Pioneer DMH-240EX Installation Manual - Page 3

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(Maximum input power) and between 4

Ω to 8 Ω (impedance value). Do not use 1

Ω to 3 Ω speakers for this unit.

• The black cable is ground. When

installing this unit or power amp (sold

separately), make sure to connect the

ground wire first. Ensure that the ground

wire is properly connected to metal parts

of the car's body. The ground wire of the

power amp and the one of this unit or

any other device must be connected to

the car separately with different screws. If

the screw for the ground wire loosens or

falls out, it could result in fire generation

of smoke or malfunction.

Ground wire

POWER AMP

Other devices

Metal parts of car's

(Another electronic

body

device in the car)

*1 Non supplied for this unit

• When replacing the fuse, be sure to only

use a fuse of the rating prescribed on this

product.

• This product cannot be installed in a

vehicle without ACC (accessory) position

on the ignition switch.

ACC position

No ACC position

• To avoid short-circuiting, cover the

disconnected lead with insulating tape. It

is especially important to insulate all

unused speaker leads, which if left

uncovered may cause a short circuit.

• For connecting a power amp or other

devices to this product, refer to the

manual for the product to be connected.

• The graphical symbol

placed on

the product means direct current.

Notice for the blue/

white lead

• When the ignition switch is turned on

(ACC ON), a control signal is output

through the blue/white lead. Connect to

an external power amp's system remote

control terminal, the auto-antenna relay

control terminal, or the antenna booster

power control terminal (max. 300 mA 12

V DC). The control signal is output

through the blue/white lead, even if the

audio source is switched off.

This product

Microphone 3 m (9 ft. 10-1/8 in.)

This product

Antenna jack

Wired remote input (SWC)

Hard-wired remote control adapter can

be connected (sold separately).

Pre out supply (REAR VIEW CAMERA

IN)

Fuse (10 A)

Power supply

Power cord

To power supply

Power cord

Yellow

To terminal supplied with power

regardless of ignition switch position.

Red

To electric terminal controlled by

ignition switch (12 V DC) ON/OFF

Orange/white

To lighting switch terminal.

Black (ground)

To vehicle (metal) body.

Violet/white

Of the two lead wires connected to the

back lamp, connect the one in which

the voltage changes when the gear shift

is in the REVERSE (R) position. This

connection enables the unit to sense

whether the car is moving forward or

backward.

Yellow/black

If you use an equipment with Mute

function, wire this lead to the Audio

Mute lead on that equipment. If not,

keep the Audio Mute lead free of any

connections.

Blue/white

Connect to system control terminal of

the power amp (max. 300 mA 12 V DC).

Light green

Used to detect the ON/OFF status of the

parking brake. This lead must be

connected to the power supply side of

the parking brake switch.

If this connection is made incorrectly

or omitted, certain functions of this

product will be unusable.

Power supply side

Parking brake switch

Ground side

Speaker leads

To power supply

Power cord

Left

Right

Front speaker

Rear speaker

White

White/black

Gray

Gray/black