Planmeca Proline EC ceph, Техническое руководство

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Chapter D - ADJUSTMENT & CALIBRATION
D-40 Planmeca Proline EC X-ray unit
CEPHALOSTAT ADJUSTMENT
Technical Manual
9.6 Checking the cephalometric beam alignment
Enter the ceph mode. Press and hold the P key until you have heard two audible signals. The
latest used exposure mode number starts to flash on the main display.
Select the cephalometric exposure mode number 4 (CPH4) with the program selection keys.
The rotating unit and cassette carriage will move automatically to the correct position for tak-
ing cephalometric exposures.
Enter the service mode, see section “How to enter/exit the service mode” on page B-6.
Orientate the cephalometric beam alignment tool so that it is vertical and then place it in the
cephalometric cassette holder. Position it so that it is on the left of the cassette holder.
Figure 44
Press and hold the P key until you have heard two audible signals. The latest used exposure
mode number starts to flash on the main display. Select the cephalometric exposure mode
number 4 (third collimator slot) with the program selection keys. The text CPH4 will appear on
the main display.
Stand behind the tubehead and protect yourself from radiation. Press and hold down the
exposure button. The image of the radiation beam from slot number 4 will appear on the
alignment tool.
NOTE The soft tissue filter will filter a narrow area of the left side of the radiation beam.
The radiation beam must appear within the borders of the rectangle marked on the alignment
tool. If it does not refer to section“Primary slot adjustment, Planmeca Proline EC Pan/Ceph X-
ray” on page D-8.
Figure 45
P
4 5
6
PLANMECA PM 2002 Proline Cephalostat 18x24 No. 652232
Soft tissue filter 0mm
Positioning light 0mm
Positioning light 25mm
Cassette
holder
Beam
alignment
tool
P
4 5
6
PLANMECA PM 2002 Proline Cephalostat 18x24 No. 652232
Soft tissue filter 0mm Positioning light 0mm
Positioning light 25mm
Fourth primary slot
Beam