Hello. I recently purchased a refurbished HDS 5, gen 2 from Lowrance with updated software. When I got it powered up I inserted a 10 year old Navionics western lakes card and when I selected the Navionics card from the chart options dropdown nothing happened. I then switched back to the Lowrance software and it worked fine. Given the age of my card, is it now incompatable with newer units software?
Thanks
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