AGFA DX-D 400 User Manual page 108

DX-D 400
User Manual
5.1.4 FOCAL SPOT INDICATOR
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Note
98
A Focal Spot indicator shows the selected Focal Spot of the X-ray Tube: "Small"
or "Large".
The Focal Spot is changed by touching this indicator. It keeps kVp and constant
mAs, whenever it is possible. The mA value available is set according to
maximum power, instantaneous power, space charge, etc.
When a Focal Spot is selected, it sets the highest mA value available for the
selected Focal Spot and the respective Exposure Time in order to keep constant
mAs. If the highest mA value available coincides with the maximum mA station
of the Generator, it sets one mA station below of the maximum mA station of the
Generator.
The Focal Spot change can be done whenever the present
conditions of the X-ray Tube allow it. The mA station set for the
Focal Spot change is configured by the field engineer during the
installation.
0232F EN 20191213