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Pittsburgh Modular Voltage Lab 2 - The CV Channel

Pittsburgh Modular Voltage Lab 2
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48
Understanding the CV Channel
CV Channel Overview
The CV Channel is a tool for generating control voltages that can be easily and quickly set per step. The CV Channel
can generate: gates of variable length ([CV CHANNEL GATE OUTPUT]), decay envelopes with variable decay time
([CV CHANNEL ENVELOPE OUTPUT]), and unquantized control voltages ([CV CHANNEL CV OUTPUT]).
The CV Channel has separate outputs per sequencer channel, and uses the [CV CHANNEL KNOBS] to control the step
settings of those outputs.
Sharing Knobs
The Yellow and Red Sequencer Channels share the [CV CHANNEL KNOBS], which means there can only be one CV
Channel Value per step number; step 1 of the Red Channel and step 1 of the Yellow Channel will have the Same CV
Channel value. However, since the Red Channel and Yellow Channel can be on different steps, they can be looking at
different [CV CHANNEL KNOBS] at any given moment; the Yellow and Red [CV CHANNEL OUTPUTS] behave
independently, but share knobs.
Gate Outputs
The [CV CHANNEL GATE OUTPUTS] generate a 5 volt gate signal, that is high for a variable amount of time. In Sequencer
Mode, the length of the gate will be set by the [CV CHANNEL KNOB] (from 10 ms to the clock step length) and the gate
will trigger whenever a step triggers. With the Sequencer Off, the gate will trigger whenever a [TOUCH PAD] is pressed,
and will stay high as long as any of the touch pads remain active.
Envelope Outputs
The [CV CHANNEL ENVELOPE OUTPUTS] generate a 5 volt percussive decay envelope, with decay time controlled by
the [CV CHANNEL KNOB] of the step triggered, whether the sequencer is on or off.
CV Outputs
The [CV CHANNEL CV OUTPUTS] are a 0-5 volt static value set by the [CV CHANNEL KNOB] of the step triggered,
whether the sequencer is on or off.
CV Channel Chance
CV Channel Chance applies randomization to the [CV Channel Knobs] when they are read by the channel. To set the
CV Channel Chance, hold the [EDIT BUTTON] and press [TOUCH PAD 14] to enter the CV Channel Chance Menu then
use the [VALUE KNOB] to set the CV Channel Chance for the active channel.
4 Voltage Lab 2 Touch Controller
pressure
pitch
cv
cv channel
gate
trigger
reset /
1-shot
reset /
1-shot
repeat repeatchance
scan
pressure
pitch
cv
trigger
chance
scan
envelope
clock clock
resetout
thru
in
13
5
8
7
6
1
42
3
chance (cv)
chance (cv)
16
15
14
9
12
11
10
red channelclockmidi
yellow channel

pittsburgh
modular

step shift
run/stop
step roll
clock
cv channel
first step
seq. direction
touchpad mode
knob range
clock source
chance effect
gate
envelope
sequencer
step jump
reset
(clear)
(tempo)
step length
cv cv

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