Siemens AG SPR2-310.842.01.07.02 ARCADIS Varic / Orbic
12.06 CS SD 24
Adjustments 31
Page 31 of 34
Medical Solutions
X 5. Start fluoro, wait 5 seconds then press the “KV STOP” key (Fig. 10 / p. 30) on the con-
trol console.
¹ Continue fluoro.
6. Adjust dose rate by using the control console keys.
¹ The target of the dose rate value without correction factor is displayed in the sta-
tus bar "Dose rate".
¹ Use keys [+kV] and [-kV] for 1/2 exposure points.
¹ Use keys [+ mA] and [- mA] for 1/16 exposure points.
¹ The message “DONE” appears in the status bar “Auto Regulation”.
7. Stop fluoro and press the zero key (Fig. 10 / p. 30) on the control console .
¹ Adjustment for TV iris is carried out.
¹ The message “STORED” appears in the status bar “Auto Regulation”.
¹ The brightness deviation value is shown in the status bar “Brightness Deviation”.
¹ For dose rate "LOW" the brightness deviation value can be higher than 0 ±10.
8. In I. I. full format, carry out the same procedure for the dose rate “MID” and “HIGH”.
¹ For dose rate "MID" and "High" the brightness deviation value should fall within
0 ±10
¹ Use control console CFC key (Fig. 10 / p. 30) for LOW / MID / HIGH selection.
9. Select zoom format and carry out the same procedure for the “LOW”; “MID” and
“HIGH” dose rate.
10. After completing the adjustment, click on <Save>.
¹ A window appears: “Main system values were successfully saved” --> confirm
with <OK>.
Checking the dose rate in automatic mode 0
Exam set I.I. format CU filter Mode Dose
Dose rate in nGy/s at
the I.I. input with
grid correction fac-
tor 1.5
(min. ... max.)
Tolerance
Ortho/Trauma
Body reg: Leg
Reduced
Full format
until 75
±5kV is
reached
CFC Low
165
(140 ... 189)
± 15 %
Ortho/Trauma
Body reg: Hip
Standard
Full format
until 75
±5kV is
reached
CFC MID
277
(235 ... 318)
± 15 %