User manual JBL GT5 A604

[. . . ] · Choose a safe mounting location away from moisture. · Make sure there is sufficient air circulation at the mounting location for the amplifier to cool itself. · Mount the amplifier, using the supplied hardware. [. . . ] 9 Protect LED · Illuminated under any of the following fault conditions: battery over/under voltage, short circuit in speaker wires, amplifier is too hot, amplifier's output circuit has failed (DC voltage present in the amplifier's output). A Rear Bass-Boost Control · Provides up to 6dB of boost at 50Hz. Set the Bass-Boost control according to your preference, being careful not to apply enough boost to damage the speaker(s). B Rear Crossover-Frequency Control · 12dB/octave crossover, variable from 32Hz to 320Hz. C Rear Crossover-Filter Selector · LP: Select for subwoofer(s). · FLAT: Select for full-range speakers when no subwoofer will be used in the system. · HP: Select for midrange speakers or full-range speakers when a subwoofer is used in the system. D Rear Input-Level Control · Used to match the rear input level of the amplifier to the output level of the source unit. · See F for the adjustment procedure. E Rear Input Connectors (RCA) · Connect to rear RCA outputs from the source unit or signal processor. F Setting Input Level A Turn all Input-Level controls counterclockwise to 6V (minimum). B With a dynamic music track playing, turn head unit's volume control to the 3/4 position. C Turn Front Input-Level control clockwise until the music is so loud that it no longer sounds clear (distortion is present in the output). D Turn Front-Input-Level control counterclockwise gradually, just until the music sounds clear, once again. [. . . ] 250 Crossways Park Drive, Woodbury, NY 11797 www. jbl. com © 2008 Harman International Industries, Incorporated. JBL is a trademark of Harman International Industries, Incorporated, registered in the United States and/or other countries. GT5A604OM 3/08 We, Harman Consumer Group, Inc. [. . . ]