IEC 5008, the power off (circle) symbol on a button or toggle, indicates that using the control will disconnect power to the device. It comes from the binary system (0 means off).
Category: Media Control Symbols.
More symbols in Power symbols:
A power symbol is a symbol indicating that a control activates or deactivates a particular device. It incorporates line and circle figures, with the arrangement informed by the function of the contro… read more »
More symbols in Media Control Symbols:
In digital electronics, analogue electronics and entertainment, the user interface of media may include media controls or player controls, to enact and change or adjust the process of watching film o… read more »