What do you want to adjust ? Frequency ? DC offset ? Amplitude ? POD Gus S Calabrese Denver, CO 720 222 1309 303 908 7716 cell I allow everything with "spamcode2006" in the subject or text to pass my spam filters -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist