Audio Control DM-810 Installation Manual

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Input Gain

1. The input gain control is a slider that can be adjusted with the

mouse, arrow keys, or by numerically entering the level in dB. The

slider will move in 1 dB increments with left and right arrow key

strokes. This includes any typed-in a value, such as “-2.3” dB, then

an arrow key left will be “-3.3” dB.

2. The input signals can be quickly muted with the MUTE button.

3. Inputs 1-2 have the MILC™ circuit (see page 15) and show a yellow

CLIP light at the right side of this area. This comes on if the input

signals 1-2 are at too high a level, and the MILC™ circuit has

fullled its destiny. Turn down the input levels 1-2 to prevent this

CLIP light from coming on.

4. The input RTA is quite useful to visually conrm when each input

pair is matched in level with the others. When the source is at

maximum with pink noise, the input RTA should t the signal

nicely on the 80 dB scale.

Delay

1. The delay of each input channel can be adjusted with these sliders

and the numeric display.

2. The 180 degree phase button is a very useful feature for a quick

polarity check, and to impress your friends.

3. TIP: use the head unit’s balance control to move the signal left and

right: If the RTA gets bigger when the balance is in the middle,

then the left and right have the same polarity. If the RTA gets

smaller when the balance control is centered, then the left and

right inputs have opposite polarity. So, rather than go back to the

trunk and try to sort out the wiring harness, simply use the 180

deg buttons to determine which is the interloper. The Input RTA

will also show you which channels arriving are limited bandwidth

(high pass / low pass), this will help you determine which inputs

to use for Output Summing for a full range output.

Chapter 8: The Display: Input View

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Audio Control DM-810 Eight by Ten Channel DSP Matrix Processor Audio