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Humminbird 1197c Navionics Help - Walleye Message Central
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Old 07-18-2008, 10:16 PM
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Default Humminbird 1197c Navionics Help

I have just bought an 1197c and cannot get this unit to read my Navionics chart as well as my Lowrance LXC-27c did. I have the both the Great Lakes and Canada Hot Maps charts.

Both units display the contour lines in the water, but the Humminbird will not display much depth information on the map while the Lowrance shows depths on almost all contour lines. I am using the same map cards in both units.

Does the Lowrance just do a better job of this? Both map cards are new for this year.

Has anyone else noticed this?
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