Symbol 5471-1 from IEC 60417 - Title/Meaning: Frame by frame, video Function/description: To identify the control to operate in a frame by frame mode, i.e. for still pictures which are viewed individually.
Additional information: 
The triangle may be filled in.
For general use, see symbol 5471
Published in: Supplement M, 1994
Own work using: iso.org/obp/graphics/grs/1ed05ca8-8713-4bd1-9e10-b8f48f613295 200.png
Vectorization:  Mrmw