Equalizer Settings - Alpine HDP-D90 Owner's Manual

GEQ page
EQ gain step
Setting items:EQ gain step
Setting content:0.1 (initial setting)/0.5/1
EQ curve display
Click the channel display selection button to
display the curve of the channel.
EQ settings
1
Select the input channel to be adjusted.
2
When the mouse moves to the serial
number position, hold down, drag up and
down to adjust the equalizer gain, drag
left and right to adjust the equalizer
frequency; when the mouse moves to the
left and right blue boxes, hold down and
drag to adjust the equalizer Q value. You
can also set the frequency, Q value and
gain by directly inputting the value,
scrolling the mouse wheel, and the up
and down keys on the keyboard.
Adjustable frequency range: 20Hz~40kHz;
Adjustable range of Q value: 0.404~28.852;
Gain adjustable range: -12.0 dB ~+12.0 dB.
Note: The gain is adjustable in the graphic

equalization interface, and the frequency
and Q value are not adjustable. In the
parameter equalization
frequency, Q
15 EN
interface,
value and gain
adjustable.

Equalizer Settings

1. When there is EQ adjustment, the direct
equalization button appears.
2. Through Equalization: When the current
channel equalizer is turned on, this button
will be displayed [
Equalization] or the through dot to make all
equalizers of the current channel inactive
(through).
3. After clicking the "Yes" button, the button
will be restored to the [Restore Balance]
state [
EQ] and all equalizers of the current channel
will return to the last activated state.
4. Click [Reset EQ], the parameters of all
equalizers of the current channel return to
the initial state: the frequency is evenly
distributed, the input Q value is 2.515, the
output Q value is 1.007, and the gain is
0.0dB.
5. Click [Parametric Equalization] to pop up a
warning box "Confirm GEQ to PEQ mode?",
press OK to switch to [Graphic Equalization],
click [Graphic Equalization] to pop up a
warning box "Confirm PEQ to GEQ mode?",
press OK to confirm Switch [parameter
equalization].
equalization mode, the frequency, Q value
and gain are adjustable, while in the graphic
equalizer mode, the frequency and Q value
are fixed, and only the equalizer gain can be
adjusted.
the
are
], click [Through
]. Then click [Restore
In the parametric