Control Descriptions 11 12 1 Power And Status LEDs: This shows if the amplifier has been correctly powered up and if any faults are pre- sent. 2 Crossover Selector: Set the appropriate mode of operation. The 3 positions available are OFF, LP and 3 Low Pass: Set the crossover switch 2 to LP when a subwoofer is connected.
14 Fuses: Please ensure the correct type of fuse is fitted, as specified in this manual. PLEASE NOTE: the MS-AM504 has 2x 25A fuses. 15 Speaker Output: See channel installation diagrams in this manual for correct speaker connection.
FUSION dealer. Connection FUSION amplifiers are designed to work within a 10 to 16 volt DC range. Before any wires are connected, the vessel’s electrical system should be checked for correct voltage supply with the help of a voltmeter. First, check the voltage at the battery the voltmeter should read between 12 and 13.8 Volts.
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Use a fuse or circuit breaker of equal value as that found on the chassis of your FUSION amplifier. You may now connect the cable to the battery, but remember to leave the fuse out or circuit breaker off until all other cable connections are made.
Inputs & Gain Setup Low Level Inputs Be extra careful with your RCA interconnects. Hiss, engine noise, and fan noise can easily be picked up through RCA cables if run incorrectly. Avoid running your RCAs near large wire looms and electric fans if possible. Run your RCA cables on the opposite side of the power cable.
Power Cable Calculator 0-4ft 4-7ft 7-10ft 10-13ft 13-16ft 16-19ft 19-22ft 22-28ft Total Amperage 0-20 20-35 35-50 50-65 65-85 85-105 105-125 125-150 The above chart shows cable gauges to be used, if no less than a 0.5 volt drop is acceptable. If aluminium wire or tinned wire is used, the gauges should be of an even larger size to compensate.
Trouble Shooting Problem Cause Solution Fuse at battery blown or Replace with correct type and rated fuse. not installed Power LED not ‘ON Check that the ground wire, power wire and the Improper connections remote wires are connected to the correct terminal Fuse blown Replace with correct type and rated fuse.