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Use Select for moving, a cable color for patching, and Text for annotations. Middle-drag or Cmd/Ctrl-drag pans the view port. Middle-click or Cmd/Ctrl-click a patch point to reroute its cable. Select a cable then click a color to change its type.

Select, move, and area-select symbols. Use this as the default editing mode.

Sawtooth wave oscillator
Sawtooth wave oscillator
Low-pass filter
Low-pass filter
EG ADSR
EG ADSR
same ADSR to filter and vca
Amplifier VCA
Amplifier VCA
CV+Gate sequencer
CV+Gate sequencer
keyboard or a sequencer