Front & Rear Panel Descriptions - Mackie ProFX v3 Series Quick Start Manual

Front & Rear Panel Descriptions –
1. Power Connector & Switch Connect the supplied AC
power cord to this jack. The power switch turns the mixer
on and off. The Power LED will illuminate when powered.
2. 48V Phantom Power Switch Provides 48V for mics, affecting
all XLR jacks simultaneously. The +48V LED illuminates
when phantom power is engaged.
3. Combo Inputs Connect a balanced or unbalanced mic,
instrument or line-level signal using an XLR or 1/4" connector.
4. XLR Inputs Connect a balanced mic or line-level signal
using an XLR connector.
5. Line Inputs Connect a balanced or unbalanced
line-level signal using a 1/4" connector.
6. 1/8" Input Connect an 1/8" line-level signal from
a smartphone, MP3 player, or other signal source.
7. Line/Hi-Z Switch Engage the switch to play a guitar
through channels 1-2 without using a DI Box.
8. Insert Connect a serial effects processor, such
as a compressor or gate, using a 1/4" Y cable.
9. Low Cut Switch Cuts bass frequencies below 100 Hz
at a slope of 18 dB per octave.
10. Gain Gain ajusts the mic/line input sensitivity.
11. Level Set LED Illuminates green to indicate signal.
12. Compressor Reduces the dynamic range of input signals.
13. Equalization Boost or cut the level at certain frequencies
to enhance the sound.
14. FX Switch and Knob Engaging this switch assigns
the channel to the FX send. The FX to Main Knob
adjusts the FX level of the selected channel from
the internal FX processor to the main mix.
15. Pan Assign Switch Engage the switch to fully pan channel 1
to the left and channel 2 to the right.
16. Aux Mon, Mon Send & Master Feed stage monitors via
the mon send jacks. Each channel has its own level control
and the master adjusts the overall output level.
17. Pre/Post EQ Switches Determines if equalization
is pre or post from each channel.
18. Aux FX, FX Send & Master Feeds the internal FX or an external
processor via the FX send jack. Each channel has its own
level control and the FX master adjusts the overall level
sent out to the internal FX and FX outputs.
19. Pan Adjusts how much of the signal is sent to the left
and right outputs.
20. Mute Mutes the channel signal. The button illuminates
if the mute switch is engaged.
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21. Channel Fader Adjusts the level to the main mix.
22. Assign Switches Determines the destination bus(es) of the signal.
23. PFL Solo Switch Allows you to listen to individual channels singly
or in combination with other soloed signals. The rude solo LED
flashes when solo switches are engaged.
24. Main Out L/R Connect to the inputs of amplifiers, powered
speakers, or a serial effects processor.
25. CR Out L/R Feed the inputs of a control room amplifier,
studio monitors or a headphone distribution amplifier.
26. Sub Outs Feed the inputs of a multitrack deck or secondary
power amplifiers in a complex installation.
27. FX Footswitch Connect a footswitch to mute or un-mute
the internal effects.
28. Phones Connect stereo headphones here.
29. Preset Selector and Display, Int FX Mute Switch and LED
Turn the preset selector to choose an effect. The display
shows the number of the currently selected effects preset.
Engage the int FX mute to mute the internal effects processor
and illuminate the adjacent mute LED.
30. Main Meters Used to gauge the soloed input or output levels
to ensure that the signals are not clipping.
31. CR/Phones Controls the control room and headphones levels.
32. Break Switch and LED Mutes all channel inputs, but allows
the USB inputs to pass out of the main outs.
33. Internal FX Routing and FX Assign Switches Route the effects
output to the monitors, sub outs and mains independently.
Assigns the FX to the selected sub outs.
34. FX Return Fader Adjusts the level of the stereo output
from the internal FX processor being added to the main mix.
35. Blend Knob Provides a balance of the channel inputs (left)
and USB 3-4 return (right).
36. To Phones / Control Room Switch Routes a mix of the inputs
and USB 3-4 to CR/phones outs. Mutes main mix in CR/phones
outs when engaged.
37. Sub Out Faders Control the levels of the signals sent
to the sub outs.
38. Sub Assign Switches Assign each subgroup to the main out L/R.
39. Main Mix Adjusts the level of the signal sent to the main outputs.
40. USB I/O A 2x4 interface allowing you to stream audio
to and from the mixer via computer.
41. USB 3/4 Switch Engaging this switch mutes the 1/8" input,
allowing the USB return to flow through the channel instead.