Symbol 5893 from IEC 60417 - Title/Meaning: Electronic shutters, close Function/description: To identify the control to narrow electronic shutters to conceal from view a part of an image displayed on medical equipment.
Additional information: 
See also the symbol 5894
Description was editorially improved on 2007-12-21
Published in: 3C/1312/FDIS, 3C/1369/RVD
Own work using: iso.org/obp/graphics/grs/982523c8-769a-4b7b-b9cb-7c3da719fcd8 200.png
Vectorization:  Mrmw