Planmeca Proline EC ceph, Technical Manual

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Chapter D - ADJUSTMENT & CALIBRATION
Planmeca Proline EC X-ray unit D-11
PATIENT POSITIONING MECHANISM
Technical Manual
3 PATIENT POSITIONING MECHANISM
3.1 Checking the mechanism
You should take an exposure of the ball phantom to check that the patient positioning mecha-
nism is correctly positioned.
Figure 12
Move the cassette carriage to the loading position. The patient positioning lights will come on
when the carriage stops moving.
Slide the ball phantom into the patient positioning mechanism.
Adjust the position of the patient positioning mechanism to 00.
In the darkroom open the cassette and place a film inside the cassette and then place a piece
of paper the same size on top, the paper will reduce the radiation that reaches the film. Close
the cassette.
Figure 13
Slide the cassette into the cassette holder. Make sure that you push it all the way in.
Enter the service mode.
Select a kilovolt value of 60 and a milliampere value of 2. Note that it is only possible to select
these values in the service mode.
Exit the service mode.
Drive the X-ray unit to the exposure position. The rotating unit will turn to the start position and
the indicator light will come on.
START
END
PLANMECA
No.50971
X-LINE
Y-LINE
mm
00
Cassette
Film
Paper
mA
2
kV
60
READY
PRET