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ENGLISH
Installation
Fastening the front panel
If you do not plan to detach the front panel, the front panel can be fastened with
supplied screw.
Screw
Connecting the Units
Notes
• When this unit is installed in a vehicle without ACC (accessory) position on the ignition
switch, red cable must be wired to the terminal that can detect the operation of the ignition
key. Otherwise, battery drain may result.
• Use this unit in other than the following conditions could result in fire or malfunction.
– Vehicles with a 12-volt battery and negative grounding.
– Speakers with 50 W (output value) and 4 ohm to 8 ohm (impedance value).
• To prevent short-circuit, overheating or malfunction, be sure to follow the directions below.
– Disconnect the negative terminal of the battery before installation.
– Secure the wiring with cable clamps or adhesive tape. To protect the wiring, wrap
adhesive tape around them where they lie against metal parts.
– Place all cables away from moving parts, such as gear shift and seat rails.
– Place all cables away from hot places, such as near the heater outlet.
– Do not pass the yellow cable through a hole into the engine compartment to connect to a
battery.
– Cover any disconnected cable connectors with insulating tape.
– Do not shorten any cables.
– Never cut the insulation of the power cable of this unit in order to share the power to other
equipment. Current capacity of the cable is limited.
– Use a fuse of the rating prescribed.
– Never wire the speaker negative cable directly to ground.
– Never band together multiple speaker’s negative cables.
• Control signal is output through blue/white cable when this unit is powered on. Connect it to
an external power amp’s system remote control or the vehicle’s auto-antenna relay control
terminal (max. 300 mA, 12 V DC). If the vehicle is equipped with a glass antenna, connect
it to the antenna booster power supply terminal.
• Never connect blue/white cable to external power amp’s power terminal. Also, never
connect it to the power terminal of the auto antenna. Otherwise, battery drain or malfunction
may result.
• Black cable is ground. This cable and other product’s ground cable (especially, high-current
products such as power amp) must be wired separately. Otherwise, fire or malfunction may
result if they are accidentally detached.
ACC position No ACC position
• Cord function may differ according to the product, even if cord color is the same. When
connecting this system, be sure to check all manuals and connect cords correctly.
MAN-DEH-3900MP-GB.fm Page 4 Monday, January 15, 2007 3:45 PM