from 80. Y??!
    Always note when using a DiSEqC in the system you will nominally get a 3.5dB loss in sig as opposed to having it connected straight into the receiver.

    Never normally a problem, but if you have a marginal sig to begin with, it will only get worse through a DiSEqC or any other inline equipment

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    Also make sure it's backwards compatible. I had a 'diseqc ver 2.0 only' switch which I later found out doesn't like the 500. Had the same problems as you've described.

    I bought a new one that does 1.0, 1.1 and 1.2 and have no probs with 2 LNB's.

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    heres mine mate:



    by the way. it seems wierd. When i go to sat finder in the dreambox help panel, there is no lock and a high very high BER value. But when i look at the actual channel (Star Plus from vision asia in d2) by selecting it from the boquet and pressing ok , it looks as though there is a lock and the BER is 0. Any explanation?!

    How come i get SNR and AGC both above 90 and still no lock ticked for d2?

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    The link doesn't say what version it is, but the one that works for me was bought from Canada on ebay, was cheap and arrived in 6 days.

    Here's his shop...

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    Talking Should have woken up sooner.

    Quote Originally Posted by danepporambo View Post
    heres mine mate:



    by the way. it seems wierd. When i go to sat finder in the dreambox help panel, there is no lock and a high very high BER value. But when i look at the actual channel (Star Plus from vision asia in d2) by selecting it from the boquet and pressing ok , it looks as though there is a lock and the BER is 0. Any explanation?!

    How come i get SNR and AGC both above 90 and still no lock ticked for d2?
    G'Day,
    I've sorted your problem. You are using the wrong DiSEqC Switch!!!!!!!!!
    That one is for switching the H/V channels with 14/18 Volts. Rather expensive too.
    What you want is a 4 in 1 out DiSEqC Switch.
    Like this:


    You need to blank off the unused connections. (Perhaps terminate with 75 Ohm.)
    Kindest Regards, " The Druid "........

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    how about this one?



    by the way, even when i try to locate d2 directly (without diseqc), it finds it but with high BER. Is D2 located right next to optus c1 on the right? So have like both lnbs touching eachother?

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    Talking All shipshape and Bristol fashion.

    Quote Originally Posted by danepporambo View Post
    how about this one?



    by the way, even when i try to locate d2 directly (without diseqc), it finds it but with high BER. Is D2 located right next to optus c1 on the right? So have like both lnbs touching eachother?


    Yes, that one would do the job, but why not use the 4x1 ? You may decide to add more LNBs later
    . About the same price.
    The Focal Line of the LNBs have to cross. So looking into the dish, C1 would be on the right, and D2 to the left and almost touching.
    Make sure you use TPs that are not common to each Sat. 12367 V or H /27800 SR for C1 and find one on D2 that is not on C1.

    Kindest Regards, " The Druid ".......

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    wait hmm. are you saying, when im viewing the dish from the front (lnbs in front of me and behind that is the dish), u are saying the d2 lnb should be on the left of the c1 lnb?? If so.. I made a big error!! I have c1 on the left and d2 on the right lol

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    Talking

    Quote Originally Posted by danepporambo View Post
    wait hmm. are you saying, when im viewing the dish from the front (lnbs in front of me and behind that is the dish), u are saying the d2 lnb should be on the left of the c1 lnb?? If so.. I made a big error!! I have c1 on the left and d2 on the right lol


    You're probably right the way you are. I said " When looking into the dish ", as if you were looking at what the Sats see. They see the back of the LNBs and the front of the dish.

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