PIONEER GM-X972/XR/ES Owner's Manual

PIONEER GM-X972/XR/ES Owner's Manual
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Owner's Manual for PIONEER GM-X972/XR/ES, downloadable as a PDF file.

We also have service manual to this model.

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Sample pages

Setting the Unit

Gain Control

If the sound level is too low, even when

the volume of the car stereo used along

with this power amplifier is turned up,

turn gain control on the front of the

power amplifier clockwise. If the sound

distorts when the volume is turned up,

turn the gain control counter-clockwise.

· When using with an RCA equipped car

stereo (standard output of 500 mV), set to

the NORMAL position. When using with

an RCA equipped Pioneer car stereo with

max. output of 4 V or more, adjust level to

match the car stereo output level.

· If you hear too much noise when using the

speaker input terminals, turn the gain

control counter-clockwise.

Power Indicator

The power indicator lights when the

power is switched on.

BFC (Beat Frequency Control) Switch

If you hear a beat while listening to an

AM broadcast with your car stereo,

change the BFC switch using a small

standard tip screwdriver.

Thank you for purchasing this PIONEER

product. Before attempting operation, be

sure to read this manual.

Composition of Manual

This manual applies to the GM-X972,

GM-X572 and GM-X372. However, the

illustrations show the GM-X972.

In case of trouble

When the unit does not operate properly,

contact your dealer or the nearest autho-

rized PIONEER Service Station.

WARNING

· Always use the special red battery and ground

wire [RD-223], which is sold separately. Connect

the battery wire directly to the car battery positive

terminal (+) and the ground wire to the car body.

· Do not touch the amplifier with wet hands.

Otherwise you may get an electric shock. Also, do

not touch the amplifier when it is wet.

· For traffic safety and to maintain safe driving

conditions, keep the volume low enough so that

you can still hear normal traffic sound.

· Check the connections of the power supply and

speakers if the fuse of the separately sold battery

wire or the amplifier fuse blows. Detect the cause

and solve the problem, then replace the fuse with

another one of the same size and rating.

· To prevent malfunction of the amplifier and

speakers, the protective circuit will cut the power

supply to the amplifier (sound will stop) when an

abnormal condition occurs. In such a case, switch

the power to the system OFF and check the

connection of the power supply and speakers.

Detect the cause and solve the problem.

· Contact the dealer if you cannot detect the cause.

· To prevent an electric shock or short-circuit

during connection and installation, be sure to

disconnect the negative () terminal of the battery

beforehand.

· Confirm that no parts are behind the panel when

drilling a hole for installation of the amplifier. Be

sure to protect all cables and important equipment

such as fuel lines, brake lines and the electrical

wiring from damage.

Before Using This Product

PIONEER CORPORATION

4-1, MEGURO 1-CHOME, MEGURO-KU, TOKYO 153-8654, JAPAN

PIONEER ELECTRONICS (USA) INC.

P.O. Box 1540, Long Beach, California 90801-1540, U.S.A.

TEL: (800) 421-1404

PIONEER EUROPE NV

Haven 1087, Keetberglaan 1, B-9120 Melsele, Belgium

TEL: (0) 3/570.05.11

PIONEER ELECTRONICS ASIACENTRE PTE. LTD.

253 Alexandra Road, #04-01, Singapore 159936

TEL: 65-6472-1111

PIONEER ELECTRONICS AUSTRALIA PTY. LTD.

178-184 Boundary Road, Braeside, Victoria 3195, Australia

TEL: (03) 9586-6300

PIONEER ELECTRONICS OF CANADA, INC.

300 Allstate Parkway, Markham, Ontario L3R OP2, Canada

TEL: (905) 479-4411

PIONEER ELECTRONICS DE MEXICO, S.A. de C.V.

San Lorenzo 1009 3er. Piso Desp. 302

Col. Del Valle Mexico, D.F. C.P. 03100

TEL: 55-5688-52-90

Published by Pioneer Corporation.

