Thread: how to put land and coast in garmin??

Unlock the Bluechart with
[Only registered and activated users can see links. ]
just drag&drop the file in unlocker icon.

Copy the unlocked Bluechart in a Garmin folder in sd naming it gmapsupp.img:
SD/Garmin/gmapsupp.img

GPSMAP is a very specific device!
In marine mode it read map as any new marine device - only one map and no TYP support.
In automotive mode it not have external support for handhelder additional function.

Unfortunately due to the specifics of this, he fell out of the evolutionary chain - GPSMAP276C->GPSMAP6x0.
Our God has changed their plans for GPSMAP276C->Montana