E-85• Do not use a computer, another electronic musicalinstrument, or any other device to change a file name orfile contents created with this keyboard. Doing so canmake the data unusable by this keyboard and evencause malfunction of the keyboard.Note that CASIO COMPUTER CO., LTD. shall not be heldliable for any loss to you or any third party due tocorruption or accidental erasure of data on a diskette.About Floppy DiskettesThis section contains important information about handlingdiskettes. Be sure to read it before going any further.Diskette TypesThe WK-3700 supports use of both 3.5’ 2HD (1.44MBformatted) and 2DD (720KB formatted) diskettes. Use of otherdisk sizes and capacities is not supported.Diskette Type Indicators2HD ...... A 2HD diskette is marked with the letters “HD” inthe upper right corner of the front side. Also, thereis a square hole in the lower right corner.2DD ....... This type of diskette does not have a hole in thelower right corner.Write ProtectionIMPORTANT!• You can write protect a diskette so data on it cannot bedeleted and no new data can be stored on the diskette.Also, a write protected diskette cannot be formatted. Youcan read data from a diskette regardless of whether ornot it is write protected.• When the write protect hole is open as shown in theillustration, you can read the contents of the diskette,but you cannot write data to or delete data from thediskette. After saving important data to a diskette, besure to open its write protect hole to protect the dataagainst accidental changes or deletion.• The diskette that comes with the keyboard containssample data. It is write protected to avoid accidentalerasure or formatting. Make sure you handle this diskettecarefully to avoid damaging or erasing its data.HDWrite protect (hole open) Write enabled(hole blocked with tab)Data save, data delete,disk formatting are allenabled.Write protect tabHoleopenSaving Data738A-E-087A