Siemens MAMMOMAT NovationDR, Руководство по установке, Страница: 41 / 95

4-4
February 5, 2004
FFDM-S Service Manual
AGD Use this to select the desired Average Glandular Dose to be used in calculating the mAs value
for calibration. In a future version, this value will be logged on the end of the goal table
fi le. The
default is 1.5 mGy (150 mR).
kV Use this to indicate the kV to be used during the calibration. This selection in the AEC
Calibration Tool window does not actually change the Generator settings, but is intended to
serve as a reminder to the user what the current Generator settings are. The default is 28 kV.
mAs Use this to indicate the mAs to be used during the calibration. This selection in the AEC
Calibration Tool window does not actually change the Generator settings, but is intended to
serve as a reminder to the user what the current Generator settings are.
Goal Images Use this to select the number of goal images to be taken and averaged together to create the
goal table. Select 1 to 4 images.
Enable Capture button Use this to enable the DRAPI for image capture. If the Status Window is green and displays
“DRAPI Armed”, it is not necessary to use this button. This button will only work when the status
window is yellow and displays “DRAPI Ready”. Clicking on this button will clear the Radiation
Entry
fi eld.
Units Use this to select the radiation units to be used. Choices are R/mR or Gy/mGy. When this
selection is changed, the AGD setting will change to convert the value to the current units. The
display in the instructions
fi eld after each exposure will also report in the selected units.
Reading Use this fi eld to enter the dosimeter reading as instructed following each exposure for HVL or
ESE determination. Enter the numerical characters in the fi eld and click the
Submit
button. The
last entry will be cleared whenever the Enable Capture button is pressed.
Submit button Use this button to submit a radiation entry.
Status •
“DRAPI Not Ready” (white). The DRAPI is processing the previous exposure.
•
“DRAPI Ready” (yellow). The DRAPI is ready to be enabled for exposure.
•
“DRAPI Armed” (green). The DRAPI is ready for exposure. Press the Generator exposure
buttons to expose.
Table 4-1. AEC Calibration Tool Functions and Options (cont.)
Function/Option Description