Symbol 5289 from IEC 60417 - Title/Meaning: Application assistance Function/description: To identify the control for application assistance, e.g. revealing or concealing supplementary information on the screen.
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/e5ce9915-d4c7-4e0d-85d9-0580b9313620 200.png
Vectorization:  Mrmw