> red: triggerRed = gate or trigger pulses in older systems. More recent
systems use yellow for trigger.
> blue: AC coupled CV / audioNo. Blue is DC coupled signals in the 0 to +5v range.
Usually CV, but not always.
> black: DC coupled CV / audioBipolar signals - swing positive and negative in the
range -5v to +5v. Audio or control signals. May be
AC or DC coupled.
Very early Serges sometimes used Green for sync and
white for CV, and I've seen white used for the coupler
on SSGs (which swings -10v to +10v).
Steve