Power

• 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 the OPR lamp goes off. The OPR lamp lights up during charging.

• The volume level is high.

• If you turn up the volume, battery life will become shorter, because this increases the consumption of battery power.

• You have not used your Walkman for a prolonged period.

• 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.

• When your computer enters a power saving mode such as the Sleep or Hibernation mode while your Walkman is connected via the USB cradle (supplied), the battery of the Walkman will not be charged. Instead, the Walkman continues to draw power from the battery, discharging it.

• Disconnect the USB cradle after fully charging.

• For a Mac computer, click the eject icon of [WALKMAN] in the sidebar of Finder to disconnect it.

• Prevent your computer from entering Sleep or Hibernation mode.

• The power of your Walkman is not turned off after use.

• After use, make sure to turn off the power and slide the Power lock switch to lock the (Power) button to prevent your Walkman from being turned on accidentally.

• The USB cradle (supplied) is not connected to a USB connector on your computer properly.

• Disconnect the USB cradle, and then reconnect it.

• Use the USB cradle.

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

• Charge the battery in an ambient temperature of 5 °C (41 ºF) to 35 °C (95 ºF). [Details]

• Your computer is not on.

• Turn on the computer.

• Your computer has entered Sleep or Hibernation mode.

• Cancel the computer’s Sleep or Hibernation mode.

• If the symptom that you encountered does not apply to those listed above, press the RESET button of your Walkman [Details] and reconnect it to the computer by using the USB cradle.

• You have not used your Walkman for more than a year.

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

• It may take time to start if many files or folders are stored. While starting, your Walkman emits a startup sound.