Publicado por Pioneer Corporation.

Printed in U.S.A.

Impreso en los EE.UU.

<HRD0222-A> ES

BRIDGEABLE POWER AMPLIFIER

AMPLIFICADOR DE POTENCIA EN

PUENTE

Owner's Manual

GM-X972

GM-X572

GM-X372

Manual del Propietario

LPF (Low-Pass Filter) Select Switch

Set the LPF select switch as follows according to the type of speaker that is connected to the

speaker output connector and the car stereo system:

LPF Select

Audio frequency range

Speaker

Remarks

Switch

to be output

Type

LPF (left)

Very Low Frequency range

Subwoofer

Connect a subwoofer.

OFF (right)

Full range

Setting the Unit

Gain Control

If the sound level is too low, even when

the volume of the car stereo used along

with this power amplifier is turned up,

turn gain control on the front of the

power amplifier clockwise. If the sound

distorts when the volume is turned up,

turn the gain control counter-clockwise.

· When using with an RCA equipped car

stereo (standard output of 500 mV), set to

the NORMAL position. When using with

an RCA equipped Pioneer car stereo with

max. output of 4 V or more, adjust level to

match the car stereo output level.

· If you hear too much noise when using the

speaker input terminals, turn the gain

control counter-clockwise.

Power Indicator

The power indicator lights when the

power is switched on.

BFC (Beat Frequency Control) Switch

If you hear a beat while listening to an

AM broadcast with your car stereo,

change the BFC switch using a small

standard tip screwdriver.

Thank you for purchasing this PIONEER

product. Before attempting operation, be

sure to read this manual.

Composition of Manual

This manual applies to the GM-X972,

GM-X572 and GM-X372. However, the

illustrations show the GM-X972.

In case of trouble

When the unit does not operate properly,

contact your dealer or the nearest autho-

rized PIONEER Service Station.

WARNING

· Always use the special red battery and ground

wire [RD-223], which is sold separately. Connect

the battery wire directly to the car battery positive

terminal (+) and the ground wire to the car body.

· Do not touch the amplifier with wet hands.

Otherwise you may get an electric shock. Also, do

not touch the amplifier when it is wet.

· For traffic safety and to maintain safe driving

conditions, keep the volume low enough so that

you can still hear normal traffic sound.

· Check the connections of the power supply and

speakers if the fuse of the separately sold battery

wire or the amplifier fuse blows. Detect the cause

and solve the problem, then replace the fuse with

another one of the same size and rating.

· To prevent malfunction of the amplifier and

speakers, the protective circuit will cut the power

supply to the amplifier (sound will stop) when an

abnormal condition occurs. In such a case, switch

the power to the system OFF and check the

connection of the power supply and speakers.

Detect the cause and solve the problem.

· Contact the dealer if you cannot detect the cause.

· To prevent an electric shock or short-circuit

during connection and installation, be sure to

disconnect the negative () terminal of the battery

beforehand.

· Confirm that no parts are behind the panel when

drilling a hole for installation of the amplifier. Be

sure to protect all cables and important equipment

such as fuel lines, brake lines and the electrical

wiring from damage.

Before Using This Product

PIONEER CORPORATION

4-1, MEGURO 1-CHOME, MEGURO-KU, TOKYO 153-8654, JAPAN

PIONEER ELECTRONICS (USA) INC.

P.O. Box 1540, Long Beach, California 90801-1540, U.S.A.

TEL: (800) 421-1404

PIONEER EUROPE NV

Haven 1087, Keetberglaan 1, B-9120 Melsele, Belgium

TEL: (0) 3/570.05.11

PIONEER ELECTRONICS ASIACENTRE PTE. LTD.

253 Alexandra Road, #04-01, Singapore 159936

TEL: 65-6472-1111

PIONEER ELECTRONICS AUSTRALIA PTY. LTD.

