Manual Pioneer GM-ME500X1 (page 2 of 7) (English, French)

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CAUTION

!Always keep the volume low enough to hear

outside sounds.

!Extended use of the stereo while the engine is

at rest or idling may exhaust the battery.

!This product is evaluated in moderate and tro-

pical climate condition under the Audio, video

and similar electronic apparatus - Safety re-

quirements, IEC 60065.

!The graphical symbol placed on the

product means direct current.

!Connect either of three subwoofers to the am-

plifier; 1: a subwoofer with a 300 W or larger

nominal input and an impedance 4 W, 2: a

subwoofer with a 500 W or larger nominal

input and an impedance 2 W, or 3: a subwoofer

with a 800 W or larger nominal input and an

impedance 1 W.

If the nominal input and impedance are out of

the above ranges, the subwoofer may catch

fire, emit smoke or become damaged.

About the protection function

This product has protection function. When this

product detects something abnormal, the follow-

ing functions will operate to protect the product

and speaker output.

!The POWER/PROTECT indicator will turn red

and the amplifier will shut down in the situa-

tions outlined below.

—If the temperature inside the amplifier gets

too high.

—If a DC voltage is applied to the speaker

output terminal.

!The POWER/PROTECT indicator will turn red

and the output will be muted in the situations

outlined below.

—If the speaker output terminal and speaker

wire are short-circuited.

What’s what

Front side

21 3 4

Rear side

To adjust the switch, use a flathead screwdri-

ver if needed.

1POWER/PROTECT indicator

The power indicator lights up to indicate

power ON.

!If something is not normal, the indicator

turns red.

2GAIN (gain) control

If the output remains low, even when the

stereo volume is turned up, turn the con-

trols to a lower level. If distortion occurs

when the stereo volume is turned up, turn

these controls to a higher level.

!For use with an RCA equipped stereo

(standard output of 500 mV), set to the

NORMAL position. For use with an RCA

equipped Pioneer stereo, with maximum

output of 4 V or more, adjust level to

match that of the stereo output.

!For use with an RCA equipped stereo

with output of 4 V, set to the Hposition.

!If you hear too much noise when using

the speaker input terminals, turn the

gain control to higher level.

3LPF (low-pass filter) cut off frequency

control

You can select a cut off frequency from

40 Hz to 240 Hz.

<5707000012820V>5

Before you start Setting the unit

4SUBSONIC FILTER Switch

When turned ON, frequencies of 30 Hz and

below are cut.

Setting gain properly

!Protective function included to prevent

malfunction of the unit and/or speakers

due to excessive output, improper use or

improper connection.

!When outputting high volume sound etc.,

this function cuts off the output for a few

seconds as a normal function, but output

is restored when the volume of the head

unit is turned down.

!A cut in sound output may indicate impro-

per setting of the gain control. To ensure

continuous sound output with the head

unit at a high volume, set amplifier gain

control to a level appropriate for the preout

maximum output level of the head unit, so

that volume can remain unchanged and to

control excess output.

!Despite correct volume and gain settings,

the unit sound still cuts out periodically. In

such cases, please contact the nearest

authorized Pioneer Service Station.

Gain control of this unit

Preout level: 2 V (Standard: 500 mV)

Preout level: 4 V

Above illustration shows NORMAL gain set-

ting.

Relationship between amplifier gain

and head unit output power

If amplifier gain is raised improperly, this will

simply increase distortion, with little increase

in power.

Signal waveform when outputting at

high volume using amplifier gain

control

If the signal waveform is distorted due to high

output, even if the amplifier gain is raised, the

output power will change only slightly.

<5707000012820V>6

Setting the unit

Connection diagram

1Battery wire (sold separately)

!The maximum length of the wire be-

tween the fuse and the positive +term-

inal of the battery is 30 cm (12 in.).

!For the wire size, refer to Connecting the

power terminal. The battery wire, the

ground wire and the optional direct

ground wire must be same size. After

making all other connections at the am-

plifier, connect the battery wire terminal

of the amplifier to the positive +term-

inal of the battery.

2Fuse (80 A) (sold separately)

Each amplifier must be separately fused at

80 A.

3Positive +terminal

4Negative (*) terminal

5Battery (sold separately)

6Ground wire, Terminal (sold separately)

The ground wires must be same size as the

battery wire.

7Stereo with RCA output jacks (sold separately)

8External output

9Connecting wire with RCA pin plugs (sold se-

parately)

aAmplifier with RCA input jacks (sold sepa-

rately)

bRCA input jack

cRCA output jack

dSystem remote control wire (sold separately)

eSpeaker output terminals

Please see the following section for speaker

connection instructions. Refer to Connections

when using the speaker input wire.

fFuse (40 A) × 2

gFront side

hRear side

Before connecting the

amplifier

WARNING

!Secure the wiring with cable clamps or adhe-

sive tape. To protect the wiring, wrap sections

in contact with metal parts in adhesive tape.

!Never cut the insulation of the power supply

to feed power to other equipment. Current ca-

pacity of the wire is limited.

CAUTION

!To prevent water from entering the amplifier,

attach a cover or cap to each terminal when

not in use.

!Never shorten any wires, the protection circuit

may malfunction.

!Never wire the speaker negative cable directly

to ground.

!Never band together multiple speaker’s nega-

tive cables.

!If the system remote control wire of the ampli-

fier is connected to the power terminal via the

ignition switch (12 V DC), the amplifier will re-

main on with the ignition whether the stereo

is on or off, which may exhaust battery if the

engine is at rest or idling.

<5707000012820V>7

Connecting the units

!Install and route the separately sold battery

wire as far as possible from the speaker wires.

Install and route the separately sold battery

wire, ground wire, speaker wires and the am-

plifier as far away as possible from the anten-

na, antenna cable and tuner.

Connecting the speakers

This amplifier can be connected to two speak-

ers in parallel. Connect the speaker leads to

suit the mode according to the figure shown

below.

Precautions for parallel connection

!When wiring two speakers in parallel, make

sure that the synthetic impedance is from

1Wto 8 Wto prevent the amplifier from

catching fire, generating smoke and/or

being damaged.

!When connected in parallel with the syn-

thetic impedance less than 1 W, as a nor-

mal function, this amplifier may

automatically be set on mute if outputting

high volume sound. Turn down the volume

until the mute function is canceled.

When connecting to one speaker

Speaker output

When connecting to two speakers

The output from two speakers is the same as

that of one speaker.

Speaker output

<5707000012820V>8

Connecting the units

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Pioneer GM-ME500X1 Manual

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