Siemens SIREMOBIL Iso-C

Adjustments / Programs 5 - 5
Siemens AG SPR2-230.061.01 Page 5 of 30 SIREMOBIL Iso-C
Medical Solutions Rev. 13 12.04 CS PS 24 System Manual
Dose rate adjustment 5
Prerequisites 5
• The "Adjustment mode" parameter in the "Doserate adjustment" parameter group has
been programmed to "semi-automatic" .
Preliminary steps 5
• Switch on SIREMOBIL Iso-C.
• Connect the service PC to the serial interface of the SIREMOBIL Iso-C.
• Start the service program.
• Select the "Diagnostics..."menu.
• Select the "Monitoring..."menu.
• Select the "Doserate adjustment" menu from the Combo Box "Group 1" .
• Click on the button "Update Start".
• The following is displayed on the service PC:
• Select the I.I. survey format ( refer to the I.I. ZOOM STATUS).
• Insert 25 mm Al and 2.1mm Cu at the radiation exit port of the SIREPHOS.
• Center the dose measurement chamber on the I.I. input screen and attach.
• The grid remains on the I.I.
Correction factors: 5
• Grid correction factor 23cm (9") I.I.: 1.5 / 27 cm (11") I.I.: 1.5
• Dose measurement chamber correction factor for Dali and Nomex: 1.06
AUTO REGULATION indicates the current status of the automatic adjustment.
(active / not active / manual / done)
BRIGHTNESS DEVIATION shows the difference in the actual brightness value minus the
nominal brightness value.
CONTROL CURVE shows the currently selected fluoro curve (default: S2, antiiso-
watt 5 mA)
ADJUSTMENT shows the operating control mode.
(Generator / Camera Iris / Stop)
I.I. ZOOM STATUS shows the current I.I. format (survey / zoom)
DOSERATE shows the dose rate selected.
(LOW / MID / HIGH)
TV-IRIS NOMINAL VALUE shows the stored or nominal TV-iris value from the learning
phase.
Note: An offset value is added to this value.
For this reason, the TV-IRIS NOMINAL VALUE and TV-IRIS
ACTUAL VALUE differ despite the correct adjustment
(BRIGHTNESS DEVIATION 0 +
3).
TV-IRIS ACTUAL VALUE shows the actual TV iris value.