Pioneer F77 Operations Manual download pdf (Page 182)

Using the auto-adjusted equaliser

You can set the auto-adjusted equaliser to suit

the vehicle’s acoustics. To use this function,

the vehicle’s acoustics must be measured in

advance.

= For details of the operations, refer to Adjust-

ing the equaliser curve automatically (Auto

EQ) on page 182.

p To manually adjust the equaliser curve, set

“Auto EQ&TA” to “Off”.

1 Press the HOME button to display the

Top menu screen.

2 Touch the following keys in the follow-

ing order.

The “Audio” screen appears.

3 Touch [Auto EQ&TA] repeatedly until

the desired setting appears.

! Off (default):

Turns the Auto EQ&TA setting off.

! On:

Turns the Auto EQ&TA setting on.

Adjusting the equaliser curve

automatically (Auto EQ)

By measuring the vehicle’s acoustics, the

equaliser 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 acous-

tics. Never perform Auto EQ measurement while

driving.

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 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 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.

Engb

182

Chapter

30

Audio adjustments

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