Symbol 5802 from IEC 60417 - Title/Meaning: Screen selection Function/description: To identify the control or the indicator to select one of two adjacent screens.
Additional information: 
The graphical symbol is shown with the right screen selected
Published in: 3C/1365/CDV,3C/1421/RVC
Own work using: iso.org/obp/graphics/grs/edb6ec0e-bd53-4d86-ad84-c0ded674ea45 200.png
Vectorization:  Mrmw