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If the Unit does not turn-on, and/or the power indicator LED is Not
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illuminated, do this.
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1. Check and make sure that B+ and GND are not reversed.
2. Check that all power Wires are properly connected and has the
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appropiate voltage, 11 - 16 volts.
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3. Check that the fuse is intact.
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If you experience high audible distortion or low output volume
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4. Check that the input and output levels are set correctly. Input should
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match the source and output should match the sensitivity of the host.
5. Check the crossover settings: make sure they are connected; for
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high systems, set the crossover half an octave above the desired point
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and for low Q systems, set it 1 octave or more.
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If you experience engine noise
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6. Verify that the GND connection is secure, the conductor (wire) is not
too thin and unnecessarily long.
7. Check that the B+ wire is not too thin and unnecessarily long.
8. Change the power source: try taking power source from a different
point.
9. Check the chassis ground, remove any paint, etc...
TAPPING SCREW
SPRING WASHER
PLAIN WASHER
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