LITHOSTAR Multiline
RXL2-120.815.01
Page 14 of 18
Siemens AG
System manual
Rev. 02
02.05
CS PS 24
Medical Solutions
6 - 14
Checking the Dose Rate
PDA Sensor Adjustment
6
Preparations:
- Place 1.2 mm Cu filtration in the beam path.
•
Start the XCS service PC and select "Multiline" from the "Components" items after
logging in.
•
Select the menu item "Adjustment-Nominal Value" and enter the following values:
•
Select "Doserate Adjust" in the "Adjustment" menu and with Fluoro on, change the mA
until a dose rate of 870 nGy/s is measured at the I.I. input without a grid or 1444 nGy/s
with a grid:
Message line:
Start fluoroscopy with
ON
.
•
Set the dose to
870 nGy/s
(100 uR/s) at the I.I. input by increasing the tube current
(nominal value for PDA).
•
Remove the dose measurement chamber.
•
Open the collimator to max. aperture.
•
Remove the cover of the light distributor.
Full format:
278
Zoom 1:
640
Zoom 2:
1056
Zoom 3:
1056
The room must be darkened for this adjustment, otherwise stray
light will distort the setting.
2,23
5
6
4
change mA, until the
desired dose is displayed
on the dosimeter
(record the dose setting)
NOTICE