178-184 Boundary Road, Braeside, Victoria 3195, Australia

TEL: (03) 9586-6300

PIONEER ELECTRONICS OF CANADA, INC.

300 Allstate Parkway, Markham, Ontario L3R OP2, Canada

TEL: (905) 479-4411

PIONEER ELECTRONICS DE MEXICO, S.A. de C.V.

San Lorenzo 1009 3er. Piso Desp. 302

Col. Del Valle Mexico, D.F. C.P. 03100

TEL: 55-5688-52-90

Published by Pioneer Corporation.

Publicado por Pioneer Corporation.

Printed in U.S.A.

Impreso en los EE.UU.

<HRD0222-A> ES

BRIDGEABLE POWER AMPLIFIER

AMPLIFICADOR DE POTENCIA EN

PUENTE

Owner's Manual

GM-X972

GM-X572

GM-X372

Manual del Propietario

LPF (Low-Pass Filter) Select Switch

Set the LPF select switch as follows according to the type of speaker that is connected to the

speaker output connector and the car stereo system:

LPF Select

Audio frequency range

Speaker

Remarks

Switch

to be output

Type

LPF (left)

Very Low Frequency range

Subwoofer

Connect a subwoofer.

OFF (right)

Full range

Connecting the Unit

CAUTION

· Disconnect the negative () terminal of the battery

to avoid the risk of short-circuit and damage to

the unit.

· Secure the wiring with cable clamps or adhesive

tape. To protect the wiring, wrap adhesive tape

around it where they lie against metal parts.

· Do not route wires where they will get hot, for

example where the heater will blow over them. If

the insulation heats up, it may become damaged,

resulting in a short-circuit through the vehicle

body.

· Make sure that wires will not interfere with mov-

ing parts of the vehicle, such as the gearshift,

handbrake or seat sliding mechanism.

· Do not shorten any wires. Otherwise the protec-

tion circuit may fail to work when it should.

· Never feed power to other equipment by cutting

the insulation of the power supply wire to tap

from the wire. The current capacity of the wire

will be exceeded, causing overheating.

GM-X972

Speaker Channel

Speaker Type

Power

Two-channel

Subwoofer

Nominal input: Min. 160 W

Other than subwoofer

Max. input: Min. 300 W

One-channel

Subwoofer

Nominal input: Min. 460 W

Other than subwoofer

Max. input: Min. 800 W

Connection Diagram

Fuse (30 A)

Grommet

Special red battery wire [RD-223] (sold separately)

After making all other connections at the amplifier,

connect the battery wire terminal of the amplifier to

the positive (+) terminal of the battery.

Ground wire (black) [RD-223] (sold separately)

Connect to metal body or chassis.

GM-X972: Fuse (30 A)

× 2

GM-X572: Fuse (20 A)

× 2

GM-X372: Fuse (25 A)

× 1

Car stereo with

RCA output jacks

External Output

Connecting wires with RCA

pin plugs (sold separately).

RCA input jack

Speaker output terminal

See the "Connecting the

Speaker wires" section

for speaker connection

instructions.

System remote control wire (sold separately)

Connect the male terminal of this wire to the system remote control

terminal of the car stereo (SYSTEM REMOTE CONTROL). The

female terminal can be connected to the auto-antenna relay control

terminal. If the car stereo does not have a system remote control ter-

minal, connect the male terminal to the power terminal through the

ignition switch.

Fuse (30 A)

Front side

Back side

To prevent damage

· Do not ground the speaker wire directly or con-

nect a negative () lead wire for several speakers.

· This unit is for vehicles with a 12-volt battery and

negative grounding. Before installing it in a recre-

ational vehicle, truck or bus, check the battery

voltage.

· If the car stereo is kept on for a long time while

the engine is at rest or idling, the battery may go

dead. Turn the car stereo off when the engine is at

rest or idling.

· If the system remote control wire of the amplifier

is connected to the power terminal through the

ignition switch (12 V DC), the amplifier will

always be on when the ignition is on-- regardless

of whether the car stereo is on or off. Because of

this, the battery could go dead if the engine is at

rest or idling.

