User Manual
RiX 70 DC
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4. Place the patient, who must wear the appropriate protective lead apron (not supplied by Trident
Dental), in the right position.
5. Position the image receptor where needed and orientate the tube-head accordingly. Operate
with the edge of the collimator in contact with the ring of the centering film (optional, not
provided) or with the patient's face.
6. Take the exposure hand-switch and move to a convenient position of at least 2 m far from the
patient.
7. Press the exposure pushbutton. The yellow light indicates X-ray emission. Keep the exposure
pushbutton pressed until the yellow light are switched OFF to indicate the end of the exposure.
8. Hook back the exposure hand-switch and process the image receptor exposed.
Warning
If the exposure pushbutton is released before the end of the requested time, the
radiation emission is terminated and an alarm is generated.
To use the rectangular collimator it’s necessary to select the right setting from the
User’s Menu
3. 5 Pre-set exposure time
RiX70 DC calculate exposure times as per the following tables:
CAUTION
The following values, set as default values, are based on the quality image
evaluation. The effective set of those values depends on many aspects as per
the user preference (contrast, brightness etc..) and per patient mouth anatomy.
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