C-Map Card Question.
I own a 2006 Navman chartplotter (essentially same as Northstar) and would like to upgrade its detail for Lake Winnipesaukee by buying a Bizer Corp. C-Map card and plugging it into the unit (yes, this GPS takes C-Map cards). Two questions: does anyone out there have done the same upgrade, if so pls give me your input, and second question, what does it mean when the C-Map comes with an NT (does it mean it's home computer-usable? How, on a CD?). Thanks!
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