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First installation 58
Display function
Select the required display function from the drop-down list. For most
medical viewing applications, we recommend you select the DICOM
display function, as this function results in the most visible grayscales.
If you select Gamma, you can enter a display gamma value if the imaging
board head, to which the display is connected, has an editable gamma
table.
Dynamic Gamma is a gamma function that is shifted to take into account
the non-zero luminance of an LCD panel when driven with a “black”
signal.It results in more contrast in the darker image areas.
It is especially useful in CT applications to improve the perception of low
Haunsfield values.
If you select Uncorrected, the program fills the imaging board gamma
table with a linear function.
Ambient light compensation
Check this option if you want to compensate for the influence of the
ambient light on the image. Especially when you have selected a DICOM
or CIE display function, we advise to switch on this compensation to
obtain a better display performance.
Glare compensation
Check Glare Compensation if you want to compensate for the influence of
the bright parts on the dark parts of the image.
This option is always on (and grayed) if a DICOM display function is
selected.
2.8 Calibrating displays
After defining the display’s Preset, the display is calibrated. This is
described in detail in “Calibrating displays” on page 68.
2.9 Setting up the Q/A schedule
When every display in the configuration has the correct Preset values and
is calibrated successfully, you need to set up the schedule of Q/A tasks
that is appropriate for this viewing station.
To access MediCal Pro’s default Q/A schedule, click on the Q/A Setup...
button in the main window. You can also add additional tasks if needed.
For more information, please refer to “Setting up a Q/A task schedule” on
page 74.
Note: Do not forget to check and, if necessary, change the trigger settings
for the different Q/A task categories (see below).