Prior Scientific ProScan III Manual page 33

Focus Servo Window:
X Resolution: Sets the encoder resolution for the X axis to determine the micron
number displayed in the DRO. Use negative number to reverse the direction if the
encoder is reversed.
Y Resolution: Sets the encoder resolution for the Y axis, this determines the micron
number
displayed in the DRO. Use negative number to reverse the direction if encoder
reversed.
Z Resolution: Sets the encoder resolution for the Z axis, this determines the micron
number displayed in the DRO. Use negative number to reverse the direction if encoder
reversed.
© Prior Scientific Instruments Ltd
When in servo mode the controller will
attempt to keep the focus at a particular
position. The servo window is the number of
encoder counts the focus can move before the
controller will respond and correct the
position.
Version 1.12 June 2017
ProScan® III Manual
Page 31