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General Operation
20
VTM-2000 Installation and Operation Handbook
Table 3-6. Video Formats and Critical Amplitude Limits
Video Format
Critical Amplitude Limits
Standard Definition
0.6125 V = upper 75% chroma limit
0.525 V = 75% luminance limit
0.350 V = 50% point; black for color
difference channels
0.0875 V = lower 75% chroma limit
Composite (NTSC)
7.5 IRE – black level
78 IRE – flesh tone
A waveform display is shown in
Figure 3-6
and described in
Table 3-7
. The figure shows the
location for the various waveform display fields.
Figure 3-6. Waveform Display Diagram
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