Kenwood KDC-BT53U Quick Start Guide 1 - Page 10

Before installation

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Before installation # WARNING • The unit can only be installed in a car with a 12V DC power supply, negative ground. • If you connect the ignition wire (red) and the battery wire (yellow) to the car chassis (ground), you may cause a short circuit, that in turn may start a fire. Always connect those wires to the power source running through the fuse box. ! CAUTION • Use the power harness enclosed with this unit for connecting power. Using a power harness enclosed with other models can cause malfunction. • Install this unit in the console of your vehicle. • Do not touch the metal parts of this unit during and shortly after use of the unit. Metal parts such as the heat sink and enclosure become hot. • Mounting and wiring this product requires skills and experience. For safety's sake, leave the mounting and wiring work to professionals. • If you experience any problem during installation, consult your Kenwood dealer. • Disconnect the battery's negative terminal before installing the unit. • Insulate unconnected wires with vinyl tape or other similar materials. To prevent a short circuit, do not remove the caps on the ends of the unconnected wires and terminals. • Be sure to ground this unit to the car's chassis again after mounting. • If the fuse blows, first make sure the wires are not touching other parts to cause a short circuit, and then replace the old fuse with one with a new the same rating. • When connecting only two speakers, connect the connectors either to both of the front output terminals or to both of the rear output terminals (do not mix front and rear terminals). For example, if you connect the + connector of the left speaker to a front output terminal, do not connect the - connector to a rear output terminal. • Connect the speaker wires correctly to the corresponding terminals. The unit may be damaged or fail to work if you share the - wires or ground them to any metal part in the car. • Do not use your own screws. Use only the supplied screws. Using wrong screws, could damage the unit. • If your car's ignition key switch does not have an ACC position, connect the ignition wires to a power source that can be turned on and off with the ignition key. If you connect the ignition wires to a constant-voltage power source, as with battery wires, the battery may die. • If the console has a lid, make sure to install the unit so that the faceplate will not hit the lid when it is closed or opened. • After the installing the unit, check whether the brake lamps, blinkers, wipers, etc. on the car are working properly. • Mount the unit so that the mounting angle is 30° or less. • Reception may become poor if there are metal objects near the Bluetooth antenna. (KDC-BT73DAB, KDC-BT53U only) Bluetooth antenna unit KDC-BT73DAB • This unit has the cooling fan to decrease the internal temperature. Do not mount the unit in a place where the cooling fan of the unit are blocked. Blocking these openings will inhibit the cooling of the internal temperature and result in malfunction. Cooling fan 10 | Quick Start Guide

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Quick Start Guide
#
WARNING
• The unit can only be installed in a car with
a 12V DC power supply, negative ground.
• If you connect the ignition wire (red)
and the battery wire (yellow) to the car
chassis (ground), you may cause a short
circuit, that in turn may start a fire. Always
connect those wires to the power source
running through the fuse box.
!
CAUTION
• Use the power harness enclosed with this
unit for connecting power. Using a power
harness enclosed with other models can
cause malfunction.
• Install this unit in the console of your
vehicle.
• Do not touch the metal parts of this unit
during and shortly after use of the unit.
Metal parts such as the heat sink and
enclosure become hot.
• Mounting and wiring this product
requires skills and experience. For safety’s
sake, leave the mounting and wiring work
to professionals.
• If you experience any problem during
installation, consult your Kenwood dealer.
• Disconnect the battery’s negative terminal
before installing the unit.
• Insulate unconnected wires with vinyl
tape or other similar materials. To prevent
a short circuit, do not remove the caps on
the ends of the unconnected wires and
terminals.
• Be sure to ground this unit to the car’s
chassis again after mounting.
• If the fuse blows, first make sure the wires
are not touching other parts to cause a
short circuit, and then replace the old fuse
with one with a new the same rating.
• When connecting only two speakers,
connect the connectors either to both
of the front output terminals or to both
of the rear output terminals (do not mix
front and rear terminals). For example, if
you connect the
+
connector of the left
speaker to a front output terminal, do
not connect the
-
connector to a rear
output terminal.
• Connect the speaker wires correctly to the
corresponding terminals. The unit may
be damaged or fail to work if you share
the
-
wires or ground them to any metal
part in the car.
• Do not use your own screws. Use only
the supplied screws. Using wrong screws,
could damage the unit.
• If your car’s ignition key switch does
not have an ACC position, connect the
ignition wires to a power source that can
be turned on and off with the ignition
key. If you connect the ignition wires to
a constant-voltage power source, as with
battery wires, the battery may die.
• If the console has a lid, make sure to
install the unit so that the faceplate will
not hit the lid when it is closed or opened.
• After the installing the unit, check
whether the brake lamps, blinkers, wipers,
etc. on the car are working properly.
• Mount the unit so that the mounting
angle is 30° or less.
• Reception may become poor if there are
metal objects near the Bluetooth antenna.
(KDC-BT73DAB, KDC-BT53U only)
Bluetooth antenna unit
KDC-BT73DAB
• This unit has the cooling fan to decrease
the internal temperature. Do not mount
the unit in a place where the cooling
fan of the unit are blocked. Blocking
these openings will inhibit the cooling
of the internal temperature and result in
malfunction.
Cooling fan
Before installation