Is an adjustment in the user menu for setting the intensity of black. When brightness is set correctly the lowest level signal above black should be barely visible.

The attribute of visual sensation according to which a given visual stimulus appears to be more or less intense. Differences in brightness range from bright to dim.” [2

The subjective perceived illumination.

the intensity of the shades in an image.

In NTSC and PAL video signals, the brightness information at any particular instant in a picture is conveyed by the corresponding instantaneous DC level of active video. Brightness control is an adjustment of setup (black level, black reference).

The black level of a video display image.

The higher the brightness ratio the more vibrant the picture will appear.

represents the intensity of illumination of the reproduced picture.