Kenwood DDX4028BT Installation Manual page 3

• Insulate unconnected wires with vinyl tape or
other similar material. To prevent a short circuit,
do not remove the caps on the ends of the
unconnected wires or the terminals.
• Connect the speaker wires correctly to the
terminals to which they correspond. The unit may
be damaged or fail to work if you share the -
wires or ground them to any metal part in the car.
• When only two speakers are being connected
to the system, connect the connectors either to
both the front output terminals or to both the
rear output terminals (do not mix front and rear).
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.
• After the unit is installed, 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.
• Do not press hard on the panel surface when
installing the unit to the vehicle. Otherwise scars,
damage, or failure may result.
• 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.
DDX4028BT/ DDX4058BT only
• Install the Bluetooth adaptor (KS-UBT1) besides
Cooling fan
the place enclosed by the metal.
Bluetooth adaptor (KS-UBT1)
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CAUTION
Install this unit in the console of your
vehicle.
Do not touch the metal part of this unit
during and shortly after the use of the
unit. Metal part such as the heat sink and
enclosure become hot.
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