>I get prompted to enter something. But what ??=20 >Orcad itself gives no hint, I have tried all keys >on the keybord (!) I would have thought it was wanting a plain number followed by a = carriage return, e.g. "1.0" or "3.5" or "0.25" -- http://www.piclist.com hint: PICList Posts must start with ONE topic: "[PIC]:" PIC only "[EE]:" engineering "[OT]:" off topic "[AD]:" ad's