what is the best size gps/depth finder micro sd card size?

[keakar]

Originally Posted by alphaman

lowrance has updates. they can be downloaded from the site. I don't know what version you have now.

neither do I lol

since its a refurbished unit I would "hope" its been updated to the most resent version but I have learned not to expect companies to do things that make common sense so who knows?

how do I check for the software date or series or whatever it is?