System Operation
Unit Movements
10 / 94 AXA4-100.620.08.01.02 Operator Manual
Basic positions of the units
General basic positions
C-arm A C-arm can be in the following basic positions:
o C-arm rotation 0°
o C-arm angulation 0° (FD overtable position)
And with Artis dMP:
o C-arm rotation 180° (FD undertable position)
In this position the C-arm is rotated through 180° so that the FD is under the
patient.
Patient table The patient table can be in the following basic positions:
o Table tilt horizontal (0°)
o Table height isocenter
o Tabletop center position (Artis dMP only)
Isocenter The isocenter is the center of rotation, the fixed point of a C-arm. If an organ is in
this center of rotation, the image of the organ remains in the same place on the
monitor during C-arm angulations.
➩ “Stopping in the isocenter” on page 24.
Stopping in the basic positions
By pressing a button, you can release stops for C-arm movements beyond a basic
position.
u Press the zero stop button.
– The LED lights up.
– Movements stop at the basic positions.
u If you now release the button and operate the operating element again, move-
ment is resumed.
No stop u Press the zero stop button again.
– The LED goes out.
– Movements are executed continuously beyond the basic positions.
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