Sony NWZ-A815 Operation Manual page 91

toring Data
You can store computer data into the built-in flash memory of the player by
transferring the data from your computer using Windows Explorer, or another
transfer capable software. If the player is connected to the computer, the built-
in flash memory appears in Windows Explorer as [WALKMAN.]
• Do not disconnect the supplied USB cable while transferring data between a computer
and the player because the data being transferred could be damaged.
• Do not format the built-in flash memory using Windows Explorer. If you format the
built-in flash memory, format it on the player
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