Symbol 0716A from ISO 7000 - Title/Meaning: Call for key operator; call for assistance; activation settings Function/description: On office equipment: To indicate that the help of a nominated trained operator should be obtained before further operation of the machine is attempted. On equipment in general: To indicate that an activation code is needed to download a software program or to use a software feature. To identify the control that allows the user to enter a license number or activation code for an advanced software feature.
Additional information: 
See also symbol ISO 7000-0717.
Own work using: iso.org/obp/graphics/grs/ceaed001-aee7-45de-8cdb-4fdf625881cd 200.png
Vectorization:  Mrmw