15
Measuring - calibration
1. Place a scale under the camera and adjust the
focus knob until the image is sharp
(Fig. 23)
.
2. Click the “Snapshot” button to capture the
picture, double click this picture in the list bar.
3. Click the “Measurement” button to open the
Measurement Window.
*You must calibrate again if you change the distance,
magnification, or resolution.
4. Check “Calibrate” box, and choose the
“Reference Unit” that matches your scale and is
the largest dimension visible on your snapshot.
(i.e. The largest dimension available between
3 centimeter and 4 centimeter is 10 millimeter.
Therefore, we choose the 10 mm as the
“Reference Unit”)
5. Click and hold the right button of the mouse at
the 3 centimeter line and drag the cursor to the
4 centimeter line
(Fig. 24)
.
6. Release the right button of the mouse, and the
calibration is done.
(Fig. 25)
.
7. Now you can begin measuring. Double
click the picture in the list bar or just place
the microscope on the object and click the
“Measurement” button.
FIG. 23
FIG. 24
FIG. 25
