Symbol 5530-1 from IEC 60417 - Title/Meaning: Colour video output, analogue Function/description: To identify controls and connecting terminals specifically meant for analogue colour video output.
Additional information: 
Published in: Supplement O, 1996,3C/293/DIS
Own work using: iso.org/obp/graphics/grs/69d3fa85-c5b6-4392-950f-6b72c84fd30f 200.png
Vectorization:  Mrmw