On 02/28/2015 10:14 AM, Mike Stein wrote:
Are you saying that it actually stepped in and out
during a rotation to follow the eccentricity?
I'm saying that it's very unlikely that it did. The OEM manual makes no
reference to such behavior. So, getting on-track was likely a matter of
reading an embedded servo mark or two, tweaking the "fine" stepper and
signaling end-of-seek.
--Chuck