7.2. The VCO 1 section
7.2.1. Pitch
The pre-wired connection into the Pitch of VCO 1 is the keyboard (KBD). Plugging in a patch
cable will break that connection and allow the new source to control the VCO 1 frequency.
7.2.2. FM
When a patch cable is connected to the FM input jack the pre-wired connection between
VCO 1 and VCO 2 is broken. As with VCO 2, the amount of the VCO 1 frequency modulation
(FM) is governed by the FM knob in the VCO 1 section of the top panel. That knob must be
set to a value higher than zero for FM to occur.
7.2.3. Ultrasaw
Normally the intensity of the
waveform modifier is based on the settings of
LFO 2. Interrupting that connection with a patch cable allows the new source to control the
phase shift modulation rate of the second copy of the sawtooth wave.
Remember: the amount of the Ultrasaw modulation is governed by the Ultrasaw Amt knob
in the VCO 1 section of the top panel. That knob must be set to a value higher than zero for
the Ultrasaw to be heard. The Sawtooth slider in the OSC MIXER section must also be set
high enough for the basic sawtooth wave to be heard.
7.2.4. PWM
LFO 1 is the source of the Pulse Width Modulation (PWM) by default, but another source can
be used to control it through this patch point.
To hear PWM it is necessary to have the PWM knob in the VCO 1 section of the top panel set
to a non-zero value. The Square wave slider in the OSC MIXER section must also be set high
enough.
The VCO 1 section
Arturia - User Manual MiniBrute 2 - The Patch bay
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