Sony NW-E393 How To Use Manual page 97

Help Guide
The sound may be interrupted or skip depending on the environment
where your Walkman is used or the settings of the Walkman.
Following the procedures below may reduce the amount of skipping or
interruptions.
Set all sound quality settings to off.
[119] Troubleshooting
The sound effect settings do not seem to have any
effect.
Sound effect settings are not applied in the following cases.
While listening to FM radio
[120] Troubleshooting
You cannot charge your Walkman.
The battery cannot be charged while
protection function is engaged. Charge the battery within the ambient
temperature range of 5 °C to 35 °C (41 ºF to 95 ºF).
You need to turn the computer power on in order to charge your
Walkman. Check whether the computer is in standby (sleep) or
hibernation status.
Check that the USB connection to the computer is made properly.
There may be bad electrical contact in the connector. Disconnect your
Walkman, and then reconnect it.
Use the supplied USB cable.
Your Walkman may not be able to connect properly to your computer
when using a USB hub. Connect the Walkman directly to a USB
connector on your computer.
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Q&A Sound
Q&A Power
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