The ScreenLinks enable DesignaKnit to provide the full range of row by row instructions and audible alerts during Interactive Knitting with NON ELECTRONIC MACHINES. However, they are not able to download patterns to the knitting machine. This is the cable needed for the Silver Reed LK-150 Passap Vario, Brother KH-400 and Brother KX-350 or any non- electronic machine (including punchcard machines)