Symbol 5291 from IEC 60417 - Title/Meaning: Picture-in-picture mode Function/description: To identify the control for picture-in-picture mode, in which a second picture is shown on the screen obscuring a part of the main screen picture.
Additional information: 
Minor editorial improvement agreed by the Change Request was reflected after the release on 2002-10-07
Published in: Supplement K, 1991
Own work using: iso.org/obp/graphics/grs/de80d17c-655a-4104-bdb6-abccbba8d8e2 200.png
Vectorization:  Mrmw