MDI units with the compact ONG layout have alphanumeric keys that are arranged in a way to simplify the input or modification of part programs. They are available in different sizes and in 2 variants for machining centers or for lathes.
MDI units with the versatile QWERTY layout have the keys arranged like on a conventional PC keyboard, making it easy to adapt to them. Inputting text, e.g. comments in part programs, descriptive tool names etc. is easier with the familiar QWERTY layout. They are available in different sizes.
All MDI units have operation keys and menu keys which are necessary to input data and switch between CNC menu screens.