
GammaCompMD QA Client User Manual
Copyright © NEC Display Solutions Ltd., 2006 -2015 71
NOTE: This function is useful to lift the black level and make the dark portions of a typical
DICOM image more visible against reflections of the ambient light on the LCD panel of a
display. Due to this reason, regional/national obligations as well as recommendations from
clinical studies may require raising the black level of diagnostic imaging displays.
Calculate from Contrast Ratio button
Displays the Custom Black Luminance Level dialog box, as shown in
Figure 48.
Figure 48: Custom Black Luminance Level selection
Measure Ambient Light button
If an external sensor is connected to the system, which is capable
of measuring ambient light, the Ambient Light Measurement
screen, as shown in Figure 49, is displayed.
Figure 49: Ambient Light Measurement Screen
A screen is displayed which describes the purpose of measuring the ambient light. Click on
the Continue button at the bottom left of the screen to start. Please follow the instructions
on the screen. After the measurement,
Comentarios a estos manuales