64 Image Quality
MAMMOMAT Novation DR SPB7-250.815.06.02.02 Siemens AG
12.05 CS SD 24
Page 64 of 116
Medical Solutions
2. Select the Procedure VendorProc 1 from the examination tab card.
Fig. 42: Select procedure for grid line test
NOTE
Remember you can always add or remove images to the “Proce-
dure” by right-clicking the mouse.
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 View -> a 1:1
5. Make all exposures according to Tab. 1.
6. Activate magnification (Image -> Magnify by 2.0) and look for grid lines over the plexi
phantom area.
7. Make a not of the results (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 0
Tab. 14 Checking the visibility of grid lines
Exposure Exp Mode mAs
PMMA /
mm
Tube Angle
Visible grid lines
(yes/no)
1mAs3230 0
o
2mAs5640 0
o
3mAs11050 0
o
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