Siemens SIREMOBIL Iso-C

© Siemens, 2008 SPR2-230.840.01.01.02 SIREMOBIL Iso-C
08.08 CS PS SP
Adjustments / Programs 47
Page 47 of 148
For internal use only
x Click "Parameter" in the backup window.
x Then click "Backup".
x Enter "dose rate set" under "Remarks for Parameter".
x Then click "OK" . The parameters are stored to disk.
x You can now exit the service program.
Checking the dose rate in automatic mode 0
NOTE
Checking the dose rate in zoom format with a dose rate mea-
surement chamber that is not completely irradiated may lead
to incorrect measurements.
x Center and reattach the dose measurement chamber to the I.I. input screen. .
x Set kV mA curve HC1 (3 mA plateau curve). If necessary, temporarily program the HC1
curve.
X
x During automatic mode (kV STOP is off), check the dose rate for dose rate levels LOW
/ MID / HIGH for the survey and zoom format. Take into account the correction factors
for the grid and the dose measurement chamber. If necessary, temporarily change the
dose rate levels and kV mA curves. Tolerance margin for the dose rates: ± 15%.
x Set kV mA curve HC2 (5 mA plateau curve). If necessary, temporarily program the HC2
curve.
X
x During automatic mode (kV STOP is off), check the dose rate for dose rate levels LOW
/ MID / HIGH for the survey and zoom format. Take into account the correction factors
for the grid and the dose measurement chamber. If necessary, temporarily change the
dose rate levels and kV mA curves. Tolerance margin for the dose rates: ± 15%.