GRASS VALLEY EDIUS VERSION 5.1 User Reference Manual page 587

Verifying Color Data for TV Display
Figure 701. High Luminance Clip Waveform
A clip with low luminance will have a waveform such as the one illustrated
in Figure 702. In this example, a large portion of the clip is at an IRE level
lower than IRE 7.5 (IRE 0 in Japan) and some portions are lower than the
IRE -20 level.
Figure 702. Low Luminance Clip Waveform
To adjust the IRE of a clip within the safe range of IRE 7.5 (IRE 0 in Japan)
to IRE 100, do the following:
1. Apply the Color Balance filter to the clip.
2. Open the Color Balance dialog by double-clicking the Color Balance
filter in the Information Palette.
EDIUS — User Reference Guide 587