JVC KS-DR3004 Instruction Manual

KS-DR3004B5E-0091-10/01 [W]POWER AMPLIFIER: INSTRUCTION MANUALEnglishWARNING• If the fuse blows, first make sure the wires aren’t touching to causea short circuit then replace the old fuse with one with the samerating.• Do not let pebbles, sand or metallic objects get inside the unit.• Do not touch the unit during use because the surface of the unitbecomes hot and may cause burns if touched.CAUTIONThis unit is designed to operate on 12 V DC, NEGATIVE groundelectrical systems. JVC recommends consulting a qualified technicianfor installation.• To prevent short circuits while making connections, keep thebattery’s negative terminal disconnected.• This unit uses BTL (Balanced Transformerless) amplifier circuitry,i.e., floating ground system, so comply with the following:– Do not connect the “·” terminals of the speakers to each other.– Do not connect the “·” terminals of the speakers to the metalbody or chassis.• Cover the unused leads with insulating tape to prevent them fromshort circuiting.• DO NOT disassemble the unit since there are no user serviceableparts inside.• To keep the heat dissipation mechanism running effectively, wipethe accumulated dust off periodically.• Listening to the tape, radio, CD or digital audio player, etc. withthe volume set at a high level for a long period of time will exhaustthe battery, while the engine is turned off or while the engine isidling.• Use the speakers which have sufficient capacity to the unit.