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.

• The Walkman will not charge if the computer enters a power saving mode such as Sleep or Hibernate, and will discharge in this case.

• 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.

• If the terminals are not clean, wet a soft brush such as toothbrush with water and clean the terminals.

• Remove your Walkman from the USB cradle and repeat attaching and removing it to/from the USB cradle for several times.

• 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.