Roland. MicroComposer MC-202 Synthesizer. Inside cover: B&W photograph of panel controls and Introduction: The functions for sound synthesizing of the MC-202 is the same as that of the usual Monophonic synthesizer (1V/Oct). So we do not explain synthesizer basics here. Contents include Functions for Sound Synthesizing (VCO, Pulse Width, Source Mixer, Waveform, VCF, Cutoff Frequency, Resonace, VCA, ENV, Envelope Curve, LFO, Portament, Accent), Sample Sound, and a Sound Synthesis Memo.