So if you just let the system sit there after starting it for some time (how long ?), and then try running spotread, does it fail immediately ? Or does it only fail after several successful runs of spotread ? Graeme Gill. After startup the instrument is visible for approximately 60 seconds, Spotread sees it into this timing regardless of the times it runs. Marco ________________________________________________________ Diamo un taglio ai prezzi! Tutto a partire da 1€ http://aste.tiscali.it