PREHIT/nnn.nnnn
This command determines the distance away from the theoretical hit location on the surface where PC-DMIS begins to search for the part. The machine travels at touch speed while traversing this distance to search for the part.
nnn.nnnn represents a number value for the machine prehit distance.
For additional information, see the "Prehit Distance" topic in the "Setting your Preferences" chapter.