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Need help for lnb config

Discussion in 'Black Hole General' started by roozbehk, Jul 13, 2019 at 10:30 PM.

  1. roozbehk

    roozbehk Vu+ Newbie

    Messages:
    36
    hello
    We have central satellite system. They put 3 lnb on diseq 2.
    Two of them have normal config and i just need to set the diseq to access them.
    But the third one(yahsat) is killing me. We have 2 reciever box. Vu+ solo with blackhole image and starmax a20.
    On starmax they just change lnb type manually and set it to 10600 for yahsat.see attached file. There is no option on vu+ to set lnb type manually. What should i do?
     

    Attached Files:

  2. Matrix10

    Matrix10 Administrator

    Messages:
    8,797
    You must use Advanced Configuration Mode in Reception Settings
    Under the LOF configuration (buttons left right ) in user defined, you can configure the LOF
    10600
    More than that I can not help you because I do not have this kind of installation.
     
  3. Matrix10

    Matrix10 Administrator

    Messages:
    8,797
    additional information related to LOF / L
    ,LOF / H, and Threshold

    Universal LNB
    LNB Lower LO LO is local oscilator0r) or LOF/L = 9750 Mhz
    LNB Upper LO (LO is local oscilator0r) = 10600 Mhz
    The threshold is the frequency at which the receiver tells the LNB to switch to high band and use Upper LO.
    =======================================
    Your situation is
    that one LNB and maybe all use a single band LNBs

    Which means that the third LNB uses LO / H = 10600 Mhz
    So in the configuration you do not have two LO oscillators but only one.
    So you have to test which configuration is working
    i think LOF / L and LOF / H both must be at 10600
    the Treshold at the highest frequency for that satellite
    or put a high value so there is no effect on the LNB (no switch to Low LO band and use Upper LO )
    =========================================

    Other LNBs also use the single band configuration ???
    and diseqc looks just for two LNBs and uses three
    with fixed LO
     
    Last edited: Jul 13, 2019 at 11:23 PM
  4. roozbehk

    roozbehk Vu+ Newbie

    Messages:
    36
    thank you for your reply
    the other two use universal lnb config. the third one use single lnb type 10600. i am at work right now. i will try your suggestion and give it a try. i will update the results.
    thank you again
     

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