Sony WALKMAN NWZ-A15 Help Manual page 331

Help Guide
Troubleshooting
Digital Media Player
NWZ-A15/A17
The date and time have been reset.
If you leave your Walkman for a while with the battery used up, the date and time may be reset. This is not a
malfunction. Charge the battery, and then set the date and time again.
4-540-313-13(1)
Copyright 2014 Sony Corporation
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