I've each a Dive Rite Nitek & a Nitek3 and recently pucrhased the downloader. I am attemptin to run Nitek Logic using VitruaPlC but I can't seem to get a connection going. I'm on a Mac G4/400 and have jury-rigged a DB9-USB adapter for the connmection ....but it still doesn't work. Suggestions????

At that time thank you in advance.