Reducing ambient noise without playing back music [Quiet Mode]
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Connect the supplied headphone to the player, and from the Home menu, select
[Noise Canceling]
[Noise Canceling: On/Off]
[On].
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From the Home menu, select
[Noise Canceling]
[NC Modes].
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When the player receives an audio input signal from the supplied audio input cable connected to the WM-PORT, the player enters [External Input Mode] [Details]. You can change between [External Input Mode] and [Quiet Mode] by pressing the
button. Also, if you disconnect the supplied audio input cable during [External Input Mode], the Noise Canceling function will enter [Quiet Mode] automatically.
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The Noise Canceling function mainly reduces the ambient noise in the low frequency bands and has less effect on ambient noise in the higher frequency bands, such as voices and ringing tones. It has no effect on certain sounds.