The four sliders in the ENV section control the following parameters: attack (A), decay (D), sustain (S) and release (R).
The ENV switch selects the polarity (direction) of the envelope.
The KEY FOLLOW switch selects the envelope(s) for which key follow is on.
The RATE slider sets the speed of the LFO.
The DELAY TIME slider controls the time required for the LFO modulation to start.
The WAVE knob selects the LFO waveform: sine wave, triangle wave, reverse sawtooth wave, square wave, random wave and noise.