AGFA DX-D 600 User Manual page 169

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9.4
AEC OPERATION
9.4.1
HOW TO VERIFY THE PROPER FUNCTIONING OF THE AEC
.
Note
0242F EN 20181218
7.
When the exposure is finished, release the handswitch button.
8.
Repeat the procedure if additional exposures are desired.
The proper use of AEC requires accurate patient positioning. For examination
using AEC, the operator will need to select the desired AEC parameters as
follows:
1.
Make sure that the X-ray Tube to be used is properly warmed-up.
2.
Position the patient for the examination.
3.
Select the "workstation" and enter in AEC mode by selecting at least one
Area Detector "Field" on the NX Station or on the Ceiling Suspension
Control Console.
4.
If required, choose another "Film Screen Combination" and adjust the
"Film Density" setting ("0" is the normal setting) on the NX Station.
5.
Select the technique parameters (back-up time / mAs) using the RAD
controls on the NX Station or on the Ceiling Suspension Control Console.
6.
Continue with the radiographic operation. (Refer to Section 9.3 - - step 4.)
This procedure is not mandatory, it is only a method so that the
operator can verify the proper functioning of the Automatic
Exposure Control.
1.
Ensure that the X-ray Tube has been properly warmed up.
2.
Align and center the X-Ray Tube to the image receptor.
3.
Set a SID of 1 m (40").
4.
Collimate the X-Ray beam so that it completely covers all three Ion
Chambers (Left, Center and Right).
5.
Place on the Table-Top and within the X-Ray beam a homogeneous
phantom (e.g. a bucket with 10 cm of water) that covers all three Ion
Chambers.
6.
Set a technique, for example: 70 kVp, 250 mA, 1.0 second back-up time.
DX-D 600
User Manual
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