Attack dot or field: Set the envelope attack time for step modulator 1, 2, or 3.
Attack curve dot: Drag the shaded dot shown on the line preceding the bright Attack dot to set the attack curve shape.
Hold dot or field: Set the envelope hold time for step modulator 1, 2, or 3.
Release dot or field: Set the envelope release time for step modulator 1, 2, or 3.
Release curve dot: Drag the shaded dot shown on the line between the bright Hold and Release dots to set the release curve shape.
Download the guides:
Logic Pro User Guide: PDF