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6.4.2 Adapting brightness and contrast
The brightness and contrast must be adjusted for the respective graphics card in the system
on site due to different output levels.
Note
The exact brightness and contrast settings are only possible with a photometer.
Perform the following steps unless a specific procedure is specified for the system.
Adjustment of brightness and contrast
Note
The auto function for adjusting brightness and contrast is only available for analog signals.
The picture quality for digital video signals is already optimized, and adjustment is not re-
quired.
1. Use the SMPTE test pattern for the display.
2. For the "Configuration auto" function in the "Geometry" menu, set the "Brightness/Con-
trast" parameter to "On".
3. Select the "Perform auto adjustment" function the "Geometry" menu.
4. For the "Configuration auto" function in the "Geometry" menu, set the "Brightness/Con-
trast" parameter to "Off".
ð The automatic values for brightness and contrast are set. Optimization of brightness and
contrast may be necessary depending on the graphics card.
Therefore, perform the following steps.
Optimizing the values for brightness and contrast
1. Direct the photometer toward the black level (0% field) of the SMPTE test pattern.
2. Change to the "Image" menu in the OSD.
3. Using the "Brightness" function, reduce the brightness value until the measured lumi-
nance no longer falls.
4. Increase the brightness value a little:
ð This is the optimum brightness value.
5. Direct the photometer toward the white level (100 % field) of the SMPTE test pattern.
6. Using the "Contrast" function, find the contrast value at which the luminance remains con-
stant.
7. Lower the contrast value until there is an initial change in brightness.
ð This is the optimum contrast value.
8. Exit the OSD to save the values.
ð You have set the brightness and contrast for optimized display of the 5% and 95%
squares of the SMPTE test pattern.
CuratOR EX190
Instructions for Use, 06/2022
6.4 Adapting the monitor to an analog video source
Commissioning
25
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