Symbol 5515 from IEC 60417 - Title/Meaning: Picture-in-picture, swap Function/description: To identify the control by which the picture-in-picture (PIP) and the main picture can be exchanged.
Additional information: 
PIP = Picture-in-Picture
Title was editorially improved.
Own work using: iso.org/obp/graphics/grs/c4b24901-d2c1-4767-b41e-a0aed6e34924 200.png
Vectorization:  Mrmw