Siemens MAMMOMAT NovationDR, Руководство по установке, Страница: 44 / 95

Calibrating the AEC
February 5, 2004
4-7
9. Make sure the Generator is configured properly and make the indicated
exposure.
10. In the Reading field, enter the dosimeter value in the appropriate units
11. Make sure the entry is correct, then click the Submit button.
When the DRAPI is ready to be enabled for the next exposure, the Status will
again say “DRAPI Ready” and will be yellow. Instructions for the next exposure
display.
12. Perform the displayed instructions.
The total thickness of aluminum in this step is dependent on the target/filter
selection (Mo/Mo = 0.4mm; Mo/Rh = 0.5mm; W/Rh = 0.6mm).
13. Click the Enable Capture button.
The last dosimeter reading you entered will be cleared. The Status will change
from “DRAPI Ready” to “DRAPI Armed” and will turn green.
14. Make sure the Generator is configured properly and make the indicated
exposure.
15. In the Reading field, enter the dosimeter value in the appropriate units
16. Make sure the entry is correct, then click the Submit button.
When the DRAPI is ready to be enabled for the next exposure, the Status will
again say “DRAPI Ready” and will be yellow. Instructions for the final HVL
exposure step display.
17. Perform the displayed instructions.
18. Click the
Enable Capture button.
The last dosimeter reading you entered will be cleared. The status window will
change from “DRAPI Ready” to “DRAPI Armed” and will turn Green.
19. Make sure the Generator is configured properly and make the indicated
exposure.
20. In the Reading field, enter the dosimeter value in the appropriate units
21. Make sure the entry is correct, then click the Submit button.
The calculated Half Value Layer value is computed and displayed. The tool
stores this value internally, to be used as input to the ESE procedure.
NOTE: You may want to make a note of the HVL value, so that you can skip the HVL procedure and
go right to the ESE procedure in future calibrations.