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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 not be able to be performed 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, turn the LPF
off before performing Auto EQ. Also, set
the cut-off frequency for the built-in LPFof
an active subwoofer to the highest fre-
quency.
! The distance has been calculated by com-
puter to provide the optimum delay to en-
sure 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 the previous
page.
! The fader/balance settings return to the
center position.
= For details, refer to Using balance ad-
justment on page 175.
! The equalizer curve switches to “Flat”.
= For details, refer to Using the equali-
zer on page 175.
! 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-Z130BT users
Do not press the h button to open or close
the panel when you are using the micro-
phone.
1 Stop the vehicle in a place that is quiet,
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.
2 Fix the microphone for acoustical mea-
surement (sold separately) in the center of
the headrest of the driver’s seat, facing for-
ward.
The Auto EQ may differ depending on where
you place the microphone. If desired, place
the microphone on the front passenger seat
and perform Auto EQ.
En
178
Chapter
32
Customizing preferences