Thread: loading bluechart g2 to a GPSMAP 78s

You can use any file name ,instead of gmapsupp.img example: HXUS039R.img, Topo France.img
Look if it's really unlocked , Homeport can display locked maps.
Gmaptool/Details
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To unlock drag the img in gimgunlock icon.
It's a big map, check if you don't have too many map segments in gps. There is a limit to ~4000 map segments

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