I'm assuming that you didn't use you CALC-CALC link. Unscrew the head of the stereo gizmo enough that it will fit into that little spot around the link port (look at your calc-calc link, you'll see what I mean). You might also try holding your calculator up straight as you send the files over. Sometimes, this is the only way mine will make contact enough to transmit. Just my overpriced $0.02 -The Great and Powerful Llama --GreatLlama Software