Samsung SyncMaster XL20 Owner's Manual page 59

Using the Uniformity tab, you can improve the uniformity of your Edison monitor. This tab
measures and improves the uniformity for your monitor.
How to use
Select a number of points of the window you want to measure and click the Start button.
These processes are the same as steps 2 and 3 of Calibration.
After measuring the uniformity for the center window, move and attach your Calibrator from
the top left to the right of your monitor whenever a message appears and measure the
uniformity for each location.
When finished, the program will automatically improve the uniformity of your monitor.
| Calibration
Miscellaneous
| Emulation | Uniformity | Miscellaneous |