Hinds Instruments EXICOR 150AT, Руководство пользователя, Страница: 55 / 95

Making Birefringence Measurements
Exicor 150AT User Manual 45
Set the shape of the scan region by clicking on the down-arrow next to the Scan
Region field in the Automatic Scan panel.
Defining a Rectangular Scan
A rectangular scan is defined by an upper left coordinate, a lower right coordinate,
and a grid spacing (same for x and y). Follow these steps to define a rectangular
scan:
1. Select Rectangular from the drop-down menu under Scan Region. The scan
control now looks like Figure 4.9 shown below.
Figure 4.9 Automatic Scan Panel for Rectangular Scans
2. Move the stage to the desired upper left location and click .
3. Move the stage to the desired lower right location and click .
4. Enter the grid spacing to be used for the scan.
5. Select
High Speed if desired to perform the scan with Scan In Motion.
Alternatively the user can enter the coordinates for the upper left and lower right
corners.
Defining a Circular Scan
A circular scan is defined by 3 points on the circumference of the desired circular
area and a grid spacing between points within the circle. Follow these steps to
define a circular scan:
1. Select Circular from the drop-down menu under Scan Region . The scan
control now looks like Figure 4.10 below.