Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic
12.06 CS SD 24
Adjustments 23
Page 23 of 34
Medical Solutions
4. Enter the chamber constant from the monitor acquisition task card under <Main Sys-
tem>-<Configuration>-<Option> “DAP chamber resolution”.
¹ With “DAP” display: Multiply the monitor value by 100 and enter the 4 digits (e. g.
49.97 x 100 = 4997).
¹ With “Air Kerma” display: Enter the first 4 digits from the monitor value. (e. g.
4997.2 = 4997).
5. Click on <Finish>.
6. Continue with “DAP accuracy check” or “Air Kerma accuracy check”.
PTW - chamber test and adjustment
1. Read out the TW constant from the previous page or under <Main System>-<Configu-
ration>-<Options>.
2. Click on <Go> to start the DAP test.
¹ Status bar: success
3. Read out the DAP constant from the ARCADIS monitor at the acquisition task card.
4. Click on <Go> again to stop the DAP test.
¹ Status bar: success
¹ Window appears: Calibration is finished --> confirm with <OK>.
¹ The main system restarts.
5. Compare these two values.
¹ The DAP constant TW and the value from the ARCADIS monitor acquisition task
card should be equal.
Fig. 6: Dose Area Product Adjustment
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