Pioneer AVIC-X850BT Operation Manual - Page 155

Before operating the Auto EQ, function, Performing Auto EQ

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Customizing preferences Chapter 27 Customizing preferences CAUTION ! Thoroughly check the conditions before per- forming Auto EQ, as the speakers may be damaged if this is performed under the following conditions: - When the speakers are incorrectly con- nected. (For example, 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 from the vehicle before performing Auto EQ. Sounds other than the measurement tone (surrounding sounds, engine sound, telephones ringing, etc.) may prevent correct measurement of the vehicle's acoustics. ! Be sure to perform Auto EQ using 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 navigation system 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 navigation system 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 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, a message appears and measurement is canceled. 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: ! "Auto EQ" on the "EQ Menu" screen is set to "On". = For details, refer to Using the auto-adjusted equalizer on page 153. ! The fader/balance settings return to the center position. = For details, refer to Using balance adjustment on page 150. ! The equalizer curve switches to "Flat". = For details, refer to Using the equalizer on page 151. ! The front and rear speakers will automatically be adjusted to a high pass filter setting. p Previous settings for Auto EQ will be overwritten. p For AVIC-Z150BH users En 155

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CAUTION
!
Thoroughly check the conditions before per-
forming Auto EQ, as the speakers may be da-
maged if this is performed under the following
conditions:
—
When the speakers are incorrectly con-
nected. (For example, 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 capabil-
ity.
!
If a microphone for acoustical measurement
(sold separately) is not placed in an appropri-
ate location, the measurement tone may be-
come loud and measurement may take a long
time, resulting in battery drainage. Be sure to
place the microphone in the specified loca-
tion.
Before operating the Auto EQ
function
!
Perform Auto EQ in as quiet a place as pos-
sible, with the vehicle engine and air condi-
tioning switched off. Also, cut power to car
phones or cellular phones in the vehicle, or
remove them from the vehicle before per-
forming Auto EQ. Sounds other than the
measurement tone (surrounding sounds,
engine sound, telephones ringing, etc.)
may prevent correct measurement of the
vehicle
’
s acoustics.
!
Be sure to perform Auto EQ using the mi-
crophone for acoustical measurement
(sold separately). Using another micro-
phone 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 navigation system 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 navigation system is connected
to a power amp with an LPF (low pass fil-
ter), 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 com-
puter 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 exter-
nal amps delay the lower sounds.
!
If an error occurs during measurement, a
message appears and measurement is
canceled. Check the following before mea-
suring the vehicle
’
s acoustics.
—
Front speakers (left/right)
—
Rear speakers (left/right)
—
Noise
—
Microphone for acoustical measure-
ment (sold separately)
—
Low battery
Performing Auto EQ
p
Auto EQ changes the audio settings as fol-
lows:
!
“
Auto EQ
”
on the
“
EQ Menu
”
screen is
set to
“
On
”
.
=
For details, refer to
Using the auto-ad-
justed equalizer
on page 153.
!
The fader/balance settings return to the
center position.
=
For details, refer to
Using balance ad-
justment
on page 150.
!
The equalizer curve switches to
“
Flat
”
.
=
For details, refer to
Using the equali-
zer
on page 151.
!
The front and rear speakers will automa-
tically be adjusted to a high pass filter
setting.
p
Previous settings for Auto EQ will be over-
written.
p
For AVIC-Z150BH users
En
155
Chapter
27
Customizing preferences
Customizing preferences