56 Grid
MAMMOMAT Novation DR SPB7-250.841.01.04.02 Siemens AG
05.05 CS SD 24
Page 56 of 64
Medical Solutions
- Select time base 0.4 s/T.
- Switch the system ON.
- Select 28 kV, Mo/Mo, 500 mAs.
- Release an exposure.
- Evaluate the oscilloscope diagram.
Fig. 34: Sample oscilloscope diagram
The high-voltage period in a steady state condition (after the 3rd period) has to be
between 500 ms and 750 ms (Fig. 34 / p. 56).
4. If the grid lines are still visible after this process, increase, i.e.( change), the grid slow
speed from 40% to 50% and check this test again.
5. If the grid's slow speed was changed, back up the stand data.
Final steps
Reinstall the covers.
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