VATECH Green X Handbuch Seite 74

5. Acquiring CBCT Images
4.
Select the X-ray intensity.
5.
The tube voltage and tube current values are automatically set according to the
patient's performance and X-ray intensity. If you click the arrow button, you can
make fine adjustments in ± 1 kVp, ± 0.1 mA increments.
6.
After setting the Exposure conditions, click the CONFIRM button.
7.
Guide the patient to the equipment and align the patient's posture. For more
information on patient posture alignment, see section 5.3 Patient Positioning.
68
X-ray intensity can be classified as Hard, Soft, Normal
according to the patient's head circumference.
Soft ≤ Normal ≤ Hard
Average Head
Age
Circumference
Group
Child 53±3
Adult 56±3
When you click the CONFIRM button,
 The rotating unit moves to the initial position.
 The vertical beam is activated.
 Below the Scan Information window, DAP (Dose Area
Product), Scan Time, Exposure Time values are
displayed.
Range
(cm)
(cm)
>53±3
53±3
<53±3
>56±3
56±3
<56±3
Green X (PHT-75CHS) User Manual
X-ray Intensity
Hard
Normal
Soft
Hard
Normal
Soft