After a bit of playing around I am within about +/- 8 counts, no matter 
what I throw at it. Feeds are within about 6 counts. Grabbing hold of 
the servo shaft and trying to turn it by hand as hard as I can deflects 
the position by about 8 counts before it returns to 0.

I first tuned PID as good as I could get then turned I down to 0 and the 
other two down to about 20%. I then set up FF1 and FF2 to give the 
minimum following error. Finally I turned P,I,D back up to their 
previous values.

I think that is pretty much as good as I am going to get.

Les

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