Originally Posted by Emmbeedee
Yes, it can be used without buying Garmin maps. It'll still come with a Worldwide Basemap but I don't really know what that will show. It would be interesting to try.
It may be worth asking Garmin's map experts perhaps through their forums
Why does it say on the Garmin Specs sheet that the 600/650 (non-T) "pre-loaded maps - No" ?
EDIT: OK, I see where it says "Basemap - Yes"