Vatech Green X PHT-75CHS - Page 74

5. Acquiring CBCT Images
68 Green X (PHT-75CHS) User Manual
4. Select the X-ray intensity.
X-ray intensity can be classified as Hard, Soft, Normal
according to the patient's head circumference.
Soft ≤ Normal ≤ Hard
Age
Group
Average Head
Circumference
(cm)
Range
(cm)
X-ray Intensity
Child 53±3
>53±3
Hard
53±3
Normal
<53±3
Soft
Adult 56±3
>56±3
Hard
56±3
Normal
<56±3
Soft
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.
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.
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.