Alesis MultiMix 12R Reference Manual - Page 37

Metering/Unity Gain method

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Operating Instructions Metering/Unity Gain method This method gives you more headroom than the peak method, while maintaining a low noise floor which will be well below the noise of most PA or live recording environments. 1. With the mic or line level signal flowing through the channel, set the TRIM to minimum. 2. Set the CHANNEL FADER to 0 (about 2/3 up). Set all other channel faders to minimum (off). 3. Set the MASTER fader to 0 dB (all the way up). 4. Observe the Multimix 12R's LED Meter. Adjust the [TRIM]knob until the average signal level on the meter is about 0 dB (highest green LED), or peaks do not exceed the +10 dB LED (or whatever maximum your system is designed for). If you ever see the channel's PEAK LED flash, you are within 6 dB of signal overload. Turn down the TRIM knob until the PEAK LED stops flashing. Multimix 12R Reference Manual 27

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Operating Instructions
Multimix 12R Reference Manual
27
Metering/Unity Gain method
This method gives you more headroom than the peak method, while
maintaining a low noise floor which will be well below the noise of
most PA or live recording environments.
1.
With the mic or line level signal flowing through the channel, set
the TRIM to minimum.
2.
Set the CHANNEL FADER to 0 (about 2/3 up).
Set all other
channel faders to minimum (off).
3.
Set the MASTER fader to 0 dB (all the way up).
4.
Observe the Multimix 12R's LED Meter.
Adjust the [TRIM]knob
until the average signal level on the meter is about 0 dB (highest
green LED), or peaks do not exceed the +10 dB LED (or whatever
maximum your system is designed for).
If you ever see the
channel's PEAK LED flash, you are within 6 dB of signal overload.
Turn down the TRIM knob until the PEAK LED stops flashing.