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Precautions
Your new product and this manual
● Do not operate this product, any applications, or the rear
view camera option (if purchased) if doing so will divert your
attention in any way from the safe operation of your vehicle.
Always observe safe driving rules and follow all existing
traffic regulations. If you experience difficulty in operating
this product or reading the display, park your vehicle in a
safe location and apply the parking brake before making the
necessary adjustments.
●
Do not install this product where it may (i) obstruct the
driver’s vision, (ii) impair the performance of any of the
vehicle’s operating systems of safety features, including
airbags, hazard lamp buttons, or (iii) impair the driver’s abil-
ity to safely operate the vehicle. In some cases, it may not be
possible to install this product because of the vehicle type or
the shape of the vehicle interior.
Important safeguards
WARNING
Pioneer does not recommend that you install this
product yourself. This product is designed for
professional installation only. We recommend that only
authorized Pioneer service personnel, who have special
training and experience in mobile electronics, set up and
install this product. NEVER SERVICE THIS PRODUCT
YOURSELF. Installing or servicing this product and its
connecting cables may expose you to the risk of electric
shock or other hazards, and can cause damage to this
product that is not covered by warranty.
Precautions before connecting
the system
WARNING
Do not take any steps to tamper with or disable the
parking brake interlock system which is in place for your
protection. Tampering with or disabling the parking
brake interlock system could result in serious injury or
death.
CAUTION
● Secure all wiring with cable clamps or electrical tape.
Do not allow any bare wiring to remain exposed.
●
Do not directly connect the yellow lead of this product
to the vehicle battery. If the lead is directly connected
to the battery, engine vibration may eventually cause
the insulation to fail at the point where the wire
passes from the passenger compartment into the
engine compartment. If the yellow lead’s insulation
tears as a result of contact with metal parts, short-
circuiting can occur, resulting in considerable danger.
●
It is extremely dangerous to allow cables to become
wound around the steering column or shift lever. Be
sure to install this product, its cables, and wiring
away in such so that they will not obstruct or hinder
driving.
●
Make sure that the cables and wires will not interfere
with or become caught in any of the vehicle’s moving
parts, especially the steering wheel, shift lever,
parking brake, sliding seat tracks, doors, or any of the
vehicle’s controls.
●
Do not route wires where they will be exposed to
high temperatures. If the insulation heats up, wires
may become damaged, resulting in a short circuit or
malfunction and permanent damage to the product.
●
Do not shorten any leads. If you do, the protection
circuit (fuse holder, fuse resistor or filter, etc.) may
fail to work properly.
●
Never feed power to other electronic products by
cutting the insulation of the power supply lead of
this product and tapping into the lead. The current
capacity of the lead will be exceeded, causing
overheating.
Before installing this product
● Use this unit with a 12-volt battery and negative grounding
only. Failure to do so may result in a fire or malfunction.
●
To avoid shorts in the electrical system, be sure to discon-
nect the (–) battery cable before installation.
To prevent damage
WARNING
● Use speakers over 50 W (output value) and between
4Ωto8Ω(impedancevalue).Donotuse1Ωto3Ω
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
Metal parts of car’
s body
POWER AMP
Other devices
(Another electr
onic
device in the car)
● 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.
A
C
C
O
N
S
T
A
R
T
O
F
F
O
N
S
T
A
R
T
O
F
F
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.
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
1
2
3456
1 Microphone 4 m (13 ft. 1 in.)
(AVH-270BT/AVH-271BT)
2
This product
3 Antenna jack
4 Wired remote input
Hard-wired remote control adapter can be connected (sold
separately).
5
Power supply
6 Fuse (10 A)
< CRD4837-B >
Connection Connection
< CRD4837-B > 31