This is a Portable Program Transfer Device that transfers CNC machine programs from a standard USB flash drive (Thumb Drive, Pen Drive, memory stick?) to or from the CNC control through the RS232 communications port, also referred to as Drip feed DNC or Up-Loading Down-Loading. Extension of file name supports: *.?NC, *.TXT,*.NC, *tap Replace PC running a DNC software · LCD 2.4 inch, 65536 colors : display program content, File Folder list, vibrant and visualization · Internal MEMORY 2Gb/4Gb/8Gb use to storage and manage NC programs · 02 ports of USB 2.0 · Protocol: RS232 Parallel 50-pin for old Fanuc paper tape communication. · Power switch: ON/OFF · 04 magnet nuts to mounting on CNC machine · 06 Buttons: RESET, FUNCTION, BACK, SET, UP, DOWN · Function: COPY-PASTE, CUT-PASTE, RENAME, DELETE, Make NEW FOLDER: easy management files folders on USB flash drive and internal MEMORY. · Function AUTO CUTTING: it can cutting by Percent or Line Number. We can see program content after cutting. · Function SEND ? Send program to CNC machine, monitoring program content when sending · Function FORCED SEND ? Forced transfer a program to CNC machines without the required signal from CNC machines (Skip XON) · Function RECEIVE ? Receive program / parameter from CNC machine. · USB/MEMORY capacity monitoring; Format USB flash drive, etc.