Apple Final Cut Pro 7 - Manual (Page 1335)

Note: NTSC and PAL video have brightness and contrast levels that are very different
from those of RGB computer displays. Broadcast video viewed on a computer display
often looks dull and dark, whereas the same video viewed on a broadcast monitor will
be bright and clear. For this reason, the color bars above are shown for reference only
and not to reflect what you should be seeing.
1335 Chapter 78 Measuring and Setting Video Levels