Ohhh, gotcha. I have only tried turning the brightness to off in dark environments :)
On Fri, Feb 13, 2009 at 1:27 PM, Gary C Martin <[email protected]> wrote: > On 13 Feb 2009, at 17:28, Wade Brainerd wrote: > > On Fri, Feb 13, 2009 at 11:38 AM, Gary C Martin <[email protected]> >> wrote: >> The below will switch to BW, but still leave the backlight on: >> >> su >> echo 1 > /sys/devices/platform/dcon/output >> >> And to kill backlight and go to BW mode all at once: >> >> su >> echo 0 > /sys/class/backlight/dcon-bl/brightness >> >> Hmmm, I wonder if there is dbus hooks for this for a less hacky solution. >> >> Oh, cool - thanks! Isn't there any button on the XO mapped to this? How >> is a normal user supposed to engage it? >> > > It simply engages BW/reflective mode when you dial down the brightness to > off. Alt-brightness up and Alt-brightness down on the XO get you to > reflective mode (and back) in one strike. In normal use, colour mode is > still quite usable (though not as crisp as BW) in bright sunlight, it's just > that the colours desaturate as the reflected light gets brighter. > > Note the backlight goes through the colour refractive screen magic, even in > BW mode, so it's not as sharp as with the backlight 100% off and just using > reflected light (though BW + backlight does still look slightly crisper than > colour mode, to my eye, like sub pixel sharpening tricks on conventional > screens). > > --Gary > > -Wade >> >> >
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