Front Panel; Rear Panel - Alto Professional AEQ231 Guide D'utilisation

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FRONT PANEL

1. EQ Bands – Use these sliders to boost or cut the level of each audio frequency band.
in the center position, the equalizer outputs a flat frequency response.
2. Input Level Meter – Displays the level of the incoming signal.
attenuation). If the clip LED lights continuously, turn down this control.
3. SIG CLIP – Flashes red when the input or output signal gets within
the input or output signal to avoid distortion.
4. Range – Selects which of the two boost/cut ranges the EQ band sliders will use, either ±6 dB or ±15 dB.
WARNING: Adjusting this switch generates a loud transient. Before changing the setting of the switch, reduce
the audio level of your power amplifier.
5. Hi Pass – Reduces the low frequencies from the signal.
6. Low Pass – Reduces the high frequencies from the signal.
7. EQ On – Select to bypass the EQ and hear the unprocessed signal.

REAR PANEL

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1. Power Connector –
2. Power Switch – Use this switch to power AEQ231 on/off.
3. Ground Lift – Disconnects the signal ground from the chassis ground. If the equalizer is causing any
buzz in your system due to a ground loop, move this switch to the "lift" position.
4. RCA Outputs – Connect these outputs to a mixer's Aux Return or powered speakers.
5. 1/4" and XLR Outputs – Connect these outputs to a mixer's Aux Return or powered speakers.
6. RCA Inputs – Connect these inputs to a mixer's Main output or Aux Send.
7. 1/4" and XLR Inputs – Connect these inputs to a mixer's Main output or Aux Send.
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Connect the included power cable here.
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The "0 dB" position is unity gain (no boost or
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When all the sliders are
5 dB of clipping. If this occurs, turn down
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hum or
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