At Thu, 15 Jan 2004 14:33:40 -0600 "Keys" <jrkeys(a)concentric.net> keyed in: You are the proud owner of a Pulse Height Analyzer/Multichannel Analyzer (depending what's installed). These beasties are generally used in the nuclear physics area for spectrum analysis and timing analysis. Contact me off-line if you want more info... Claude Ceccon