Quite a few comments have been made about using the SAT for showing people how flat their piano is. I have a small hand-held electronic tuner that I use for this purpose. I don't remember the name of the tuner, but it cost about $50 and is accurate to 1 cent. It automatically displays the note, and a meter needle shows the amount of flatness or sharpness; it is calibrated in plus/minus 50 cents from the note shown on the device. I explain that the word CENT shown on the meter is perCENT of a halfstep (nice that we have 100 cents in a half step!). Most of my tunings are old pianos that haven't been tuned for quite a few years, and many of them need pitch raising. The first thing I do when I enter the home is to use the hand-held to check the piano. If it does need a pitch raising before the fine tuning, I have the person come to the piano and I explain how the hand-held works. They see the display for a number of notes and the indications of how flat the piano is. They quickly accept the fact that their piano needs a rough tuning to raise the pitch. The hand-held is a nice way to check a piano; of course, I don't use it for tuning. /Allen
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