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  1. #1
    JL
    JL is offline
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    Dec 2006
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    Pinckney, MI
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    Hummingbird GPS slow Update

    First off I have a 998 and 788 interlinked with one GPS puck. Both units are 2010 models. The problem I have is that while trying to navigate to a waypoint, the arrow (represents the boat) is very slow to update, making it very difficult to get on a waypoint. When the units final do update you are either past the waypoint or going in the wrong direction trying to find it. Mainly the bow unit does this (788).

    Any suggestions or help? What software version should I be running?

    Thanks for the help.

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  3. Member
    Join Date
    Aug 2012
    Location
    Carthage MS
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    112
    #2
    I had same issue on my boat with 1198 and 898. I had GPS puck mounted at stern above transducer and was just using the network to see the GPS when I was on the bow using trolling motor. It would be real slow and by the time It updated I would be way off course. To fix I put another GPS puck on bow by trolling motor and connected it to the unit on BOW and it fixed the problem.
    Greg Wood
    2012 Ranger Z521 250 Optimax Pro XS
    Dual Power-Pole Blades 10ft
    Lowrance HDS 12 Touch at Console and Bow

  4. Moderator Doug Vahrenberg's Avatar
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    Sep 2005
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    Higginsville, MO
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    18,673
    #3
    If you connect the GPS Receivers Direct to the Unit it will increase the GPS Refresh to 4 Times a second versus one if shared via InterLink which is only once per second refresh rate.
    --


    http://www.dougvahrenberg.com/

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  5. JL
    JL is offline
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    #4
    Ok, thanks guy's. Sounds like I need another GPS puck!