User manual ALPINE PDX-5

[. . . ] Arrange wiring and cables in compliance with the manual to prevent obstructions when driving. When drilling holes in the chassis for installation, take precautions so as not to contact, damage or obstruct pipes, fuel lines, tanks or electrical wiring. Bolts or nuts used for the brake or steering systems (or any other safety-related system), or tanks should NEVER be used for installations or ground connections. Using such parts could disable control of the vehicle and cause fire etc. [. . . ] Attach the four joint caps (supplied with connected amplifier) in the four corners of the first unit with 2 machine screws (M2. Stack the second unit on top of the installed unit, aligning the second unit's feet with the joint caps of the first unit. Remove the four corner top caps of the second unit using the hexagon wrench (large, supplied). Insert the four machine screws (M4 x 36, supplied with connected amplifier) through the top of the second unit into the four joint caps of the lower unit to connect them together. Next, install the third unit as described for the second unit in B above. Before making connections, be sure to turn the power off to all audio components. Connect the yellow battery lead from the amp directly to the positive (+) terminal of the vehicle's battery. cAUTION Caution on connection terminals/parts · Do not allow other objects (particularly electrically conductive) to get too close or in contact with any of the unit's terminals/parts (power supply, fuse, speaker output terminal, RCA connector, etc. Locate the unit and route the leads at least 10 cm (3-15/16") away from the car harness. Keep the battery power leads as far away from other leads as possible. Connect the ground lead securely to a bare metal spot (remove any paint or grease if necessary) of the car chassis. If you add an optional noise suppressor, connect it as far away from the unit as possible. Your Alpine dealer carries various noise suppressors, contact them for further information. Your Alpine dealer knows best about noise prevention measures so consult your dealer for further information. 1 Power Supply Terminal 2 Fuse 3 Speaker Output Terminals Referring to "Cautions on speaker wire connections", insert the speaker wire into the speaker plug, which is then inserted in the speaker output terminal. note: · Fully insert the speaker plug to avoid poor connection, or the wire coming loose due to vehicle vibration, etc. The speaker plug can be connected either way, regardless of polarity indication. 4 RCA Input Jacks Connect these jacks to the line out leads on your head unit using RCA extension cables (sold separately). 5 Battery Lead (sold separately) Be sure to add a a fuse as close as possible to the battery's positive (+) terminal. This fuse will protect your vehicle's electrical system in case of a short circuit. If you need to extend this lead, only use 21mm2 (the wire gauge) for this connection. 6 Remote Turn-On Lead (sold separately) Connect this lead to the remote turn-on or power antenna (positive trigger, (+) 12V only) lead of your head unit. [. . . ] Reduce the gain slightly so the sound is no longer distorted to achieve the optimum gain setting. & Crossover Frequency Adjustment Knob (LP FILTER) Permits the adjustment of the crossover frequency. Rotate the knob to select any frequency between 50 and 200 Hz as the crossover point. B) Set to the "HP" position when the amplifier is used to drive a tweeter/midrange system. [. . . ]