Introduction
2
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Place the FWT out of the reach of small children. The FWT may cause
body injury if used as a toy.
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Don’t use the FWT outdoors during thunderstorms.
Battery
&
Power Adapter
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Generally, your FWT is supplied by power adapter, and the backup battery is
used only on special occasions such as blackout or other circumstances.
The battery’s standby time depends on the network status.
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If the battery is used for the first time, please pull out the power adapter,
supply your FWT with the battery alone until the battery capacity is
exhausted and your FWT is automatically powered off, then charge the
backup battery until it is fully charged, and then supply your FWT with the
battery alone until the battery capacity is exhausted and your FWT is
automatically powered off. Circulate the procedure for three times.
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During daily use, do not pull out the power adapter.
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The battery could be normally charged under the temperature range of 10
℃
~40
℃
. If the battery is charged under the temperature outside this range,
the battery performance might be compromised or even the battery might
be damaged.
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Please press and hold the
key to turn off the FWT and then unplug the
power adapter before replacing the battery.
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Use only the original power adapter and battery. Using the power adapter
from other manufacturers might damage the terminal. Don’t use the
adapter for other purposes.
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The power adapter must be used within the specified AC voltage range.
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When the FWT is only supplied by the battery instead of the power adapter,
please charge the battery in time to avoid over-discharging caused by low
voltage.
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Take out the battery if you won’t use your FWT for a long period of time
and keep the battery well.
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Don’t use the power adapter if the power cable is damaged. Contact the
maintenance center immediately and replace the adapter.
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Dispose the useless battery as required rather than throw it into the
general domestic dustbin.
Note:
If the battery is damaged, you should avoid the contact of the
