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  1. 04-18-2023, 09:52 AM #1
    Rocker911
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    Garmin upper bay

    I have a ECHOMAP™ UHD 93sv. I bought a Navionics + card U.S East card. Can someone tell if this is the right card for upper Chesapeake bay. Also when I put the card in the unit shouldn’t the depths and shading put up on the bay or is there something else I need to do. Thx for any help.
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  2. n2bassn
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    #2 04-18-2023, 07:02 PM
    I don’t know for sure about Garmin but the Navionics card that I used in a lowrance unit did not show contour lines but rather various depth markings which is common for costal tidal waters. Depth shading will not work in that situation.
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  3. cnewcombe4
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    #3 10-20-2023, 10:50 AM
    Quote Originally Posted by Rocker911 View Post
    I have a ECHOMAP™ UHD 93sv. I bought a Navionics + card U.S East card. Can someone tell if this is the right card for upper Chesapeake bay. Also when I put the card in the unit shouldn’t the depths and shading put up on the bay or is there something else I need to do. Thx for any help.
    Having the same issue with the same units and cards did you ever get this worked out?
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