Yamaha MU90R Owner's Manual page 65

MULTI MODE
NOTE
The Pitch EG Release Level and Time parameters may have no effect if the Voice itself does
not sustain after the note is released. (Short percussive Voices may fall into this category.)
Also make sure that the main EG Release Time is set to an appropriate value so that the sound
s u s t a i n s .
5 6
Graphically shows Pitch EG Attack Time setting for each Part.
Selected Part and MIDI channel
This determines the Attack Time of the Pitch EG, or how long it
takes for the pitch to return to normal (from the pitch value set in
Initial Level above).
Graphically shows Pitch EG Release Level setting for each Part.
Selected Part and MIDI channel
This determines the final pitch of the Part's Voice, or the pitch that
is reached after the note is released. A setting of 00 corresponds to
normal pitch.