6
2. Parts of the ZERO4
Top panel
1–13
33–37
38–40
30
19
15–18
20–29
31, 32
14
1. INPUT SELECTOR knob
Selects the input jack or FireWire audio signal that will be assigned to
the mixer channel. With this knob in certain positions, the send knobs,
pan knob, EQ knobs and/or faders will operate as MIDI controllers.
2. GAIN knob
Adjust the gain of the audio input assigned
to the mixer channel.
TIP:
If the MIC input level is too high,
causing the sound to distort, press
the top panel MIC GAIN switch to
change the mic preamp gain to LOW.
3. FX TYPE knob
This selects the type of channel effect that
will be inserted into the mixer channel.
4. PAN knob
Adjusts the left/right audio balance.
5. EQ knobs
Normally, the HI, MID, and LO knobs boost
or cut the sound in each frequency range.
Depending on the type of EQ selected in the
previous step, the function of the knobs may
change.
6. TIME knob
This adjusts the time or other parameter of
the effect selected by the FX TYPE knob. The
result will depend on the effect that is se-
lected.
7. MOD knob
This adjusts the modulation or other param-
eter of the effect selected by the FX TYPE
knob. The result will depend on the effect
that is selected.
8. FB knob
This adjusts the feedback or other parameter
of the effect selected by the FX TYPE knob.
The result will depend on the effect that is
selected.
9. FX MIX knob
This adjusts the DRY/WET ratio of the chan-
nel effect.
1
2
4
5
10
12
3
6
7
8
9
11
13
