Sony NW-A25 How To Use Manual page 35

Help Guide
Turn off the NFC function when not in use.
Turn off the noise canceling function.
[16] How to Use
Notes on charging the battery
The charging time differs depending on the battery usage conditions.
If the battery life is reduced to about half of its normal life even if
sufficiently charged, it has probably worn out. Please contact your
nearest Sony dealer.
If you charge your Walkman when it has not been used for a long
period of time, your computer may not recognize it, or the Walkman
may not respond. Charge the Walkman for about 10 minutes, after
which it should start operating normally again.
When the ambient temperature exceeds the recommended range,
is displayed on the screen and charging is forcibly stopped. Charge the
battery in an ambient temperature between 5 °C to 35 °C (41 ºF to 95
ºF).
The number of times the battery can be recharged from complete
discharge is approximately 500 times. This number may vary
depending on the conditions under which you use your Walkman.
To prevent battery deterioration, charge the battery at least once every
six months to one year.
Charging is not guaranteed with homebuilt or modified computers.
Operation with a USB port extended with a USB hub is only
guaranteed when a self-powered USB hub that carries an authorized
logo is used.
Do not leave your Walkman connected for an extended period of time
to a laptop computer that is not connected to an AC power supply.
Doing so may discharge the computer's battery.
Do not turn on, restart, wake up from sleep mode, or shut down the
computer with your Walkman connected to the computer via USB.
Doing so may cause the Walkman to malfunction. Disconnect the
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Getting Started Power/Charging
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08/06/16 16:25