Search: "I have a TOM TOM Start which works well. I am planning a trip to the US and purchased the appropriate maps.These maps are divided into areas in order to fit the device. I am ony interested in two of them which are qute small in size and would easily fit into the memory. It seems however that you can only have one installed at a time.I now that you can switch by overwriting he instaled map with the new map but since I dont intend carrying a computer with me how can I get both maps onto the device at once. t"