Other Humminbird Products > GPS Chartplotters and Non-SI Humminbird Units

917 and 957

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Dryberry:
Hi again,

What are the differences in these two units. Does on really out shine the other. I'm looking to replace my 777c and want a bigger screen.

thank you

Dave

Humminbird_Greg:
I think that the differences are the 2D sonar frequencies each use and the displays but I’ll have to look this up when I get back to work on Monday.

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