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What is it? A. Check that the shorting pins for the Showcase Amplifier are inserted into the XLR inputs (the unit is shipped with the pins in place). When using the single-ended inputs, shorting pins must be inserted between pins 1 and 3 to keep external noise from corrupting the signal. For more information, see Connecting the Showcase Amplifier to Your System, on page 10. Q. I cannot turn the amplifier on. Why not? A. Make sure the stand-by LED is not flashing. If the stand-by LED is flashing,