Pioneer GM-3000T Benutzerhandbuch - Seite 2

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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.

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

• Make sure that wires will not interfere with mov-

to avoid the risk of short-circuit and damage to

ing parts of the vehicle, such as the gearshift,

the unit.

handbrake or seat sliding mechanism.

• Secure the wiring with cable clamps or adhesive

• Do not shorten any wires. Otherwise the protec-

tape. To protect the wiring, wrap adhesive tape

tion circuit may fail to work when it should.

around it where they lie against metal parts.

• Never feed power to other equipment by cutting

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

the insulation of the power supply wire to tap

example where the heater will blow over them. If

from the wire. The current capacity of the wire

the insulation heats up, it may become damaged,

will be exceeded, causing overheating.

resulting in a short-circuit through the vehicle

• Never replace the fuse with one of greater value

body.

or rating than the original fuse. Use of an improp-

er fuse could result in overheating and smoke and

could cause damage to the product and injury

including burns.

CAUTION:

To prevent damage and/or injury

• Do not ground the speaker wire directly or con-

• Speakers to be connected to the amplifier should

nect a negative (–) lead wire for several speakers.

conform with the standards listed below. If they

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

do not conform, they may catch fire, emit smoke

negative grounding. Before installing it in a recre-

or become damaged. The speaker impedance must

ational vehicle, truck or bus, check the battery

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

voltage.

ohms for monaural and other bridge connection.

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

• Install and route the separately sold battery wire

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

as far away as possible from the speaker wires.

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

Install and route the separately sold battery wire,

rest or idling.

ground wire, speaker wires and the amplifier as

• If the system remote control wire of the amplifier

far away as possible from the antenna, antenna

is connected to the power terminal through the

cable and tuner.

ignition switch (12 V DC), the amplifier will

• Cords for this product and those for other prod-

always be on when the ignition is on— regardless

ucts may be different colors even if they have the

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

same function. When connecting this product to

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

another product, refer to the supplied Installation

rest or idling.

manuals of both products and connect cords that

have the same function.

Speaker Channel

Speaker Type

Power

Subwoofer

Nominal input: Min. 55 W

Two-channel

Other than subwoofer

Max. input: Min. 80 W

Subwoofer

Nominal input: Min. 125 W

One-channel

Other than subwoofer

Max. input: Min. 200 W

Connection Diagram

Fuse (30 A)

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

Grommet

After making all other connections at the amplifier,

connect the battery wire terminal of the amplifier to

the positive (+) terminal of the battery.

Fuse (30 A)

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

Connect to metal body or chassis.

Connecting wires with RCA

pin plugs (sold separately).

Car stereo with

RCA output jacks

External Output

Front side

RCA input jack

Speaker input terminal

See the "Using the

Speaker Input" section.

Back side

Fuse (20 A)

Speaker output terminal

System remote control wire (sold separately)

See the "Connecting the

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

Speaker wires" section

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

for speaker connection

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

instructions.

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.