Is it true that formatting a 2GB SD memory card for the dso nano 201 pocket oscilloscope can take over a day? The Amazon sales page said your supposed to use the FAT16 file system but my computer doesn't give me that option. Should I use FAT32? What allocation unit size should I use? My firmware is version 4.32 that came with the unit. Any help you guys can give me here would be much appreciated. By the way I'm on a Windows PC with the Vista operating system.