Setting The Treble Control; Turning Loudness On/Off - Alpine DVA-9860R Owner's Manual

Setting the Treble Control

You can change the Treble Frequency emphasis to create your own
tonal preference.
Press CENTER f. to select the TREBLE (treble Center
frequency) control mode.
BASS → TREBLE → normal mode → BASS
Setting the Treble Center Frequency
Press g or f to select the desired treble Center
frequency.
7.5kHz ↔ 10.0kHz ↔ 12.5kHz ↔ 15.0kHz ↔ 7.5kHz
Emphasizes the displayed Treble frequency ranges.
Setting the Treble Level
Turn the Rotary encoder to select the desired
treble level (–7~+7).
You can emphasize the treble frequency.
• If no operation is performed within 15 seconds, the treble control
setting will be turned off automatically.
• The treble level settings will be individually memorized for each
source (FM, MW (LW), CD, etc.) until the setting is changed. The
Treble frequency settings adjusted for one source are effective for
all other sources (FM, MW (LW), CD, etc.).
• Depending on the connected devices, some functions and display
indications do not work. However, Treble Level is still adjustable if
an audio processor with the Treble function is connected.
• This function is inoperable when DEFEAT is set to ON.
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Turning Loudness On/Off

Loudness introduces a special low- and high-frequency emphasis at
low listening levels. This compensates for the ear's decreased
sensitivity to bass and treble sound.
Press and hold the Rotary encoder (MODE/LOUD)
for at least 2 seconds to activate or deactivate the
loudness mode.
The display shows "LOUD ON" when the loudness mode is
activated.