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Ra-223 is not listed in the current isotope library. he user will have to add it to the isotope list.
1. Press the HOME key
2. Press SELEC U ILI IES
3. Select DOSE CALIBRA OR CONFIGURA ION
4. Select ISO OPE LIS – you must now enter the password
5. he ISO OPE LIS screen is now displayed
6. Select ADD ISO OPE – the ADD ISO OPE screen will now be displayed
7. Select the ISO OPE SYMBOL and enter Ra-223
8. Select EN ER
9. Select ISO OPE NAME, type in Radium 223
10. Select EN ER
11. Select DIAL SE ING and enter 17.8 as the factory default or
enter the other dial setting you determined
12. Select EN ER
13. Select HALF LIFE
14. Enter 11.43
15. Select EN ER
16. Select HALF LIFE UNI S and toggle it until DAYS appear
17. Select EN ER
18. Select YES to save the new isotope
NOTE: You have now added Ra-223 to your isotope list.
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1. If the user has a Ra-223 NIS traceable standard sent from the manufacturer, they can
place the standard into the dose calibrator chamber and verify the factory determined
isotope setting or create their own custom dial value.
2. he dose calibrator should be on the dose calibrator measurement screen. With the Ra-223
standard in the chamber an activity is shown. Select Ra-223 from the isotope library.
Press the isotope name next to the activity reading and the dial value adjustment screen
pops up. he factory preset dial value for Ra-223 is 17.8.
3. Calculate the current decayed activity of the Ra-223 standard. If you want to adjust the dial
setting to have the dose calibrator read exactly the activity you have calculated. Use the
⇑⇓ arrows to modify your dial setting. Write down this dial value.
NOTE: What you have done does not change the system s dial setting. You must go to the
Utilities Functions and adjust the Ra-223 isotope in the system memory with the dial value
you want to use. See Section III.
4. If you press BACK in the dial value adjustment box, the system returns to the current
operation or you can just press the large isotope name next to the activity and it will return
to standard operation.