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I don't see much need of maps for ice. I just print out a chunk of Navionics for the area I'll be fishing if I have not been there before. As they say 'it ain't rocket science'.
if you want a POS that breaks down after three outings and wont be covered by warranty buy a marcum.
Agree---I guess i seldom fish isolated structure.
My Marcum VX-1 is going strong on its 3rd season, how could it not be covered by warranty if you only used it 3 times?
ask Marcum