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Connecting the Units
Notes
•
This unit is for vehicles with a 12-volt battery and negative grounding. Before installing it in
a recreational vehicle, truck, or bus, check the battery voltage.
•
To avoid shorts in the electrical system, be sure to disconnect the
-
battery cable before
beginning installation.
•
Refer to the owner’s manual for details on connecting the power amp and other units, then
make connections correctly.
•
Secure the wiring with cable clamps or adhesive tape. To protect the wiring, wrap adhesive
tape around them where they lie against metal parts.
•
Route and secure all wiring so it cannot touch any moving parts, such as the gear shift,
handbrake and seat rails. Do not route wiring in places that get hot, such as near the heater
outlet. If the insulation of the wiring melts or gets torn, there is a danger of the wiring short-
circuiting to the vehicle body.
•
Do not pass the yellow lead through a hole into the engine compartment to connect to the
battery. This will damage the lead insulation and cause a very dangerous short.
•
Do not shorten any leads. If you do, the protection circuit may fail to work when it should.
•
Never feed power to other equipment by cutting the insulation of the power supply lead of
the unit and tapping into the lead. The current capacity of the lead will be exceeded, causing
overheating.
•
When replacing the fuse, be sure to only use a fuse of the rating prescribed on this product.
•
Since a unique BPTL circuit is employed, never wire so the speaker leads are directly
grounded or the left and right
-
speaker leads are common.
•
Speakers connected to this unit must be highpower with minimum rating of 50 W and
impedance of 4 to 8 ohms. Connecting speakers with output and/or impedance values other
than those noted here may result in the speakers catching fire, emitting smoke or becoming
damaged.
•
When this product’s source is switched ON, a control signal is output through the blue/white
lead. Connect to an external power amp’s system remote control or the car’s Auto-antenna
relay control terminal (max. 300 mA 12 V DC). If the car features a glass antenna, connect
to the antenna booster power supply terminal.
•
When an external power amp is being used with this system, be sure not to connect the blue/
white lead to the amp’s power terminal. Likewise, do not connect the blue/white lead to the
power terminal of the auto-antenna. Such connection could cause excessive current drain
and malfunction.
•
To avoid short-circuiting, cover the disconnected lead with insulating tape. Insulate the
unused speaker leads without fail. There is a possibility of a short-circuiting if the leads are
not insulated.
•
To prevent incorrect connection, the input side of the IP-BUS connector is blue, and the
output side is black. Connect the connectors of the same colors correctly.
•
If this unit is installed in a vehicle that does not have an ACC (accessory) position on the
ignition switch, the red lead of the unit should be connected to a terminal coupled with
ignition switch ON/OFF operations. If this is not done, the vehicle battery may be drained
when you are away from the vehicle for several hours.
•
The black lead is ground. Please ground this lead separately from the ground of high-current
products such as power amps.
If you ground the products together and the ground becomes detached, there is a risk of
damage to the products or fire.
ACC position
No ACC position
•
Cords for this product and those for other products may be different colors even if they have
the same function. When connecting this product to another product, refer to the supplied
manuals of both products and connect cords that have the same function.
MAN-DEH-P4800MP-GB.fm Page 3 Thursday, September 29, 2005 11:55 AM
