Yamaha MMP1 Setup Manual page 75

[Patch – Output Patch]
Assign the headphone outputs
Since Setup Wizard has not configured the headphone monitoring for Control Room, we will
assign it manually. Go to Patch – Output Patch and assign "Headphone Out L" and
"Headphone Out R" to Analog Source 7 and 8 respectively.
[Patch- Output Patch]
75