<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1400" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Personaly, I like to tune a note, then = check wuth the EDT, Sanderson SAT. I dont know how a PTG test is judged, but I get = lights pretty close to stopped...then measure in cents how far off ...It seems according to the exam testing, depending which octave you are in, you = could be from 1.9 cents and more off before losing points. Am I understanding = this or confused.</FONT></DIV> <DIV><FONT face=Arial size=2>Richard</FONT></DIV></BODY></HTML>