Symbol 6089A from IEC 60417 - Title/Meaning: Menu invocation key Function/description: Alternative graphical representation. Same meaning as IEC 60417-6089.
Additional information: 
Sequence number in ISO/IEC 9995-7 is 112.
Own work using: iso.org/obp/graphics/grs/60108788-1ad9-4214-95a4-99dd5a926db4 200.png
Vectorization:  Mrmw