Quote Originally Posted by spijun View Post
You have options:
1) Naming convention allows for more then one name. Allowed names are:
GMAPBMAP.IMG - base map (not routable AFAIK use it for base map only)
GMAPPROM.IMG - first detailed map
GMAPSUPP.IMG - second detailed map
GMAPSUP2.IMG - third detailed map


1) Gmapbmap.img Basemap
2) gmapprom.img gmapprom.unl rename your map.
3) gmapsupp.img gmapsupp.unl
4) gmapsup2.img gmapsup2.unl
Sorry, this is only for Garmin MobileXT, Nuvis 7xx don't accept gmasup2.img,they accept gmapprom1.img