On Fri, 27 Dec 2002, Thomas C. Sefranek wrote: *>Then DON'T pulse them! Are you sure ? I have a different experience, especially when the pulsing frequency is low (close to the limit of perceived flicker). Also there is some information about pulsed lights appearing brighter than non-pulsed (not true when viewed by direct comparison). Peter -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu