MAMMOMAT
Novation
DR
SPB7-250.815.02 Page 2 of 20 Siemens AG
System Rev. 02 09.04 CS SD 24 Medical Solutions
9 - 2 Image Quality
2. Select the Procedure User 1 from the examination tab card.
3. Select the exposure parameters: 28 kV and Mo/Mo.
4. Make sure that a 1:1 view is selected, to have a better view.
Select Image -> Change Layout -> a 1:1
5. Do all exposures according Tab. 1.
6. Activate magnification (Image -> Magnify by 2.0) and look for grid lines over the
plexi phantom area.
7. Note the result (visible grid lines) in Tab. 1, choose the next image in the list and
start over with step 5 until all images are evaluated.
Test 1 Protocol
Remember, you can always add or remove images to
the "Procedure" by using the right mouse click.
Exposure Exp Mode mAs
PMMA /
mm
Tube Angle
Visible grid lines
(yes/no)
1 mAs 32 30 0
o
2 mAs 56 40 0
o
3 mAs 110 50 0
o
4AEC "H"- 40 0
o
5 AEC "H" - 40 + 60
o
6AEC "H"- 40 - 60
o
Tab. 1 Checking visibility of grid lines
Fig. 2 Select Procedure for grid line test
NOTE
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