WALKMAN User Guide
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## Power

Battery life is short.

- The operating temperature is below 5 °C (41 ºF).

- Battery life becomes shorter as a result of the battery characteristics. This is not a malfunction.

- Battery charging time is not sufficient.

- Charge the battery until appears.

- By adjusting the settings or managing the power supply properly, it is possible to save the battery power and use the player for a longer time [Details].

- You have not used the player for more than a year.

- Depending on the conditions under which your player is used, the battery may have been deteriorated. Consult your nearest Sony dealer.

- The efficiency of the battery will improve by repeatedly charging and discharging it.

- When usable battery life becomes half the usual time, even after charging the battery fully, the battery should be replaced.

- Consult your nearest Sony dealer.

The player cannot charge the battery.

- The USB cable is not connected to a USB connector on your computer properly.

- Disconnect the USB cable, and then reconnect it.

- Use the supplied USB cable.

- The battery is charged in an ambient temperature out of the range of 5 °C (41 ºF) to 35 °C (95 ºF).

- You cannot charge the battery when icon appears. Charge the battery in an ambient temperature of 5 °C (41 ºF) to 35 °C (95 ºF).

- The computer is not on.

- Turn on the computer.

- Your computer has entered Sleep or Hibernation status.

- Release the computer from Sleep or Hibernation status.

- A USB hub is being used.

- Connecting the player via a USB hub may not work. Connect the player to your computer using the USB cable (supplied).

- The operating system installed on the computer is not supported by the player.

- To charge the player, connect the player to a computer with the operating system that is supported by the player [Details].

- You have not used the player for more than a year.

- Depending on the conditions under which your player is used, the battery may have been deteriorated. Consult your nearest Sony dealer.

- After prescribing the remedies above, if the problem still persists, press the RESET button of the player [Details] and reconnect it to the computer by using the USB cable (supplied).

The player turns off automatically.

- To avoid unnecessary battery consumption, the player automatically turns off.

- Press any button to turn the player on.

Charging completes very quickly.

- If the battery is already almost fully charged when charging begins, little time is needed to reach full charge.

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