Siemens AXIOM Iconos R200, Operator'S Manual, Page: 48 / 238

System Overview
Operating and Display Elements
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AXD3-340.620.13.01.02 Operator Manual
Prefilter selection
Motorized prefilter selection
1
◆ To select a prefilter press the prefilter selection button.
– The Cu prefilter changes to the next value each time the button is pressed
– Possible settings are:
0.0 mm Cu (no) prefilter
0.1 mm Cu prefilter
0.2 mm Cu prefilter
0.3 mm Cu prefilter
– The currently selected prefilter is shown in the display.
Manual prefilter selection
2
Manual prefilter selection is performed using two levers (1) on the left side of the
multileaf collimator.
Four combinations of lever positions are possible:
❏ 0.0 mm Cu (no) prefilter: Set both levers to the left
❏ 0.1 mm Cu prefilter: Set the upper lever to the right and the lower lever
to the left
❏ 0.2 mm Cu prefilter: Set the upper lever to the left and the lower lever
to the right
❏ 0.3 mm Cu prefilter: Set both levers to the right
Caution
Malfunctioning of prefilter
Incorrect radiation dose
◆ Take care of correct filter setting on manual prefilter
1
Not with variant PBL II
2
Only with variant PBL II
(1)