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Jan 10, 2013 6:43 AM in response to Yuki998by LousyFool,So i wonder it is normal that the keyboard darkens itself I’m in dark room? Is there a software for adjusting the ALS?
That's why there is an ambient light sensor - so the keyboard backlight can adjust automatically depending on the ambient light.
How to control it, or disable it, here.
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Jan 10, 2013 9:53 AM in response to Yuki998by raptor402,Hi, Yuki
Contrary to popular belief, the lower the ambient light, the less backlight you need. The ambient light sensor's job is to make sure that there's enough backlight at all times. The keyboard backlight is designed to only be used in the dark (AFAIK), so it compensates for the brightness resulting from your screen and accidental sources. I would recommend switching off the brightness entirely during the day / when you don't need it in order to save battery life.