Data Analysis Angled How-to

Data Analysis HOW-TO

This video explains how to do the Angled Data Analysis exercise. It can also be found in the Help section.

• All Silverlight exercises require the Silverlight plug-in for your web browser
• The exercise is only active in full-screen mode

Steps

1. Read the information available on the right side of the screen especially the number of indications
2. Put the exercise in full-screen mode using the button on the bottom right corner of the exercise
3. Press New Indication button
4. Adjust the B-Scan range as needed
5. Adjust the C-Scan range as needed
6. Use the Scan Position to find the first defect
7. Adjust Gate A to cover the entire indication
8. Use the Angle to find the highest amplitude
9. Press Get Max Amp button
10. Position the vertical black cursor in the S-Scan in the middle of the indication
11. Press X1 button
12. For height calculation, use the angle to find the first -6 dB drop point
13. Press Y1 button
14. Use the angle to find the second -6 dB drop point
15. Press Y2 button
16. For length calculation, locate the Angle in the middle of the indication
17. Use the Scan Position to find the first -6 dB point
18. Press Z1 button
19. Use the angle to find the second -6 dB drop point
20. Press Z2 button
21. Based on the Acceptance Criteria, accept or reject the indication
22. If a second indication is present, start again from step 3
23. Press Validate button
24. If the analysis is correct the button Skip turns green. If not, it remains yellow
25. Press Reset to start the exercise over.