Thread: PRS-T1 How should the screen appear when the device is turned off?
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Old 12-27-2011, 05:32 PM   #3
seabee
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Posts: 79
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Join Date: Aug 2011
Location: Paris, France
Device: Kobo Mini
Displaying a fixed picture doesn't consume ANY energy, it's a static display. The energy is used when processing content for display (formating), changing the screen content, WiFi, reading the buttons and the touch screen. The difference between "turned-off" and "sleeping" is that in sleeping mode, the RAM content is refreshed (and consume some energy for that) to be able to wake-up instantly instead of a 30s boot process (that consume lot of energy, it's a very bad idea to power down for short periods).
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