So I guess you'd use Windows Explorer to carry out the transfer providing you can connect the Memory card to your PC. The floppy disk drive attaches to a USB port.
Then its just drag and drop.
Hopefully the file system in the memory card is straightforward. Watch out for file numbering on the files on your floppy disks...
Rog
Can I suggest W D Greenhill & Co for the floppy disk drive as (a) they are nearby in Essex and (b) they handle all the parts stuff for Technics.

Hi Rog, Would you know if it is possible to connect the KN800 to my pc via midi ports and then transfer the style disk data from the floppy through the pc to the keyboard and on to the memory cards that plug into the KN800
adrian

Sounds a great idea doesn't it Adrian but I very much doubt if midi ports are designed to take that kind of data and then send it to a memory card. I think you are going to have to do the work on your PC and then use the loaded memory card in your KN800.
Rog