Symbol 5435 from IEC 60417 - Title/Meaning: Brightness and contrast Function/description: To identify a combined control for brightness and contrast.
Additional information: 
Title was editorially improved.
Own work using: iso.org/obp/graphics/grs/43e3b07c-3afc-4348-9df7-cfc4bb7d9078 200.png
Vectorization:  Mrmw