Stereo Scan 440 - DCU

Stage Scan Invalid
This indicates if the current stage scan pattern is invalid or not.
The scan will be invalid if the combination of scan parameters would take the
stage beyond the user defined stage limits (in X, Y or Z).
Stage Scanning
This parameter indicates the current state of stage scanning:-
Idle Stage scan has not been started
At Field Stage is positioned at a field in the scan pattern
Moving The stage is in motion as a result of a Next field Command
At End The scan pattern has been completed
Stage XY +Z
This state is used when tilt compensation is operative.
If the checkbox is empty then no Z movement is made.
If the checkbox is marked then movement in Z is made relative to the startZ
when movement is made in the tilt direction.
Backlash
If this box is checked backlash correction will be perfonned on each stage step.
Start Here
Executing this command will set the start co-ords to the current stage position.
End Here
Executing this command will set the End co-ords to the current stage position.
Calc Fields
This function performs the following calculation.
The field of view is determined from the current magnification (i.e. the physical
dimensions on the specimen of the image in nonnal mode).
The field of view is used with the field overlap to determine the field size.
Using the Start co-ord. the End Co-ord and the field size the number of fields
is determined.
Select scan area
This function is used to set the Start co-ord and End Co-ord when the whole of
the area to be scanned is visible at a suitable low magnification.
Stereoscan 440 Operator Manual