Yamaha MONTAGE M6 Operation Manual page 378

Fade Out (LFO Fade Out time)
Sets the amount of time for the LFO effect to fade out after the hold time set in Hold (LFO Hold
Time) has elapsed.
The larger the value, the longer it takes for the LFO effect to fade out.
Settings: 0–127
Low value: Fast fade-out
High value: Slow fade-out
Key On Reset (LFO Key On Reset)
Resets the oscillation of the LFO when a key is pressed.
Settings: Off, Each-on, 1st-on
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