Samsung SM-F731U1, Руководство пользователя

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Getting started
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To save energy, unplug the charger when not in use. The charger does not have a
power switch, so you must unplug the charger from the electric socket when not
in use to avoid wasting power. The charger should remain close to the electric
socket and easily accessible while charging.
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When using a charger, it is recommended to use an approved charger that
guarantees the charging performance.
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If the battery is completely discharged, the device cannot be turned on
immediately when the charger is connected. Allow a depleted battery to charge
for a few minutes before turning on the device.
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If you use multiple apps at once, network apps, or apps that need a connection
to another device, the battery will drain quickly. To avoid losing power during a
data transfer, always use these apps after fully charging the battery.
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Using a power source other than the charger, such as a computer, may result in a
slower charging speed because of a lower electric current.
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The device can be used while it is charging, but it may take longer to fully charge
the battery.
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If the device receives an unstable power supply while charging, the touch screen
may not function. If this happens, unplug the charger from the device.
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While charging, the device and the charger may heat up. This is normal and
should not affect the device’s lifespan or performance. If the battery gets hotter
than usual, the charger may stop charging.
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If the device is not charging properly, take the device and the charger to a
Samsung Service Center or an authorized service center.