Stereo Scan 440 - DCU

Graticule and Crosshairs
Graticule and crosshairs are toggled on/off from the View menu. A grid of
evenly spaced horizontal and vertical lines or intersecting 45° lines in the overlay
plane is displayed. The spacing of the lines is user defmed from the View menu,
an appropriate pixel distance is entered between the values of 50 to 512.
Recording an Image
There are three ways of recording an image on the Stereoscan 440:-
1 Micrograph on HRRU (if fitted).
2. Image print on a Video Printer (if fitted).
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3. Image Save to disk (as a 11FF file).
The last of these is available on all systems, the others require the necessary
options to be fitted.
The photo icon provides an interface to all the record methods. In the File menu
the Export/Pboto set up option allows the output device to be selected from those
fitted. The selection is made by clicking on the Output to: field, which displays a
dialog box of the available selections. Once a destination has been set up,
selecting the photo icon with the left mouse button initiates a record sequence.
Selecting it with the right mouse button brings up the appropriate record set up
panel.
In addition to the icon, record sequences can be initiated from the File menu
Export/Photo option, while the set up panels can be accessed from the Set up
option on the Export/Photo set-up panel.
Magnification Calibration
The magnification is defined as the scaling between the size of a pixel scanned
on the specimen and the size of that pixel on the final image. Clearly the latter is
dependent on the way in which the image is recorded. An image recorded on an
HRRU will not be the same size as one recorded on a video printer. The
Export/Photo set up panel provides a means of calibrating the magnification
according to the user's own requirements.
Stereoscan 440 Operator Manual