Myron&Davis NV8ACC1 - Manual (Page 13)

When the spectrum display is enabled, the screen will automatically switch to spectrum
mode, if there is no operation within 10 seconds when playing the radio, DVD or disc
changer modes. In video playing mode, open the home page, the screen will switch to
spectrum mode after 10 seconds.
Touch “Spectrum” icon to switch between different spectrum display modes ( as picture
on right shows)
Press the Mute button on the panel to mute the audio and show
the mute icon on the display.
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