· Speakers to be connected to the amplifier should

conform with the standards listed below. If they

do not conform, they may catch fire, emit smoke

or become damaged. The speaker impedance must

be 2 to 8 ohms for stereo connection, and 4 to 8

ohms for monaural and other bridge connection.

· Install and route the separately sold battery wire

as far away as possible from the speaker wires.

Install and route the separately sold battery wire,

ground wire, speaker wires and the amplifier as

far away as possible from the antenna, antenna

cable and tuner.

· Cords for this product and those for other prod-

ucts may be different colors even if they have the

same function. When connecting this product to

another product, refer to the supplied Installation

manuals of both products and connect cords that

have the same function.

Speaker input terminal

See the "Using the

Speaker Input" section.

GM-X572

Speaker Channel

Speaker Type

Power

Two-channel

Subwoofer

Nominal input: Min. 80 W

Other than subwoofer

Max. input: Min. 150 W

One-channel

Subwoofer

Nominal input: Min. 200 W

Other than subwoofer

Max. input: Min. 400 W

GM-X372

Speaker Channel

Speaker Type

Power

Two-channel

Subwoofer

Nominal input: Min. 65 W

Other than subwoofer

Max. input: Min. 100 W

One-channel

Subwoofer

Nominal input: Min. 140 W

Other than subwoofer

Max. input: Min. 240 W

Connecting the Unit

CAUTION

· Do not install in:

--Places where it could injure the driver or pas-

sengers if the vehicle stops suddenly.

--Places where it may interfere with the driver,

such as on the floor in front of the driver's

seat.

· Make sure that wires are not caught in the sliding

mechanism of the seats, resulting in a short-cir-

cuit.

· Confirm that no parts are behind the panel when

drilling a hole for installation of the amplifier.

Protect all cables and important equipment such

as fuel lines, brake lines and electrical wiring

from damage.

· Install tapping screws in such a way that the screw

tip does not touch any wire. This is important to

prevent wires from being cut by vibration of the

car, which can result in fire.

· To prevent electric shock, do not install the ampli-

fier in places where it might come in contact with

liquids.

· To ensure proper installation, use the supplied

parts in the manner specified. If any parts other

than the supplied ones are used, they may damage

internal parts of the amplifier, or they may

become loose causing the amplifier to shut down.

To prevent malfunction

· To ensure proper heat dissipation of the amplifier,

be sure of the following during installation.

--Allow adequate space above the amplifier for

proper ventilation.

--Do not cover the amplifier with a floor mat or

carpet.

· Do not install the amplifier near a door where it

may get wet.

· Do not install the amplifier on unstable places

such as the spare tire board.

· The best location for installation differs with the

car model and installation location. Secure the

amplifier at a sufficiently rigid location.

· Make temporary connections first and check that

the amplifier and the system operate properly.

· After installing the amplifier, confirm that the

spare tire, jack and tools can be easily removed.

Example of installation on the floor

mat or on the chassis

1. Place the amplifier where it is to be

installed. Insert the supplied tapping

screws (4

× 18 mm) into the screw

holes. Push on the screws with a

screwdriver so they make marks

where the installation holes are to be

located.

2. Drill 2.5 mm diameter holes at the

point marked, and install the ampli-

fier, either on the carpet or directly

to the chassis.

Installation

Drill a 2.5 mm diameter hole

Tapping-screws

× 18 mm)

Floor mat

or chassis

Connecting the Speaker wires

The speaker output mode can be two-channel (stereo) or one-channel

(mono). Connect the speaker leads to suit the mode according to the figures

shown below.

· Do not connect both the RCA input and the speaker input at the same time.

Two-channel mode (stereo)

One-channel mode (mono)

(Right)

Speaker

(Left)

Speaker (Mono)

3. Connect the speaker wires to the

speaker output terminals.

· Connect the speaker wires, passing them

through the terminal cover.

