Digital Music PlayerNW-E393/E394/E395
An alarm (beep) is heard and the message [Check the volume level] is displayed.
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An alarm (beep) and a warning [Check the volume level] are meant to protect your ears when you turn the volume up to a level that is harmful for your ears for the first time. You can cancel the alarm and warning by pressing any button.
- You can turn up the volume after canceling the alarm and warning.
- After the initial warning, the alarm and warning repeat every 20 cumulative hours that the volume is set to a level that is harmful for your ears. When this happens, the volume is turned down automatically.
