1、Chapter 3: Configuring the SystemCalibrating the MicroscopeThe microscope and motion stage contain many moving parts that (through ordinary use and accidental bumps) can move out of alignment. The DAS and RDAS are equipped with calibration software to bring these parts back into the best possible al
2、ignment.To calibrate the microscope:1. Rotate the light conversion device so that the ambient light shroud is above the cartridge case holder.2. Double click the DAS Calibration icon. The Calibration window opens.Note: Calibrate the microscope every two weeks, or after adding or adjusting any compon
3、ents. The microscope can be calibrated more often if desired.23IBIS v3.3 User Guide3. Position the image so that the silver ring (the head of a tubular pin in the cartridge case support) is between the two narrow red rings. To move the image, use the arrows on the navigation compass.4. Adjust the li
4、ghting and focus until they seem ideal. The ring will be a medium shade of gray, with no washout. (Use the plus focus and minus focus buttons to adjust the focus, or use the slider bars to adjust the lighting and focus.)5. Click the check mark to save the settings and end the calibration, or click t
5、he X to exit without saving.Note: Changing the magnification will change the size of the pins image and may make it easier to position the ring. Click the Magnification buttons to cycle through the available levels of magnification.Note: For examples of ideal focus and lighting, see Appendix B: Cartridge Case and Bullet Markings.24