Kenwood KGC-6042A User manual

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KGC-6042A
GRAPHIC EQUALIZER
INSTRUCTION MANUAL
EGALISEUR GRAPHIQUE
MODE D’EMPLOI!
GRAPHIC EQUALIZER
BEDIENUNGSANLEITUNG
GRAFISCHE TOONREGELING
GEBRUIKSAANWIJZING
EQUALIZZATORE GRAFICO
ISTRUZIONI PER LUSO
ECUALIZADOR GRAFICO
MANUAL DE INSTRUCCIONES
KENWOOD CORPORATION
Take the time to read through this instruction manual.
Familiarity with installation and operation procedures will
help you obtain the best performance from your new
electronic graphic equalizer.
For your records
Record the serial number, found on the back of the unit, in the
Spaces designated on the warranty card, and in the space
provided below. Refer to the model and serial numbers
whenever you call upon your KENWOOD dealer for
information or service on the product.
Model KGC-6042A Serial number
CrAINTED
IN
JAPAN
Bé4
-
0230
-
00
(W,
E)
(+)
9

SAFETY PRECAUTIONS
3 (AWARNING
To prevent fire and avoid personal
injury in case of accidents.
¢ When extending the power supply or
4
i
ground lead, avoid short circuits by
using 0.75mm? (AWG18) or larger
automotive grade cable.
Check to be sure that no metal objects
(tools, needles, coins) are left inside the
unit.
If you smell or see smoke, disconnect
the unit immediately and consult your
KENWOOD dealer, Continued use can
cause a fire or permanent damage to
the unit.
To keep the unit in proper working
order
Be sure It’s connected toa i2V DC
power supply with a minus ground
connection.
Do not open frant panel or top or
bottom cover.
Do not expose this unit to direct
sunlight or high heat.
Keep it clean and dry.
Be sure it is fastened securely and not
exposed to excess vibration. ~~
* lf you have difficulty in installing this
unit in your vehicle, please contact your
KENWOCD dealer.
Cleaning
1.Always turn the power OFF before
cleaning.
2.VVipe the front panel and other exterior
surfaces with a soft dry cloth or a soft
cloth lightly moistened with a neutral
detergent. ‘
ACAUTION]
* DO NOT use abrasive pads or paint
thinner, benzene or other volatile
solvents. These may remove the
indicator characters.

CONTENTS
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Page
M@ Before you begin
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Effect
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INSTALLATION
PROCEDURE
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FEATURES
Equalizer band system (p.5)
Levels can be changed in two ways.
The 9 + 2 band system allows use of
two bands of the parametric equalizer
to adjust front soeakers and nine bands
of the graphic equalizer to adjust the
rear soeakers,
The 11 band system allows use of two
bands. of the parametric equalizer and
nine bands of the graphic equalizer {for
a total of 11 bands) to adjust both front
and rear speakers.
Parametric equalizer (p.6)
This function allows you to adjust
frequencies you have set. You can set
a total of two frequencies: one in the
30 Hz to 800 Hz range and one in the
800 Hz to 16 kHz range. Each
designated frequency can be adjusted
to within - 12 dB to + 12 cB. This
function allows you, for the first time,
to adjust for the specific acoustic
conditions of your car—iis tive and
dead frequencies.
Graphic equalizer (p.8)
Allows level adjustment of nine
frequency bands centered around 40
Hz, 120 Hz, 250 Hz, 500 Hz, 1 kHz, 2
kHz, 4 kHz, 8 KHz and 16 kHz. Levels
can be adjusted between -12 dB and
+12 dB.
sub-woofer system (p.9)
This system controls the output level
and cut-off frequency of your sub-
wooters. ~
Fader (p.10)
Allows you to adjust the balance of
front and rear speakers.
Selectable illumination (p.12)
Allows illumination color to be switched
between green and orange.
Before you begin .

EQUALIZER BAND SYSTEM
To
adjust
the
front
and
rear
speakers
separately
(4
channel
system)
» Set the 4 ch./2 ch. button to “9 band +
2 bana” (4 ch.),
(The front speaker can be adjusted with
the parametric equalizer (2 bands) and the
rear speaker can be adjusted with the
graphic equalizer (9 bands).)
9+2 band {4 ch.)
Rear speaker Front speaker
adjustment adjustment
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@ To adjust the front and rear speakers together
(2 channel system)
» Set the 4 ch./2 ch, button to “11 band”
(2 ch.).
(Both
front
and
rear
speakers
can
be
Rear/front
speaker
adjustment
adjusted on a total of 11 bands: 2 bands
with the parametric equalizer and 9 bands
with the graphic equalizer.) ———
aa: OVeiea es
11 band (2 ch.}
Your new Graphic equalizer 5

