SOUND ADJUSTMENTS

Turning on/off the loudness function

The human ear is less sensitive to low and high frequencies at low volumes.

The loudness function can boost these frequencies to produce well-balanced sound at low volume level.

Each time you press LOUD, the loudness function turns on and off alternatively.

LOUD

ENGLISH

Selecting preset sound modes

You can select a preset sound adjustment suitable to the music genre:

Each time you press SOUND, the sound mode changes as follows.

SOUND

Indication

For:

 

Preset values

 

 

 

 

 

 

 

Bass

Treble

Loudness

SCM OFF

(Flat sound)

00

00

On

 

 

 

 

 

BEAT

Rock or disco music

+2

00

On

 

 

 

 

 

SOFT

Quiet background music

+1

–3

Off

 

 

 

 

 

POP

Light music

+4

+1

Off

 

 

 

 

 

Notes:

• You can adjust the preset sound mode to your preference, and store in memory.

If you want to adjust and store your original sound mode, see “Storing your own sound adjustments” on page 15.

To adjust only the bass and treble reinforcement levels to your preference, see “Adjusting the sound” on page 14.

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JVC KD-S640 manual Sound Adjustments, Turning on/off the loudness function, Selecting preset sound modes