When on, this causes a legato effect between notes, which is usually achieved by skipping the attack portion of the VCA's envelope. Use of this controller allows a keyboard player to better simulate the phrasing of wind and brass players, who often play several notes with a single tonguing, or simulate guitar pull-offs and hammer-ons (ie, where secondary notes are not picked). If a MultiTimbral device, then each Part usually has its own Legato Pedal setting.
0 (to 63) is off. 127 (to 64) is on.