Seeing people talking about updating. How do I update this unit. And what is the best mapping card for it. New to garmin. Thanks for any help guys.
Seeing people talking about updating. How do I update this unit. And what is the best mapping card for it. New to garmin. Thanks for any help guys.
Latest software version is 3.80 (directions on the Garmin download page)
Upgraded freshwater maps are LakeVu HD ultra
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