Adjusting The Sound Characteristics; Attenuating The Sound - Sony CDX-4000X Operating Instructions (primary manual) Operating Instructions Manual

Changing the operative direction
The operative direction of controls is factory-
set as shown below.
To increase
To decrease
If you need to mount the rotary commander on
the right hand side of the steering column, you
can reverse the operative direction.
Press (SOUND) for two seconds while
pushing the VOL control.
Tip
You can also change the operative direction of
these controls with the unit (see "Changing the
sound and display settings" on page 16).
Adjusting the sound
characteristics
You can adjust the bass, treble, balance, and
fader.
You can store the bass and treble levels
independently for each source.
1
Select the item you want to adjust by
pressing (SOUND) repeatedly.
Each time you press (SOUND), the item
changes as follows:
BAS (bass) t TRE (treble) t BAL (left-right)
t FAD (front-rear)
2
Adjust the selected item by pressing
either side of (SEEK/AMS).
When adjusting with the rotary
commander, press (SOUND) and rotate the
VOL control.
Note
Adjust within three seconds after selecting the
item.

Attenuating the sound

Press (ATT) on the rotary commander.
"ATT-ON" flashes momentarily.
To restore the previous volume level, press
(ATT) again.
Tip
When the interface cable of a car telephone is
connected to the ATT lead, the unit decreases the
volume automatically when a telephone call comes
in (Telephone ATT function).
15