4 Getting Started
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To charge with the charger
Plug the micro USB end of the cable into the device's micro USB port. Connect the other end of the USB
cable to a power adapter. Plug the power adapter into a power outlet.
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RFR900
RFR900
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When the battery level is extremely low, the device may not turn on. Charge the device and try to turn it
on again. You can use the device while charging, but it may take longer to fully charge the device.
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Connect the charger properly. Failure to do so may cause damage to the device.
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The device may become hot when charging. If it becomes hotter than usual, disconnect the USB
cable from the device.
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Do not remove the battery before disconnecting the charger. Doing so may cause damage to the
device.