Manual plus v360

Hi
We have bought a dmt kern cd 650 maybe its 1997?? but They didnt send manual...
İ had know anything about lathes but i set it up take a little help from DMT at bios settings now i can open it set it up to ref points i tried einlern menus and learn most of them but programm always same i cant find the place to enter a New program .i enter DIN EİNGABE anwahl N7001 but its too hard to write all steps with g0 g1 .is this machine contact with a computer or has it have a program manual or something ...it has a NC data drive near it with DİSKETTE. Do i have to load NC codes with DİSKETTE but how ?

I need really someone to help me show me the ways and tips