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“i To turn the parametric equalizer ON. To turn the parametric equalizer OFF.
» Press the Parametric equalizer (2)
button,
(The Parametric equalizer level knob
will light up, indicating that output
sound has been adjusted with the
parametric equalizer.)
oy el
ON
KENWOOD GRAPIUR pulraQri7FR osc Sogea
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|
» Press the Parametric equalizer (2)
button.
(The Parametric equalizer level knab
indicator will go out, indicating that
the parametric equalizer has been
turned off.)
MVVhen both the following conditions apply, the equalizer can only adjust levels within a
+8 dB to -4 dB range:
« The Parametric equalizer (2) button and the Graphic equalizer (9} button are ON.
e The 4ch./2 ch. button is set to 11 band (2 ch.).
6 Your new Graphic equalizer

i Adjusting the high band parametric equalizer (800 Hz to 16 kHz)
To increase level
> Slide up the Parametric equalizer
level knob (HI).
(You can increase the level up to
+12 dB.)
To lower level
® Slide down the Parametric
equalizer level knob (HI}.
(You can lower the level down to
-12 dB}
> Set the Parametric equalizer
frequency knob (HI) to the
frequency you want to adjust.
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To increase level
» Slide up the Parametric equalizer
level knob {LOW}.
(You can increase the level up to
+12 dB.)
To lower level
» Slide down the Parametric
equalizer level knob (LOV\).
(You can lower the level down to
—12 dB.)
» Set the Parametric equalizer
frequency knob (LOW) to the
frequency you want to adjust.
Your new Graphic equalizer 7

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nad
GRAPHIC EQUALIZER
To turn the graphic equalizer ON
» Press the Graphic equalizer (9)
button.
(The Graphic equalizer level knob
indicator will light up, indicating that
the output sound has been adjusted
with the graphic equalizer.)
fee
on
Level adjustments
To increase level
» Slide up the Graphic equalizer
level knob for the frequency band
you wish to adjust.
(You can increase the level by up
to +12 dB.)
To
turn
the
graphic
equalizer
OFF
_
» Press the Graphic equalizer (9)
button.
(The Graphic equalizer level knob
indicator will go out indicating that
the graphic equalizer has been
turned off.)
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To lower level
m Slide down the Graphic equalizer
level knob for the frequency band
you wish to adjust.
(You can lower the level by up to
-12 dB.)
@
When
both
the
following
conditions
apply,
the
equalizer
can
only
adjust
levels
within
a
+8 cB to -4 dB range:
e The Parametric equalizer (2) button and the Graphic equalizer (9) button are ON.
® The 4 ch./2 ch, button ts set to 11 band (2 ch.).
8 Your new Graphic equalizer

SUB-WOOFER SYSTEM
SSS
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SS
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re
|
To
turn
the
sub-woofer
system
ON
To
turn
the
sub-woofer
system
OFF
a
—
>
Press
the
Sub-woofer
button.
»
Press
the
Sub-woofer
button.
a,
(The
Sub-woofer
level
knob
and
the
(The
Sub-woofer
fevel
knob
and
the
=
Sub-woofer frequency knob
indicators will light up. You will hear
sub-woofter output.)
sub-woofer frequency knob
indicators will go out. Sub-woofer
output will cease.)
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ON
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BTo
change
cut-off
frequency
To increase the sub-woofer level
» Silde up the Sub-woofer level
knob,
(You can increase the sub-woofers’
level by up to 10 dB.)
To increase the cut-off frequency
> Slide up the Sub-woofer
frequency knob.
(You can increase the cutoff
frequency by up to 150 Hz.)
To lower the sub-woofer level
m Slide down the Sub-woofer level
knob.
(You can lower the sub-woofers’
level infinitely until sub-woofer
output is off.)
gp Sub-woofer system OFF
NOTE
_
=
|
M@
When
the
sub-woofer
system
is
turned
on:
-10
¢
Rear
speaker
output
will
be
cut
off
at
100
=
Hz
in
the
“9+2
band"
{4
ch.}
system.
¢ Rear and front speaker output will be cut
off
at
100
Hz
in
the
“11
band”
(2
ch.)
a.
sup
jooo)
he
system.
-
Front/Rear
output
characteristics
curve
To lower the cut-off frequency
> Slide down the Sub-woofer
frequency knob.
(You can lower the cut-off frequency
by up to 30 Hz.)
sub-woofer system ON
Effect control features 9

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FADER
i
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ere
a
ee
To
punch
up
the
front
speaker
To
punch
up
the
rear
speaker
» Rotate the fader contro! knob
counterclockwise (to the left).
» Rotate the fader control knob
clockwise (to the right),
Ar
5
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e
To
prevent
sub-woofer
spillover
to
front
and
rear,
the
fader
does
not
affect
sub-woofer
output.
10 Effect control features

ACCESSORIES
all
Items
Panel frame
Side bracket
Bracket
Wiring harness
Self-tapping screws (04 x 16)
Flat head screw (M4 x 6)
—a =
Assembly screw with washer
(M4 x 8)
Installation 11

