Complex sentence: A triangle wave can be used as a sub-oscillator to beef up the bass of the other oscillators: set a widespread chord in chord memory and then use the arpeggiator, and then switch back and forth between poly/chord memory.
Split into simpler sentences: A triangle wave can be used as a sub-oscillator to beef up the bass of the other oscillators. Set a widespread chord in chord memory and then use the arpeggiator... and then switch back and forth between poly/chord memory.