Hi, I have a Nuvi 3790 with preloaded middle east maps, I recently added a new set of Europe maps (gmapsupp.img, gmap3d.img and gmapdem.img) to the "garmin" folder of a SD card. At the "Map Info" under Nuvi's settings, I get to see my Middle East maps (Main, 3D and DEM) but from the SD card, I only get to see the main Europe map only. I don't see co related tick options for "gmap3d.img ...