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Thread: Mega 360 question / interference

  1. #1
    Join Date
    Dec 2015
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    Arkansas
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    Default Mega 360 question / interference

    When in dual pane view, map and 360 view, how do I get the 360 view front view? I am able to get front view in 360 only view, but canít find option in dual pane view.

    Next is interference. My picture is clear in 360 view but when I have trolling motor on the picture seems washed out with sometimes the intermost circle is showing some detail. I can not tell you if I have interference with side imaging or down imaging as I was just dealing with the 360 on my last outing.
    Trolling motor is 12 v motorguide Xi5. I have 2 ferrite clamp-on on the motorís power cord. The wire from the battery (located in battery compartment in front of boat) to TM are on left side of boat.
    My transducer, mega 360 transducer are mounted on a da ducer apparatus on right side of boat. Power to the hb units and the mega 360 are each on their own duplex wire run from a fuse box mounted next to the cranking battery in the rear right side of boat. The HB units both have the power cord with preinstalled chokes on them.
    I have a ground wire from the trolling motor battery negative post to cranking battery negative post running down from front to rear on left side of boat.
    I do have a on board battery charger with the leads to the cranking battery going down the left side of the boat.
    So the next time I am on the water, I will try to disconnect the lead from on board charger to the cranking battery to see if that has any effect. I did write to the rep from dual pro and they told me that on-board charger canít create rf interference. Maybe I was not asking the right question though. So if that wire is the antenna for the interference, do you use ferrite rings on that cable or do you just need to get a separate charger for that battery?
    So where do I start? I have ordered more clamp on ferrite chokes and some ferrite rings.
    Also if it makes difference I have a fisher 1754 Aluminum boat.

  2. #2
    Join Date
    Sep 2008
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    West Ky
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    Do you get the view option when the 360 side of the combo split is “active” (indicated by the green arrow at the top) ...??
    ——-

    Interference can encroach into a Sonar system by 2 main paths —> transducer circuit or power circuit ...

    Chasing interference is best performed by first determining which path the interference is encroaching into the system ...

    Test the 360 farther away from the TM (making sure the 360 cables are no where close to the TM power wires) ...

    *If the interference goes away - the interference is encroaching thru the transducer circuit ...
    *If the interference is still present - the interference is encroaching thru the power circuit ...

    Once the path is determined - possible remedies can be applied ...

    Rickie
    www.podunkideas.com <--Click here
    -----------------
    www.crappie-gills-n-more.com
    www.cornfieldcrappiegear.com
    ------------------------>> Pro Staff Sonar Advisor

  3. #3
    Join Date
    Dec 2015
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    I have not had the boat back on the water, but I ran it in simulator mode. In full 360 mode it gives me an option to do full, front rear right and left. When I move to two panes, the option is not on the menu.

    As for the interference. I put the 360 in a bucket of water. When I turn on the trolling motor I see the interference light up. So I remove the charger cables and it made no difference. Replaced the charging cables. I then removed the ground wire that was from negative post cranking battery to negative post trolling motor battery. That seemed to stop the interference. Hopefully that was my problem, will see next week when I get back on water. Thanks

  4. #4
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    Customer service for HB is great.
    Iíd call them about the views.
    Rickieís the man on your interference issue.



    Sent from my iPhone using Crappie.com Fishing mobile app
    Proud Member of Team Geezer!

  5. #5
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    Spoke with HB CS. G4n only show front view in 360 screen. If you run 2 or more panes only full view is available for the 360 view.

  6. #6
    Join Date
    Nov 2008
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    Couple of things.
    While a charger won't create interference, it will pass interference. I use a charger for the TM batteries, and a separate charger for the starting battery. Thus both circuits are separate, and no path for interference.
    Remove the wire connecting the starting battery to the TM battery, it is also a path for interference.
    TM batteries power only the TM or any other accessories you want, EXCEPT electronics.
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