That makes sense...I was remembering that you had to load everything at 
one time (it replaces; doesn't increment) when transferring the maps 
over.  Guess I didn't realize the option was there in the map screen 
because I've only ever had one mapset loaded.  Now that I know it's 
possible, I'll give it a try.  I hate banging my head against the wall 
trying to do something when it's not even possible (which has happened 
to me on more occasions than I care to count...not with the GPS, but 
with software stuff at work).

Thanks!
-Lisa "PoledraDog"

Brian Casteel wrote:
> Absolutely.  I run several different mapsets on my 60Cx.  You just need to
> go to the map screen and make changes to unselect one mapset so another can
> be selected and visible.  It takes moments, and you're done.
>
> The one thing you need to do though is select the tiles in MapSource for one
> mapset, then pick another mapset and select tiles again.  This will build
> the data to be transferred, but there is a total tiles limit that will often
> become a problem well before you hit the 2GB limit that Garmin units are
> supposed to handle.  On that note, a friend threw a 4GB card into his, and
> it worked.  I believe 2GB is the limit for map data, with the other being
> available for tracks/waypoints, etc...
>
> Brian
> Team A.I.
>   

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