· Fix the speaker wires securely with the termi-

nal screws.

4. Push on the terminal cover.

Using the Speaker Input

Connect the car stereo speaker output

wires to the amplifier using the supplied

speaker input connector.

· Do not connect both the RCA input and the

speaker input at the same time.

7 Connections when using the speaker

input

Speaker

output

terminal

Terminal cover

Terminal screw

Speaker wire

Speaker output

Car Stereo

Speaker input connector

To speaker input terminal of

this unit.

White:

Left +

Gray:

Right +

White/black:

Left

Gray/black:

Right

Connecting the Power Terminal

· Always use the special red battery and ground

wire [RD-223], which is sold separately. Connect

the battery wire directly to the car battery positive

terminal (+) and the ground wire to the car body.

1. Pass the battery wire from the

engine compartment to the interior

of the vehicle.

· After making all other connections to the

amplifier, connect the battery wire terminal of

the amplifier to the positive (+) terminal of

the battery.

2. Twist the battery wire, ground wire

and system remote control wire.

3. Attach lugs to wire ends. Lugs not

supplied.

· Use pliers, etc., to crimp lugs to wires.

4. Connect the wires to the terminal.

· Fix the wires securely with the terminal

screws.

Connecting the Speaker Output

Terminals

1. Expose the end of the speaker wires

using nippers or a cutter by about

10 mm and twist.

2. Attach lugs to speaker wire ends.

Lugs not supplied.

· Use pliers, etc., to crimp lugs to wires.

10 mm

Fuse (30 A)

Engine

compart-

ment

Interior of

the vehicle

Drill a 14 mm

hole into the

vehicle body.

Insert the O-ring rubber

grommet into the vehicle

body.

Twist

Positive terminal

Fuse (30 A)

Battery wire

Ground wire

Lug

Twist

Speaker wire

Lug

GND terminal

Power terminal

Battery wire

System remote

control terminal

System remote

control wire

Ground wire

Specifications

GM-X972

Power source .............................................................................................................. 14.4 V DC (10.8 -- 15.1 V allowable)

Grounding system ............................................................................................................................................ Negative type

Current consumption ........................................................................................................ 37.5 A (at continuous power, 4

)

Average current drawn* .......................................................................................................... 12.0 A (4

for two channels)

18.5 A (4

for one channel)

Fuse .......................................................................................................................................................................... 30 A

× 2

Dimensions ........................................................................................................................ 269 (W)

× 50 (H) × 309 (D) mm

Weight ...................................................................................................................... 3.7 kg (Leads for wiring not included)

Maximum power output .................................................................................................................... 300 W

× 2 / 800 W × 1

Continuous power output ........................................................ 150 W

× 2 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.08% THD)

400 W

× 1 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.8% THD)

200 W

× 2 (at 14.4 V, 2 , 20 -- 20,000 Hz, 0.8% THD)

Load impedance ............................................................................................................................ 4

(2 -- 8 allowable)

(Bridge connection: 4 -- 8

allowable)

Frequency response ............................................................................................................ 10 -- 50,000 Hz (+0 dB, 1 dB)

Signal-to-noise ratio ...................................................................................................................... 100 dB (IEC-A network)

Distortion ............................................................................................................................................ 0.008% (10 W, 1 kHz)

Separation ........................................................................................................................................................ 65 dB (1 kHz)

Low pass filter ................................................................................................................................ Cut off frequency: 80 Hz

Cut off slope: 12 dB/oct

Maximum input level/impedance .................................................................................... RCA: 6.5 V/22 k

(0.2 -- 6.5 V)

Speaker: 26 V/40 k

(0.8 -- 26 V)

Note:

· Specifications and the design are subject to possible modification without notice

due to improvements.

*Average current drawn

· The average current drawn is nearly the maximum current drawn by this unit

when an audio signal is input. Use this value when working out total current

drawn by multiple power amplifiers.

