Maximizing Battery Life
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If you have no plans to use the Reader, completely power off the Reader.
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Do not leave the Reader with the battery depleted for a prolonged period of time. Battery capacity may be affected.
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Use and store the Reader at room temperature, or within the recommended temperature range of 5°C to 35°C (41°F to 95°F).
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Turn off Wi-Fi when no wireless communication is necessary.
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Turn on [Wireless Standby] when you want to extend the battery life.
Power-consuming operations
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Wi-Fi communications
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Constantly updating the [Wi-Fi Networks] list
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Displaying graphic-intensive books, periodicals, files or Web sites
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Displaying a slideshow with a short interval setting
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Using a microSD card
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Frequent insertion and removal of a microSD card
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Having a large volume of content stored on a microSD card
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Annotations, keyword searches and dictionary searches
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The Wi-Fi network feature of the Reader is not in standby mode.