Sony SRS-XV900, Help Manual

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Charge the speaker in an ambient temperature between 5 °C and 35 °C (41 °F and 95 °F). Be aware that the room temperature
may fall to 5 °C (41 °F) or lower depending on the season, for example, especially in wintertime.
The speaker becomes warm during charging. This is not a malfunction.
Avoid exposure to rapid temperature change, direct sunlight, mist, sand, dust, or mechanical shock. Also, never leave the
speaker in a car parked in the sun.
As long as the speaker is connected to an AC outlet by the supplied AC power cord (mains lead), the speaker's built-in battery is
capable of charging itself even while the speaker is turned on.
However, it may take a long time before charging completes depending on the usage of the speaker. It is recommended that you
turn off the speaker before battery charging.
You can charge the speaker's built-in battery by connecting the speaker to a computer that comes equipped with a USB charging
port as well. However, not all the computers are tested and found compatible with this procedure and the procedure is not
applicable to home-built computers.
In an extremely cold or hot environment, charging stops for safety. If charging takes a long time, it also makes charging of the
speaker stop. To resolve these issues, disconnect the AC power cord (mains lead) from the speaker and connect it again within
an operating temperature between 5 °C and 35 °C (41 °F and 95 °F).
At high temperature, the charging may stop or the volume may reduce to protect the battery.
Charging from a USB hub is only guaranteed when you use a self-powered USB hub that carries an authorized logo.
While the speaker is connected with a computer that is not connected to an AC outlet, the speaker consumes the battery power
of the computer. Do not leave the computer with the speaker connected for a long period of time to prevent the computer's
battery from running out of power.
Related Topic
Charging the speaker
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