Pioneer AVIC-F840BT Manuel d'utilisateur télécharger pdf (Page 166)

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 mobile 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 per formed 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 LPF of

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

cancelled. 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 equaliser on the previous

page.

! The fader/balance settings return to the

centre position.

= For details, refer to Using balance ad-

justment on page 163.

! The equaliser curve switches to “Flat”.

= For details, refer to Using the equali-

ser on page 163.

! 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-F40BT 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 cancelled.

2 Fix the microphone for acoustical mea-

surement (sold separately) in the centre 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.

Engb

166

Chapter

27

Customising preferences

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