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Thread: hb 957 and universal sonar interference

  1. 03-11-2013, 08:06 AM #1
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    Default hb 957 and universal sonar interference


    Hey guys. I have a question/problem. I.have a hb 957 hooked up to my terrova with universal sonar transducer. And i am getting interference. It will go from reading accurately to jumping all over the place. Andthen it will be fine again. I have it hooked up to interlink to a 997. I was wondering if.there was any specific settings i should have it on. Iv tried everything i could think of. Thanks guys
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  2. 03-11-2013, 09:30 AM #2
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    First: make sure that it is trolling motor interference.
    Second: see if it happens when the trolling motor is running at its fastest speed.
    Third: make sure the interference is not coming in through the InterLink connection by disconnecting the 957 from the InterLink.
    Fourth: Make sure that the adapter cable connection for the US2 is tight and check the in-line fuse in the trolling motor to make sure it has not blown.
    Fifth: call Humminbird at 1-800-633-1468.

    This may help you as well:
    Humminbird: America
    Greg Walters at Humminbird
    [email protected]
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  3. 03-11-2013, 02:32 PM #3
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    I will try that greg. Thanks. Sucks that i gota be on the water to try it out!!!
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  4. 03-12-2013, 10:58 PM #4
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    If your checking interference get a 5 gal bucket of water,take prop off motor put the motor in the bucket of water and run it. You need the water to keep motor and electronics cool.
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  5. 03-13-2013, 10:46 AM #5
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    He needs to have the whole boat in the water to test for the interference.
    Greg Walters at Humminbird
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  6. 03-14-2013, 12:36 AM #6
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    Thanks greg. Im plannin on getn the boat out friday. I will let you know what i find out
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