Power symbol - ENT Medicals Disposables - Nose Rinsing Device

Definitions IEC 5007, the power on (line) symbol

, appearing on a button or one end of a toggle switch indicates that the control places the equipment into a fully powered state. It comes from binary system (1 or | means on) 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 binary system (0 means off) IEC 5010, the power on-off symbol (line within a circle), is used on buttons that switch a device between on and fully off states. IEC 5009, the standby symbol (line partially within a broken circle), indicates a sleep mode or low power state. The switch does not fully disconnect the device from its power supply. This may appear on a toggle switch opposite a power on symbol, alone on a pushbutton that places the device into a standby state, or alone on a button that switches between on and standby. Alternatively, under IEEE 1621, this symbol simply means "power". A crescent moon, indicating sleep, is added by IEEE 1621 as a replacement for the standby symbol. Standby symbol ambiguity Because the exact meaning of the standby symbol on a given device may be unclear until the control is tried, it has been proposed that a separate sleep symbol, a crescent moon, instead be used to indicate a low power state. Proponents include the California Energy Commission and the Institute of Electrical and Electronics Engineers. Under this proposal, the older standby symbol would be redefined as a generic "power" indication, in cases where the difference between it and the other power symbols would not present a safety concern. This alternative symbology was published as IEEE standard 1621 on 2004-12-08. In popular culture The standby symbol, frequently seen on personal computers, is a popular icon among technology enthusiasts. It features prominently in the Applegeeks webcomic, and can even be found on T-shirts. It has also been used in corporate logos, such as for Gateway, Inc. (circa 2002) and Exelon, and even as personal tattoos. See also List of international common standards References Wikimedia Commons has media related to (category): IEC 5007or IEC 5008or IEC 5009or IEC 5010 ^ a b c Lawrence Berkeley National Laboratory (December 2002). "The Power Control User Interface Standard (consultant report)" (PDF). California Energy Commission. http://www.energy.ca.gov/reports/2003-10-31_500-03-012F_APP.PDF. Retrieved 2007-04-26. ^ Nordman, Bruce (2005-05-02). "Power Control Made Easy". EE Product News. http://www.eepn.com/Locator/Products/Index.cfm?Ad=1&ArticleID=31710. Retrieved 2007-04-26. ^ Lawrence Berkeley National Laboratory (December 2002). "Draft Standard for User Interface Elements in Power Control of Electronic Devices Employed in Office/Consumer Environments (consultant report)" (PDF). California Energy Commission. http://www.energy.ca.gov/reports/2003-10-31_500-03-076F.PDF. Retrieved 2007-04-26. ^ "Save Energy at Your PC; Energy Scientists Propose Color-Coding Standard for PC Sleep Mode". American Institute of Physics. 2005-06-01. http://www.aip.org/dbis/HFES/stories/15017.html. Retrieved 2007-04-26. ^ "Power Management Controls - User Interface Standard - IEEE 1621". IEEE. http://eetd.lbl.gov/Controls/1621/1621index.html. Retrieved 2007-04-26. ^ http://www.thinkgeek.com/tshirts/generic/586b/] IEC/ISO Database on Graphical Symbols for Use on Equipment ISO/IEC/JTC1 Graphical Symbols for Office Equipment, Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory Categories: Pictograms

Power symbol - ENT Medicals Disposables - Nose Rinsing Device

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