QSC CM16a Manual download pdf (Page 6)

FUNCTIONS, BLOCK DIAGRAM & DETAILED DESCRIPTIONS (CONTINUED)

AUDIO FUNCTIONS

Audio Inputs- These are the 3-pin terminal block connectors used for balanced line level audio-signal input. This type of connector is sometimes called“Phoenix”or “Euro”

style.

Input Sensitivity- Sets the sensitivity of the Audio Inputs to either 1 Volt or 3 Volts (r.m.s.). This selection should coincide with the level of the audio signal provided for

each channel.

Input Source: Normal/Page- Selects the input source for each channel. Normal input is the audio connected at the Audio Input terminals. Page input is the audio pro-

vided by the Paging Input Module.

Level Control- Provides adjustment of the signal level delivered to the amplifier for each channel. Adjustment is from -95.5dB to 0dB in 0.5 dB steps.

Meter-These points are indicators of where in the audio path the software can “meter” the audio.

Mute- Actively mutes the audio signal being passed by a channel. No signal is delivered to the amplifier when a channel is muted.

Parallel Mode- When parallel mode is selected, the input to the first channel is also applied to the second channel. When in parallel mode, the input is ALWAYS from the

first (or odd numbered) input. The second (or even numbered) input is ignored; this includes the PAGE signal. This feature is useful for sending one input signal to both ampli-

fier channels without having to wire jumpers between the two input connectors. This mode is automatically enabled by the CM16a when the amplifier bridge mode is set to

any of the parallel modes available (see amplifier manual for details).

Polarity- Determines the polarity of the signal delivered to the amplifier for each channel.

BLOCK DIAGRAM, PART 2

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QSC CM16a Manual Page 6

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