Hi Peter,
I always format floppy disks/SD Cards (and now, a recently purchased Portable Floppy Disk Drive) in the Technics keyboard first. After formatting I save a 'test' style in the usual way on the keyboard and then you can use it without problems.
Tip: if you want to backup your floppies/SD Cards on the PC make sure you 'Copy and Paste' or drag & drop, rather than cut because if you don't, the PC will automatically save the data to word (.doc)
which the keyboard will not be able to read. This could be the reason your PC is showing the floppies correctly, but the keyboard is asking you to format them.
Hope this helps.
Audrey
[This message has been edited by Audrey Turner (edited 10-08-2010).]
[This message has been edited by Audrey Turner (edited 10-08-2010).]