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  1. #1
    Member
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    Jan 2013
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    Louisville, Ky
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    Transducer location for HDS and HB mega

    Best advice for both to avoid interference, with both units on I am getting irratic depth reading
    Frank Haysley
    2022 Phoenix 721 250 Pro XS
    HDS Live 12's

  2. Lowrance/Garmin/GPS Moderator fishin couillon's Avatar
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    Jun 2004
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    Pineville, La
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    #2
    Have you tried setting different frequencies for each? Where are these installed, bow? transom?
    YOU are not entitled to what I have earned!!!!!

    2014 Phoenix 619 Pro / 2014 Mercury 200 Pro XS

  3. Member
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    Jan 2013
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    Louisville, Ky
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    104
    #3
    Transom, I haven't tried different frequencies but I will
    Frank Haysley
    2022 Phoenix 721 250 Pro XS
    HDS Live 12's

  4. Lowrance/Garmin/GPS Moderator fishin couillon's Avatar
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    Jun 2004
    Location
    Pineville, La
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    33,096
    #4
    Either turning off the transducer transmission or changing frequencies will be the only thing to do, otherwise if they are at the same area, operating and on the same frequency nothing you can do......for side imaging, Lowrance only does 455, the mega goes higher than that so that could help....
    YOU are not entitled to what I have earned!!!!!

    2014 Phoenix 619 Pro / 2014 Mercury 200 Pro XS

  5. Member
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    Nov 2012
    Location
    Nederland, Tx
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    13,647
    #5
    Different frequencies should do it. If they are both chirping make sure the ranges dont overlap

  6. Member
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    Aug 2017
    Location
    Lexington, KY
    Posts
    141
    #6
    I tried to run a bird and a hds also. I’m gonna guess the eradic bottom reading depth reading is on the hummingbird! If I am right it has nothing to do with running both units. Humminbird has major firm ware issues. You can read more about it on Humminbird forum. They keep promising a “fix”. However I got tired of waiting. Good luck

  7. Member
    Join Date
    Jun 2014
    Location
    DeLand Florida
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    3
    #7
    I'm curious how you mounted the HDS and HB Mega Transducers on your Transom?