TroubleshootingTask
Charging the battery
Charge your “WALKMAN” by connecting it to a computer.
-
Use the supplied USB cable to connect your “WALKMAN” to a running computer.
Plug in the USB cable with 
facing upward.
facing upward.
Hint
-
You can also charge the battery with an AC adapter (not supplied) compatible with your “WALKMAN” (AC-NWUM60, etc.).
-
When you use your “WALKMAN” for the first time, or if you have not used your “WALKMAN” for a long time, it is best to charge until
(full charge) displays in the remaining battery indication.
Note
-
If a large battery symbol is displayed while charging, the remaining charge is too low for your “WALKMAN” to operate. Charge continuously for about 10 minutes before attempting operations.
Related topic