Symbol 5631 from IEC 60417 - Title/Meaning: Three component video signal (qualifying symbol) Function/description: To identify the controls and terminals to distinguish a three component video signal from those for other video signals.
Additional information: 
Published in: Supplement O, 1996,3C/293/DIS
Own work using: iso.org/obp/graphics/grs/f0df8641-d3d6-4cd8-9194-39b670ecad0d 200.png
Vectorization:  Mrmw