This registry entry provides the distance that the probe will need to move before PC-DMIS takes a hit. This is the 3D distance between points.
For example, if you use 5, and your units of measurement is millimeters, the probe has to move at least 5 mm from the last point before PC-DMIS accepts a hit from the controller.
Entry Name: FixedDeltaScanIncr
Entry Type: Real number that specifies the distance. The default value is 0.1.