User`s manual

Biaxial Displacement Follower User’s Manual Version 1.4, April 19, 2004 IM1013
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amplifiers with de-multiplex switching are connected to the vertical and horizontal coil currents, allowing the position of
each edge to be obtained. De-multiplexing of the data amplifiers removes the shift current from the data output.
Automatic Recapture With a light center target, dark initiates search, and with a dark center target, light initiates search.
That is, if a light center target leaves the field of view, the tracker sees all dark, and begins searching. When a light spot
returns to the field of view, lock is regained, and the search stops. If a dark center target leaves the field of view, the tracker
sees all light, and begin searching. When a dark spot is found, lock is regained and the search stops.