INSTALLATION PROCEDURE
Ae ® Before starting installation, disconnect the negative (-) terminal of the battery.
a This will prevent shart circuits. :
@ Connect the Input and Output teads (# 9.13).
ng @ Connect the Ground lead (Black) to the metal body of the car (t? p.13).
@ Connect the Power supply lead (Yellow) (= 9.13).
© Install the unit in the car («= 9.14).
© Connect the negative {-) terminal of the battery.
ACAUTION
« A short circuit may cause a blown tuse. A short circuit is a serious problem that could
also cause a fire. Check the wiring carefully and, if any wires are short-circuited, rewire
immediately. [f no short-ctrcuits are found, replace the fuse with one having the same
rating (see indication in fuse box}.
e Check that unconnected wires or connectors are in contact with the body of the car.
Extraneous noise or current entering the system can cause malfunction or damage.
@ Selectable Illumination
As indicated in the illustration, the Illumination slide switch on the right side of the unit
can be used to select either orange or green indicator lights.
J Jitu
GRN ORG
Green <= — > Orange
e The color of the front panel knobs cannot be changed.
12 Installation

CONNECTIONS
* Circled numbers indicate the procedures described on
page 12.
Power amplifier
(Optional)
Power amplifier
{Optional}
uv a z g s
Rear
speakers
Front left
output (White)
Sub-woofer left
output (White)
Front right
output (Red)
Left input (White)
Power control ;
supply lead Right input (Red)
Cassette receiver,
etc. (Optional)
Rear right
output (Red)
Rear left output
(White)
Wirtng harness
Sub-woofer right (Accessory)
output (Red)
Power control supply lead (Blue/White)
Power control supply lead : See
Ignition key Car fuse
switch 6) o<(i) box ; ;
I~ gl ACC Power supply lead (Yellow} ®
a a (To battery)
fran See ms
2 Car fuse box eo
2
|
(Main
fuse)
i
Ground
lead
(Black)
©
(To
vehicle
chassis)
1 | AWARNING
Banely, : To prevent fires when the power supply (yellow) leads are short-
circuited by coming into contact with the vehicle chassis (ground),
only connect the power supply after making the fuse box
connections first.
« When an optional RCA extension cord
is used as a ground wire, attach it to the
back of the unit using the Assembly
Assembly screw with screw with washer (M4 x 8) supplied
washer (M4 x 8) (Accessory) with it.
Installation 13

eas
INSTALLATION
¢ Before installation, select a location in which the unit can be operated safely and easily.
e Use only the accessories supplied with the unit.
Assembly screw d & db
pean (M4 x 8) Dash board
Metal maunting
=
|
h
a=
a
i | \ f Self-tapping screws
4 x 16) (Accessory)
| Side bracket i is ”
Assembly screw (Accessory) Panel frame
with washer (M4 x8) Flat heac screw {Accessory}
(Accessory) (M4 x 6} (Accessory)
14 Installation

TROUBLESHOOTING GUIDE
aD
ie
Often, what appears to be a malfunction is due to user error. Before calling for service,
please consult the following table.
Symptom ! Cause
Power cannot be 1. The back up fuse is blown. The
switched ON, fuse on another unit to which the
equalizer is connected is blown.
1. After checking for short
circuits, replace the blown
fuse. Be sure the new fuse
has the required capacity.
2. Connect the power supply.
2. The equalizer is not connected to
the power supply.
attr aay,
Sound is nat heard from
the front or rear
speakers.
Turn the fader contro! knob to
the front/rear balance you
prefer.
The fader is turned fully to front or
rear,
1. Make sure that all
connections have been
properly made.
2. Set the center uriit fader to a
medium position.
1. A speaker, power or preout
connection is loose.
There is no sound from
any speakers.
2. The center unit's prefader control
is set to its minimum setting.
You can't hear low
frequencies.
Turn OFF the Sub-woofer
system.
The Sub-woofer system is ON with
no sub-woofers installed.
15

SPECIFICATIONS
specitications subject to change without notice
Equalizer
Equalizer Center Frequencies........... ahi eee
Equalization. Range .....cccecccccccecececeeverveverserees
Sub-Woofer System
Cut-off Frequency ........sscsccccecesessssesscsesseceranseese
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Parametric Equalizer
supeistocs .-40 Hz,.120 Hz, 250 Hz, 500 Hz, 1 kHz,
2 kHz, 4 kHz, 8 KHz, 16 kHz
oman 2 tote oS
cabe uesteteeaauemcueeaueres! 30 to 150 Hz (variable)
Seniesa ce Meuee Sar hstt ys aah eee —co to +10 dB
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to
800
Hz,
800
Hz
to
16
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(variable)
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Audio
Characteristics
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Signal
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Noise
Ratio...
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General
Operating
Voltage...
Neu
Ned
laa
vec
ueaseeuy
Rog
..
14.4
V
(11-16
V}
Solan
Geeiaa
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Installed Size ..
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16
.1/8x 25 x 150 mm
(7 x 1 x 5-7/8 in)
ee ae eC 0.8 kg (1.8 Ib)

KENWOOD