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  1. 01-19-2022, 07:27 AM #1
    DP42912
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    73 SV transducer upgrade help.

    I have a 73 sv I bought in 2016 or 17, it’s not chirp. I was wondering if I could upgrade the transducer?? I don’t know which one I have. If so can someone recommend what I need, would it be worth it? I crappie fish and want more detail.
    Thx. David
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  2. Todd Driscoll
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    #2 01-20-2022, 05:21 AM
    If you have the original Echomap 73sv (nonCHIRP), the unit came packaged with the all-in-one GT40. This is the only all-in-one compatible with this unit:

    https://www.garmin.com/en-US/c/marin...MAP=echomap_sv
    Garmin Pro Team
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  3. DP42912
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    #3 01-20-2022, 08:06 PM
    Thank you, that’s what I needed to know.
    Funny, I watched you fishing earlier on you tube.
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