12. Low-Mid EQ: Adjusts the low-mid-range frequency (500 Hz) of the channel.
13. Low EQ: Adjusts the low (bass) frequencies of the channel.
14. Aux 1/2 Knobs: Adjusts the level of the signal sent from that channel to the
corresponding Aux bus. Use the Aux Post/Pre button to set whether the level is sent
pre-fader or post-fader.
15. Aux Post/Pre: When raised, the Aux 1/2 knobs control the post-fader level of the signal
sent from that channel to the corresponding Aux bus. When depressed the signal is pre-
fader.
16. Aux 3 Knob: Adjusts the post-fader level of the signal sent from that channel to the Aux 3
bus.
17. Aux 4 / DFX Knob: Adjusts the post-fader level of the signal sent to the mixer's effects
processor, whose level is controlled by the DFX Return Fader (DFX Rtn). If an external
effects processor is connected to Aux Send 4, then the signal will be sent there instead
of to the mixer's effects processor.
18. Channel Pan / Balance: If this knob is labeled Pan, it adjusts the (mono) channel's
position in the stereo field. If the knob is labeled Bal, it adjusts the balance between the
left and right channels of that stereo signal.
19. Channel Mute: Press this button to mute/unmute the channel. The LED next to the
button will light up when the channel is muted.
20. Channel Solo: Press this button to solo/unsolo the channel. The LED next to the button
and the Solo Active LED will light up when the channel is soloed. Use this to view its level
in the LED Meters and to audition its audio alone in the Control Room Mix.
21. Channel Fader: Adjusts the audio level on the channel.
22. Output Buttons: Depress any combination of these buttons to send the channel's post-
fader signal to the corresponding outputs: Sub 1-2 (Subgroups 1 and 2), Sub 3-4
(Subgroups 3 and 4), and/or Main L/R (Main Outputs).
23. Signal LED (Sig): Indicates that the channel's incoming audio signal is within an optimal
range.
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