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Mic/Line Input Signal Controls
The input signal processor chain allows adjustments to program or microphone audio
material before input to the main mixer.
Gain Control (GAIN)
The gain control provides a single long-throw fader with a range of –18dB to +80dB,
adjustable in 1 dB increments with the fader, or in 0.1dB increments using direct entry
in the input signal level readout below the fader. The
peak reading meter holds the peak level for one second,
displaying it numerically in the box below the meter. The
default setting is unity gain (0.0dB).
The Phantom Power checkbox, accessible in the
dialog box, toggles the +48 VDC phantom power on
and off. Phantom power is typically used to power a
condenser microphone.
The Mute button, accessible in the dialog box, silences
the input.
The Polarity button, accessible in the dialog box,
allows the polarity of the wires connected to the audio
connectors (+/tip and –/ring) to be flipped to correct for
miswired connectors.
Fader Handle
Input
Signal Level
Readout
DMP64 • Software Control 30