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I have a Garmin Nuvi 680 and an Oregon 550t.  Nuvi has CN North America NT 2010.30 and I am thinking I would like that on my Oregon as well, so I can navigate while biking. (Oregon mounts to my bike, Nuvi does not).  Can I copy the map to my Oregon?

I have Mapsource, as well as Basecamp.

Thanks for the help.