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> No, the one-inside-a-circle symbol does not indicate a toggle between off and on, as this article "surmises". According to https://en.wikipedia.org/wiki/Powe

> No, the one-inside-a-circle symbol does not indicate a toggle between off and on, as this article "surmises". According to https://en.wikipedia.org/wiki/Power_symbol#Standards https://en.wikipedia.org/wiki/Power_symbol#Standards, "one inside a circle", IEC 60417-5010, is a fully-on/fully-off toggle. The "one breaking a circle" symbol, IEC 60417-5009, is a fully-on/standby toggle.

saalweachter 3y ago
This makes ⏻ even more appropriate as a fashionable T-shirt design, since I too only toggle between an on and sleep state, and never* fully power off.
- rezonant 3y ago
  Eventually we all become the O.
  - saalweachter 3y ago
    Yeah, but we hardly ever toggle back on.
mrexroad 3y ago
Interesting! Per your Wikipedia link… there was an early ‘00s proposal for a dedicated sleep symbol: line through a crescent moon. Same proposal would have defined line-through-circle as the generic power symbol. Though, this was superseded with standard for using only a crescent moon to indicate standby. “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 symbolism was published as IEEE standard 1621 on December 8, 2004.” Edit: formatting, verbosity.
- contingencies 3y ago
  there was an early ‘00s proposal for a dedicated sleep symbol: line through a crescent moon This may have been avoided owing to strong potential of religious misinterpretation.
quietbritishjim 3y ago
Agreed but the "one breaking a circle" stand by symbol, IEC 60417-5009, is what the article seemed to be referring to by "one inside a circle", given the pictures shown. I just copied their imprecise description.
- CharlesW 3y ago
  Ah, I see now, thank you.
- gorlilla 3y ago
  I'm glad you clarified. The symbol has always represented an open 'O' vs closed '|' circuit to me (never bothering to look at the standards). The fully inside vs breaking is still fitting in that context.
troymc 3y ago
I don't think I've ever seen the ⏼ symbol, only ⏻, but maybe I'm weird.

saalweachter 3y ago

This makes ⏻ even more appropriate as a fashionable T-shirt design, since I too only toggle between an on and sleep state, and never* fully power off.

rezonant 3y ago
Eventually we all become the O.
- saalweachter 3y ago
  Yeah, but we hardly ever toggle back on.

mrexroad 3y ago

Interesting! Per your Wikipedia link… there was an early ‘00s proposal for a dedicated sleep symbol: line through a crescent moon. Same proposal would have defined line-through-circle as the generic power symbol. Though, this was superseded with standard for using only a crescent moon to indicate standby. “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 symbolism was published as IEEE standard 1621 on December 8, 2004.” Edit: formatting, verbosity.

contingencies 3y ago
there was an early ‘00s proposal for a dedicated sleep symbol: line through a crescent moon This may have been avoided owing to strong potential of religious misinterpretation.

quietbritishjim 3y ago

Agreed but the "one breaking a circle" stand by symbol, IEC 60417-5009, is what the article seemed to be referring to by "one inside a circle", given the pictures shown. I just copied their imprecise description.

CharlesW 3y ago
Ah, I see now, thank you.
gorlilla 3y ago
I'm glad you clarified. The symbol has always represented an open 'O' vs closed '|' circuit to me (never bothering to look at the standards). The fully inside vs breaking is still fitting in that context.

troymc 3y ago

I don't think I've ever seen the ⏼ symbol, only ⏻, but maybe I'm weird.