I've just looked into this, and it seems the settings app was a bit broken. The settings change you made did actually take effect and was saved, but when you reloaded settings it always showed 0.75.
I've just fixed this and the change will now be in the development app loader (pebbled 0.06)
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I've just looked into this, and it seems the settings app was a bit broken. The settings change you made did actually take effect and was saved, but when you reloaded settings it always showed 0.75.
I've just fixed this and the change will now be in the development app loader (pebbled 0.06)