GM-X572

Power source .............................................................................................................. 14.4 V DC (10.8 -- 15.1 V allowable)

Grounding system ............................................................................................................................................ Negative type

Current consumption ........................................................................................................ 18.9 A (at continuous power, 4

)

Average current drawn* ............................................................................................................ 6.4 A (4

for two channels)

10.1 A (4

for one channel)

Fuse .......................................................................................................................................................................... 20 A

× 2

Dimensions ........................................................................................................................ 265 (W)

× 50 (H) × 237 (D) mm

Weight ...................................................................................................................... 2.8 kg (Leads for wiring not included)

Maximum power output .................................................................................................................... 150 W

× 2 / 400 W × 1

Continuous power output .......................................................... 75 W

× 2 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.08% THD)

200 W

× 1 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.8% THD)

100 W

× 2 (at 14.4 V, 2 , 20 -- 20,000 Hz, 0.8% THD)

Load impedance ............................................................................................................................ 4

(2 -- 8 allowable)

(Bridge connection: 4 -- 8

allowable)

Frequency response ............................................................................................................ 10 -- 50,000 Hz (+0 dB, 1 dB)

Signal-to-noise ratio ...................................................................................................................... 100 dB (IEC-A network)

Distortion ............................................................................................................................................ 0.008% (10 W, 1 kHz)

Separation ........................................................................................................................................................ 65 dB (1 kHz)

Low pass filter ................................................................................................................................ Cut off frequency: 80 Hz

Cut off slope: 12 dB/oct

Maximum input level/impedance .................................................................................... RCA: 6.5 V/22 k

(0.2 -- 6.5 V)

Speaker: 26 V/40 k

(0.8 -- 26 V)

Note:

· Specifications and the design are subject to possible modification without notice

due to improvements.

*Average current drawn

· The average current drawn is nearly the maximum current drawn by this unit

when an audio signal is input. Use this value when working out total current

drawn by multiple power amplifiers.

GM-X372

Power source .............................................................................................................. 14.4 V DC (10.8 -- 15.1 V allowable)

Grounding system ............................................................................................................................................ Negative type

Current consumption ........................................................................................................ 14.4 A (at continuous power, 4

)

Average current drawn* ............................................................................................................ 5.0 A (4

for two channels)

7.5 A (4

for one channel)

Fuse .................................................................................................................................................................................. 25 A

Dimensions ........................................................................................................................ 255 (W)

× 50 (H) × 169 (D) mm

Weight ...................................................................................................................... 2.0 kg (Leads for wiring not included)

Maximum power output .................................................................................................................... 100 W

× 2 / 240 W × 1

Continuous power output .......................................................... 50 W

× 2 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.15% THD)

120 W

× 1 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.8% THD)

60 W

× 2 (at 14.4 V, 2 , 20 -- 20,000 Hz, 0.8% THD)

Load impedance ............................................................................................................................ 4

(2 -- 8 allowable)

(Bridge connection: 4 -- 8

allowable)

Frequency response ............................................................................................................ 10 -- 50,000 Hz (+0 dB, 1 dB)

Signal-to-noise ratio ...................................................................................................................... 100 dB (IEC-A network)

Distortion ............................................................................................................................................ 0.008% (10 W, 1 kHz)

Separation ........................................................................................................................................................ 60 dB (1 kHz)

Low pass filter ................................................................................................................................ Cut off frequency: 80 Hz

Cut off slope: 12 dB/oct

Maximum input level/impedance .................................................................................... RCA: 6.5 V/22 k

(0.2 -- 6.5 V)

Speaker: 26 V/40 k

(0.8 -- 26 V)

Note:

· Specifications and the design are subject to possible modification without notice

due to improvements.

*Average current drawn

· The average current drawn is nearly the maximum current drawn by this unit

when an audio signal is input. Use this value when working out total current

drawn by multiple power amplifiers.

