Hello,

Before I am considering to buying a Garmin Gpsmap 64 model...

But can it that I use the topo maps I already have for my old Gpsmap 60Cx, unlocked with the 25 caracters licence key for my mapsource, to upload them on the new unit, or is it that there is another protection and software for this new model 64 and so i have to buy new licence code ?

Thank you.