Yamaha MONTAGE M6 Operation Manual page 380

Destination (LFO Destination)
Sets the function to be controlled by the LFO Wave.
Settings: Insertion Effect A Parameter1–24, Insertion Effect B Parameter1–24 (depending on
the Insertion Effect)
Depth (LFO Depth)
Sets the depth of LFO Wave control for each Destination.
Settings: 0–127
2nd LFO
Operation
[PERFORMANCE] → Part Common selection → [EDIT/ ] → Mod/Control → 2nd LFO
LFO Wave (2nd LFO Wave)
380