What does F mean?

[Roger Jolly]

HI Phil,
                 It's the scale designation.

Regards Roger


At 06:50 PM 6/22/2004, you wrote:
>I encountered a Yamaha upright piano which was labeled "U1 F".  Does the 
>"F" have any significance?  Pierce mentions the letters "U" and "T", but 
>not  "F" with regards to Yamaha.  Could it have anything to do with gray 
>market or plant locations.  Anyone got a clue?
>
>Phil Ryan
>Miami Beach
>
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