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Rand McNally GPS Unit Not Working Right

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  • Rand McNally GPS Unit Not Working Right

    I have a Rand McNally serial GPS unit connected to a Keyspan USB adapter running Pocke Nav

    It is behaving very wierd. It appears to be behind actual tracking of roads when I approach, and the speed is significantly delayed. What is really odd is sometimes the map will look like I am flying over off road areas, or it will say I am on a completely different road while driving.

    What could be causing this, and what settings should I double check?

  • #2
    Which Keyspan serial to USB adapter are you using?
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