While no OSD Menu is on the screen, press the Up/Down keys to adjust the brightness as desired. The brightness will be displayed in a window in the upper-left corner.
Note: by pressing the Up/Down keys simultaneously, the default brightness will be restored (400 cd/m² in DICOM modes and 57% in COLOR modes).
Note: brightness ranges from 40 cd/m² to 600 cd/m² in DICOM modes and from 5% (about 90 cd/m²) to 100% (about 700 cd/m²) in COLOR modes.
