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Audio adjustments
Using the equalizer
Recalling equalizer curves
There are seven stored equalizer curves that you can easily recall
at any time. Here is a list of the equalizer curves:
S.Bass is a curve in which only low-pitched sound is boosted.
Powerful is a curve in which low- and high-pitched sounds
are boosted.
Natural is a curve in which low- and high-pitched sounds
are slightly boosted.
Vocal is a curve in which the midrange, which is the human
vocal range, is boosted.
Flat is a flat curve in which nothing is boosted.
Custom1 is an adjusted equalizer curve that you create. If
you select this curve, the effect is applied to all AV sources.
Custom2 is an adjusted equalizer curve that you create. If
you select this curve, the effect is applied to all AV sources.
p The default setting is "Powerful".
1 Display the "Audio" setting screen.
Refer to Displaying the "Audio" setting screen on page 42
2 Touch [Graphic EQ].
3 Touch the equalizer.
Customizing the equalizer curves
You can adjust the currently selected equalizer curve setting
as desired. Adjustments can be made with a 13-band graphic
equalizer.
p If you make adjustments when a curve "S.Bass", "Powerful",
"Natural", "Vocal", or "Flat" is selected, the equalizer curve
settings will be changed to "Custom1" mandatorily.
p If you make adjustments when the "Custom2" curve is
selected for example, the "Custom2" curve will be updated.
p "Custom1" and "Custom2" curves can be created common
to all sources.
1 Display the "Audio" setting screen.
Refer to Displaying the "Audio" setting screen on page 42
2 Touch [Graphic EQ].
3 Select a curve that you want to use as the basis
of customizing.
4 Touch the frequency for which you want to
adjust the level.
p If you trail a finger across the bars of multiple equalizer
bands, the equalizer curve settings will be set to the value of
the touched point on each bar.
44
Setting the auto-adjusted equalizer
You can set the auto-adjusted equalizer to suit the vehicle's
acoustics. To use this function, the vehicle's acoustics must be
measured in advance.
The default setting is "Off".
Refer to Adjusting the equalizer curve automatically (Auto EQ)
on page 44
p To manually adjust the equalizer curve, set "Auto EQ&TA" to
"Off".
1 Display the "Audio" setting screen.
Refer to Displaying the "Audio" setting screen on page 42
2 Touch "[Auto EQ&TA] to switch "On" or "Off".
Adjusting the equalizer curve
automatically (Auto EQ)
By measuring the vehicle's acoustics, the equalizer curve can be
adjusted automatically to suit the vehicle interior.
WARNING
A loud tone (noise) may be emitted from the speakers when
measuring the vehicle's acoustics. Never perform Auto EQ
measurement while driving.
CAUTION
Thoroughly check the conditions before performing Auto
EQ, as the speakers may be damaged if this is performed
under the following conditions:
When the speakers are incorrectly connected. (For exam-
ple, when a rear speaker is connected as a subwoofer
output.)
When a speaker is connected to a power amp delivering
output higher than the speaker's maximum input power
capability.
If a microphone for acoustical measurement (sold
separately) is not placed in an appropriate location, the
measurement tone may become loud and measurement
may take a long time, resulting in battery drainage. Be sure
to place the microphone in the specified location.
Before operating the Auto EQ
function
Perform Auto EQ in as quiet a place as possible, with the
vehicle engine and air conditioning switched off. Also, cut
power to car phones or cellular phones in the vehicle, or
remove them in advance. Surrounding sounds may prevent
correct measurement of the vehicle's acoustics.
Be sure to use the microphone for acoustical measurement
(sold separately). Using another microphone may prevent
measurement, or result in incorrect measurement of the
vehicle's acoustics.
To perform Auto EQ, the front speakers must be connected.
When this product is connected to a power amp with input
level control, Auto EQ may be impossible if the power amp's
input level is set below the standard level.
When this product is connected to a power amp with an LPF
(low pass filter), turn the LPF off before performing Auto EQ.
Also, set the cut-off frequency for the built-in LPF of an active
subwoofer to the highest frequency.
The distance has been calculated by a computer to provide
optimum delay to ensure accurate results. Do not change
this value.
— The reflected sound within the vehicle is strong and delays
occur.
— The LPF on active subwoofers or external amps delay the
lower sounds.
If an error occurs during measurement, check the following
before measuring the vehicle's acoustics.
— Front speakers (left/right)
— Rear speakers (left/right)
— Noise
— Microphone for acoustical measurement (sold separately)
— Low battery
Performing Auto EQ
p Auto EQ changes the audio settings as follows:
— The fader/balance settings return to the center position.
Refer to Using fader/balance adjustment on page 42
— "Mute Level" is set to "Off".
Refer to Switching sound muting/attenuation on page 42
p Previous settings for Auto EQ will be overwritten.
CAUTION
Do not turn off the engine while the measurement is in
progress.
1 Stop the vehicle in a quiet place, close all the
doors, windows and sun roof, and then turn the
engine off.
If the engine is left running, engine noise may prevent correct
Auto EQ.
p If driving restrictions are detected during measurement,
measurement is canceled.
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