Turning Loudness On/Off; Audio Mute Function - Alpine 3DE-7887 Manual De Operación

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MODE/LOUD
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Turning Loudness On/Off

Loudness introduces a special low- and high-
frequency emphasis at low listening levels to
compensate for the ear's decreased sensitivity
to bass and treble sound.
Press and hold the MODE/LOUD button for at
LD
least 2 seconds to activate or deactivate the
loudness mode.
LD will appear in the upper, left corner of the
display to indicate the Loudness function is on.

Audio Mute Function

Activating this function will instantly lower the
volume level by 20 dB.
To activate, press the MUTE button. MUTE will
MUTE
flash in the display and the audio level will
decrease by about 20 dB. Pressing the MUTE
button again will bring the audio back to its
previous level and the display will return to
normal.
Basic Operation
English