I own a GPSMap 76CSx. I would like to update the marine maps that are on a microSD card. What is the process?
I own a GPSMap 76CSx. I would like to update the marine maps that are on a microSD card. What is the process?
You can't update maps supplied by Garmin on a card. You have to buy a new one.
https://maps.garmin.com/en-US/marine?key=9z1fmr1ux877