Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic
12.06 CS SD 24
Adjustments 9
Page 9 of 34
Medical Solutions
Generator Adjustment Check 2.1
1. Click on <Go> to activate “Multiple Exposure”.
¹ The system is now in direct exposure mode.
2. Select 81 kV with the kV+ / kV- keys and 8 mAs with the mAs+ / mAs- keys
3. Connect oscilloscope channel 1 to D1.X46, ground at 0V for "mA ist".
¹ Set the sensitivity to 2 V / Div. (1 V = 2.5 mA).
4. Connect oscilloscope channel 2 to D1.X48, ground at 0 V for "kV ist".
¹ Set the sensitivity to 2 V / Div. (1 V = 20 kV)
¹ Set the time to 5 ms / Div.
X 5. Release an exposure with the hand switch and store the oscillogram.
6. Evaluate the oscillogram (Fig.1/p.9), tolerance for the mA curve:
¹ The tube current must reach 13 mA ± 1.5 mA within 3 ms
7. Click on <Go> to stop the direct exposure mode.
8. If the tube current (Fig.1/p.9) exceeds the specified tolerances, the generator adjust-
ment and the mAs counter adjustment must be repeated.
Fig. 1: Generator adjustment
To Next Page
Loading...