Ajuste de esta unidad

Control de ganancia

Si el nivel del sonido está muy bajo, aún

cuando se aumenta el volumen del

equipo estéreo para automóvil usado con

este amplificador de potencia, gire a la

derecha el control de ganancia en la

parte delantera del amplificador de

potencia. Si hay distorsión del sonido

cuando se aumenta el volumen del

equipo estéreo de automóvil, gire los

controles a la izquierda.

· Cuando se usa un estéreo de automóvil

equipado con RCA (salida estándar de

500 mV), ajuste a la posición NORMAL.

Cuando use con un estéreo de automóvil

Pioneer equipado con RCA con una salida

máxima de 4 V o más, ajuste el nivel para

adecuarse al nivel de salida del estéreo del

automóvil.

· Si se oye ruido excesivo cuando se usan los

terminales de entrada de altavoz, gire el

control de nivel a la izquierda.

Indicador de alimentación

El indicador de alimentación se ilumina

cuando la unidad se encuentra activada.

Interruptor BFC (Control de la

frecuencia de batido)

Si escucha sonidos de batido mientras

está recibiendo una emisora de AM con

su estéreo de automóvil, cambie el

interruptor BFC usando un

destornillador pequeño.

Antes de usar este producto

Muchas gracias por la adquisición de este

producto PIONEER. Antes de tratar de

operarlo, lea atentamente este manual.

Composición de manual

Este manual se aplica a los modelos GM-

X972, GM-X572 y GM-X372. Sin

embargo, las ilustraciones solamente

muestran el GM-X972.

En caso de desperfectos

Si esta unidad no funciona correctamente,

póngase en contacto con su distribuidor o

con el Centro de Servicio PIONEER

autorizado más cercano.

ADVERTENCIA

· Siempre utilice el cable de batería rojo especial y

el cable de tierra [RD-223], vendidos separada-

mente. Conecte el cable de batería directamente al

terminal positivo de la batería del vehículo (+) y

el cable de tierra a la carrocería del vehículo.

· No toque en el amplificador con las manos

mojadas. Caso contrario, usted puede llevar un

choque eléctrico. Igualmente, no toque en el

amplificador cuando esté mojado.

· Para seguridad del tráfico y para mantener condi-

ciones de conducción seguras, mantenga el volu-

men suficientemente bajo de manera que aun se

pueda escuchar el sonido del tráfico normal.

· Verifique las conexiones del suministro de energía

y altavoces para ver si el fusible del cable de

batería vendido separadamente o el fusible del

amplificador se queman. Detecte la causa y solu-

cione el problema, y reemplace el fusible con un

otro del mismo tamaño y régimen.

· Para evitar mal funcionamiento del amplificador y

altavoces, el circuito de protección cortará la ali-

mentación al amplificador (el sonido se detendrá)

cuando se produzca una situación anormal. En tal

caso, apague el sistema y verifique la conexión de

la alimentación y altavoces. Detecte la causa y

resuelva el problema.

· Contacte a su distribuidor si no puede detectar la

causa.

· Para evitar choques eléctricos o cortocircuitors

durante la conexión e instalación, asegúrese de

desconectar el terminal negativo () de la batería

antes de proceder.

· Confirme que ninguna parte quede detrás del

panel, cuando perfore un orificio para la insta-

lación del amplificador. Asegúrese de proteger

todos los cables y equipos importantes, tales como

líneas de combustibles, líneas de frenos y el

cableado eléctrico.

Interruptor de selección LPF (Filtro de paso bajo)

Ajuste el interruptor de selección LPF de la manera siguiente, de acuerdo al tipo de altavoz

que se encuentra conectado al conector de salida de altavoz y al sistema estéreo de

automóvil:

Interruptor de

Gama de frecuencia

Tipo de

Observaciones

selección LPF

de audio a ser generada altavoz

LPF (izquierda)

Gama de frecuencia

Altavoz de

Conecte a un altavoz de

muy baja

graves

graves secundario.

secundario

OFF (derecha)

Gama completa

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