Telling the Story - The Art and Technique of Digital Color Correction - page 328

That's why clients are important. Because you need somebody telling
you . . . where something's supposed to go.
- Janet Falcon, Shooters Post
Fig. 8.1
Fig. 8.2 Tektronix WVR7100. Upper left: RGB Parade. Upper right: composite waveform. Lower right: vectorscope. Lower left: RGB Parade
expanded to see blacks.