G'day ol' timer (i'm probably older, so i shouldn't use that term)
Start here: [Only registered and activated users can see links. ].
Lots of info here too: [Only registered and activated users can see links. ].
You can load the *img file back into [Only registered and activated users can see links. ] with [Only registered and activated users can see links. ] to see it on your PC. The *img can be put directly into either the unit or sd's Map folder (create it if not there) named anything convenient eg 'wotevayawant.img'. Best to use the sd for maps unlocked with [Only registered and activated users can see links. ].
Welcome to Noeman.
Edit: Sorry, forgot this is a Topo thread, it's bigger than can fit on the nuvi, so you may as well leave the image named as gmapsupp.img and put in the Garmin folder of an sd of minimun size 4GB.
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