Appendix 2 Directions of U Disk OperationOwner’s Manual of BECS- A15 Computerized Control System 115Appendix 2 Directions of U Disk OperationNo Operations Methods or Standards Remarks1 USB I/O Same as floppy disk2 Operation priority between USBdisk and floppy disk USB Disk3 Format supported by USB disk FAT16 and FAT324 Support long file name Support, but not displayed5 File name formatDOS 8.3 mode （ 8 digitprefix is viewable,suffix is3 digits）For instance: “清明上河图.DST” willbe displayed as “清明上~1.DST”6 Support file name in Chinese Support7 Sub-directory operation Support8 Sub-directory limitation No. It could be countlessin theory9 File number in one sub-directory 40010 Reading & writing error/ changeUSBBack to disk managementor design managementinterface, insert the diskagain.11 Multi-logical disks in one USB Support12 Formatting USB Support13 Installation of the letter base Not Support14 Software update Support15 Special character in file name Support, except “$”.
