JVC KW-R925BTS Instruction Manual - Page 36

INSTALLATION / CONNECTION Warning • The unit can only be used with a 12 V DC power supply, negative ground. • Disconnect the battery's negative terminal before wiring and mounting. • Do not connect Battery wire (yellow) and Ignition wire (red) to the car chassis or Ground wire (black) to prevent a short circuit. • Insulate unconnected wires with vinyl tape to prevent a short circuit. • Be sure to ground this unit to the car's chassis again after installation. Caution • For safety's sake, leave wiring and mounting to professionals. Consult the car audio dealer. • 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. • Do not connect the wires of speakers to the car chassis or Ground wire (black), or connect them in parallel. • Connect speakers with a maximum power of more than 50 W. If the maximum power of the speakers is lower than 50 W, change the [AMP GAIN] setting to avoid damaging the speakers. ( 21) • Mount the unit at an angle of less than 30º. • If your vehicle wiring harness does not have the ignition terminal, connect Ignition wire (red) to the terminal on the vehicle's fuse box which provides 12 V DC power supply and is turned on and off by the ignition key. • Keep all cables away from heat dissipate metal parts. • After the unit is installed, check whether the brake lamps, blinkers, wipers, etc. on the car are working properly. • If the fuse blows, first make sure the wires are not touching car's chassis, then replace the old fuse with one that has the same rating. Basic procedure 1 Remove the key from the ignition switch, then disconnect the terminal of the car battery. 2 Connect the wires properly. See Wiring connection. ( 33) 3 Install the unit to your car. See Installing the unit (in-dash mounting). 4 Connect the terminal of the car battery. 5 Press to turn on the power. 6 Reset the unit within 5 seconds. ( 3) 32 Installing the unit (in-dash mounting) Install onto the car brackets using the supplied screws (B) or (C). The screw holes differ depending on the model of the cars. Do the required wiring. ( 33) Car bracket Dashboard of your car Use only the specified screws. Using wrong screws might damage the unit. Part list for installation (A) Wiring harness (B) Flat head screw (C) Round head screw M5 × 8 mm (M5 × 3/8") M5 × 8 mm (M5 × 3/8") Output terminals KW-R925BTS REAR FRONT SW KW-R920BTS FRONT REAR/SW For 2-way crossover setting : Rear output : Front output : Subwoofer output : Front output : Rear/subwoofer output For 3-way crossover setting : Tweeter output : Mid Range output : Woofer output : Mid Range output : Woofer output