Fona XPan 3D Plus, Руководство по эксплуатации

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Operating Instructions
26
x
The light beam (red line) falls in front of the
canine (green line).
ƒ The roots of the incisors fall outside the
layer in focus.
ƒ The front teeth appear blurred and
proportionally larger.
ƒ Move the rotating arm backward (away
from the column) to correct.
7.5. RELEASING THE EXPOSURE
ATTENTION:
Operator: observe the radiation protection guidelines (see chapter 1, Warning and Safety
Notes). Before releasing the exposure always check display for proper exposure data for
the patient.
Move arm to START position using the RETURN Arm Movement key or the EXPOSURE
key on the hand switch for short time.
READY
GREEN LIGHT ON
RETURN Arm Movement to bring the arm from PATIENT ENTRY position to START
position, ready to start the exposure.
When the unit reaches START position the green light of the READY indicator on the
control panel is turned ON.
ATTENTION:
Should you need to reposition the patient, the arm has to be moved from the START
position back to the PATIENT ENTRY position keeping pressed the BACK key: see
Resetting Carriage in PATIENT ENTRY position, in the following.
Run the acquisition program on PC to receive the radiographic image being created, as
described in section 5 Application Software on page 11.
Go to the area designated for the operator behind the patient, three meters away from the
column, or exit the room always keeping an eye on the patient, ready to immediately
interrupt radiation if necessary.
The exposure is released by keeping the exposure key pressed till end of movement.
The rotation movement runs automatically in accordance with the exposure program
selected.
During the X-Ray emission, a yellow light is ON both on control panel and X-Ray button
and an acoustic signal is activated.
ATTENTION:
For safety reasons the operator can terminate the exposure any time by releasing the
exposure switch. Premature termination is signaled by an error message (see details in
the following).
Premature termination is signaled by an error message:
Error 11: Exposure aborted during irradiation.
The patient has been partially exposed. Part of the radiograph is being available.
Examination may have to be repeated.
Error 12: Exposure aborted before irradiation.
The patient was not irradiated.
Examination to be restarted.
Error 20: Exposure aborted after irradiation.
No need to repeat the examination.