DR Detector Calibration|Calibrating the DR Detector|24
Ralco collimators may limit the X-ray field. To overrule the limitation, the collimator must be un-
locked using a key and the collimation must be applied manually.
Exposure Sequence
Procedure:
1. Set the mAs value to the indicative value for the first exposure level.
2. Make three exposures.
The DR Calibration Tool may instruct to increase or decrease the mAs setting to reach the re-
quired exposure level.
3. Adjust the mAs value for the second exposure level. The second exposure level is approximately
at 2/3 of the first exposure level.
4. Make three exposures.
5. Adjust the mAs value for the third exposure level. The third exposure level is approximately at
1/3 of the first exposure level.
6. Make three exposures.
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