Hi, This is the same on IOS devices. The backlight is still on.
Ricardo Walker rica...@appletothecore.info Twitter:@apple2thecore www.appletothecore.info On Aug 15, 2012, at 12:22 PM, Chris Blouch <cblo...@aol.com> wrote: > Not sure on devices but for laptops it just sets the pixels to black, so the > backlight is still running. If you want to save battery you need to use F1 > and turn the screen all the way down. All the way down turns the backlight > off. Likewise using F5 to turn the keyboard backlight all the way down will > also shut those lights off. > > CB > > On 8/15/12 11:18 AM, Teresa Cochran wrote: >> Ok, one of my notorious "just wondering" questions. >> >> I've heard many discussions about whether screen curtain saves battery life >> in laptops and the smaller devices. I'm wondering if screen curtain works by >> modifying information that's already been passed to the display, or whether >> it bypasses the display altogether. If it's used on an Ipod, for example, >> does it still use a lot of resources? Does anyone know how it works, >> technically speaking? >> >> Thanks, >> Teresa >> > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To post to this group, send email to macvisionaries@googlegroups.com. > To unsubscribe from this group, send email to > macvisionaries+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/macvisionaries?hl=en. > -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To post to this group, send email to macvisionaries@googlegroups.com. To unsubscribe from this group, send email to macvisionaries+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/macvisionaries?hl=en.