<HTML><BODY BGCOLOR="#ffffff">In a message dated 9/22/02 6:54:48 PM Central Daylight Time, kswafford@earthlink.net writes: <BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">There is nothing in the manual that prohibits the use of the ETD for the "pre-tuning", that is, the tuning which the 3 RPTs refine until it becomes the master tuning. Indeed, the ETD must be there during the pre-tuning to take readings and be sure that the readings are of sufficiently good quality to qualify the piano for the exa Kent </BLOCKQUOTE> Kent, I am not sure what you mean "qualify the piano." David Koelzer Vintage Pianos DFW </HTML>