Symbol 6339-2 from IEC 60417 - Title/Meaning: Finger/hand placement, four fingers of right hand Function/description: To indicate that the system requests the four fingers of the right hand to be placed on the platen.[]A mirrored graphical symbol may be used to indicate that the system requests the four fingers of the left hand to be placed on the platen.
Additional information: 
The meaning of this graphical symbol depends on its orientation.
See also IEC 60417-6339-1, IEC 60417-6339-3, IEC 60417-6340-1 and IEC 60417-6340-2.
Own work using: iso.org/obp/graphics/grs/3101af5e-bcac-4cd9-b719-2c01a6267c30 200.png
Vectorization:  Mrmw