Messages
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You are trying to play a file that cannot be played on your Walkman.
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You cannot play a song in an unsupported format file [Details].
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The playback limitation period of the song has expired.
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Update the license information of songs using the software used for transferring.
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You attempted to delete a video but your Walkman failed to delete it.
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Delete the video by using Media Go or Windows Explorer.
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Your Walkman is connected to a computer or other external devices to transfer data.
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This is not an error message. Do not disconnect the Micro USB cable and charge cable until transferring completes.
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Updating the firmware failed to complete.
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Follow the instructions displayed on your computer to retry updating the firmware.
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The battery of your Walkman is running low.
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Charge the battery [Details].
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The available capacity of your Walkman is insufficient.
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Connect your Walkman to your computer using the supplied Micro USB cable and charge cable, and then delete any unnecessary data from the Walkman using another software used for transferring, or Windows Explorer.
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The selected photo cannot be designated as the wallpaper.
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Make sure the photo is not a damaged file, or the size is not too large.
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An alarm (beep) (*1) and warning [Check the volume level] are meant to protect your ears when you raise the volume setting beyond a specific level (*2) for the first time. You can cancel the alarm and warning by pressing any button.
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You can turn up the volume beyond the specific level (*2) after canceling the alarm and warning.
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After the initial warning, the alarm and warning repeat for every 20 cumulative hours that the volume is set beyond the specific level (*2); when this happens, the volume is changed to the initial setting automatically.

Getting Started