Humminbird charts

[Copilottruman]

Can anyone tell me which charts are better for Lake Michigan in a humminbird unit? I only fish Lake Michigan and Huron and want the most detail. Not sure if I should go with the lake master charts or the navionics charts. Thanks

 

 

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[Larry Hoscheit]

I have the navionics for the great lakes and Lake master both on my finders and find the navionics much better. that being said the auto charting feature is a definite must IMHO

[Copilottruman]

I have a humminbird helix 2. I believe it only has one slot for charts. Can you not use the charting feature with the navionics card inserted?


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[Larry Hoscheit]

As far as I know the auto charting works with the navionics, but can't remember if you need to purchase an auto charting card separately?