Hello. I have a Streetpilot 2820 with 3 maps-Europe NT8, Turkey Navcity and Turkey Topo. I can never see three of them in the map menu, only two are visible. I need to change the names of the IMG files all the times and let one get sink and lost though can be seen in the Garmin folder of the unit. Is it possible that I can see three of them and swap and add more maps till
I can have all the memory filled up (2GB)?