Frequency accuracy?

[Frank Cahill]

Jim Coleman, Sr. wrote:
> 
> Hi Robert:
> 
> In the calibrate mode, the program and machine are being calibrated to
> the internal quartz crystal frequency.
> 
> On the newer machine which are temperature compensated, they stay in
> calibration very well.
> 
> The older machines tend to drift a bit, hence the need for calibration.
> 
> Jim Coleman, Sr.
> 
> 
Jim, what's older mean? 5 years or more?
> >
> >
> >

-- 

Frank Cahill
Associate Member, Piano Technicians Guild
Northern Va