Asus U81A - Manual (Page 13)

Notebook PC User Manual 13
Rear Side
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Battery Pack
The battery pack is automatically charged when the
Notebook PC is connected to an AC power source and
maintains power to the Notebook PC when AC power is
not connected. This allows use when moving temporarily
between locations. Battery time varies by usage and by
the specifications for this Notebook PC. The battery pack
cannot be disassembled and must be purchased as a single
unit.
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Microphone Input Jack
The mono microphone jack (1/8 inch) can be used to
connect an external microphone or output signals from
audio devices. Using this jack automatically disables the
built-in microphone. Use this feature for video conferencing,
voice narrations, or simple audio recordings.
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