When I upload maps to Vista, does it erase old ones?

"Iceeee" <jdukeATev1.net> wrote in
news:vheib1md36iq6c@corp.supernews.com:

> When I am working on mapsource and i have say 2 maps selected, and
> then i upload those to my Vista. Later, I go back into mapsource and
> say I add 1 more map.
> Now in the MAPS window on the left of the screen, i have 3 maps shown.
> My unit already has 2 of them on it already. If i remove those two
> maps from that window and leave the one new one, when i upload it,
> will it ADD it to the gps or will it erase the two that were there and
> just add the one? In other words, do i have to reload all 3 maps even
> though two are already on the GPS?

When you use any software to load maps to a Garmin mapping GPS,
existing loaded maps are erased.

--
Dave Patton
Canadian Coordinator, the Degree Confluence Project
http://www.confluence.org dpatton at confluence dot org
My website: http://members.shaw.ca/davepatton/
Vancouver/Whistler - host of the 2010 Winter Olympics