Attack
Controls the attack portion of the envelope
Decay | Sustain
This knob controls the Decay portion of the sound until the pointer is
past the half way point where the decay becomes infinite. At this point
the Sustain mode kicks in and will instead control the Sustain level.
Further turning of the control will lower the sustain level. The decay
rate in this instance is now controlled by the Release knob.
Release
This knob controls the release portion of the envelope after a key is
released. When in Sustain mode (see above) it also controls the initial
decay rate to the sustain level.
Trigger
Pressing this button will play the last note or chord that was played, If a
midi keyboard was connected.
If the unit is factory fresh, or factory reset, it will play a single note that
can be played monophonically over CV Gate.
Holding down shift and pressing Trigger will save all the chords into
persistent memory so they can be recalled after a power cycle.
Envelope Section
The envelope section controls both the amplifier and filter to
modulate the volume and filter cuto
ff
(using the Env Depth).