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A Guided Tour of Subtractor > The Envelope Section - Pg. 207

LFO 1--When set to a positive value, the Modulation Wheel will increase the Amount knob of LFO 1. A negative value will have the opposite effect. Phase--This knob controls the Phase Offset parameter of Oscillators 1 and 2. When set to a positive value, the Modulation Wheel will increase the amount of Phase Offset. A negative value will have the opposite effect. Frequency Modulation--When set to a positive value, the Modulation Wheel will increase the Frequency Modulation parameter. A negative value will have the opposite effect. Legato/Retrig Retrig is thought of as the "normal" setting for the Subtractor, because it is the commonly used parameter for playing polyphonic patches. When Retrig is selected, the Subtractor envelopes are triggered when you press and hold down a note and then retriggered when another note is played. Retrig can be used with monophonic patches as well. Try pressing a note and holding it while pressing a new key. Release the new key and the first note will retrigger. Legato is a commonly used parameter for playing monophonic patches, such as leads or bass lines. With the polyphony set to 1, press and hold down a note, and then press and hold another note. Notice that the new note has no attack, as the Subtractor's envelopes have not been retriggered, as would be the case when Retrig is selected. If you add some portamento to this patch, you will get a retro vintage mono synth glide sound. It is also possible to use Legato with a polyphonic patch. Set the Polyphony of a patch to a low