Vatech Green X PHT-75CHS - Page 49

4. Acquiring CEPH Images (Optional)
Green X (PHT-75CHS) User Manual 43
English
5. Select X-ray intensity.
Depending on the circumference of the patient’s head, X-ray
intensity may be classified as Hard, Normal, or Soft:
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
6. The values of tube voltage and current are configured automatically according to
the patient's gender/age group and X-ray intensity. Click the UP/DOWN arrow to
adjust kVp and mA. The dose is adjustable by ±1 kVp and ±0.1 mA, respectively.
7. Click the CONFIRM button when the exposure parameter setting is completed.
When you click the CONFIRM button,
 The DAP (Dose Area Product), Scan Time and Exposure
Time will be displayed below the Scan Information
window.
8. Guide the patient to the equipment.