Yamaha MMP1 Setup Manual page 77

Go to Settings – User Assignable of MMP1 Editor.
[Settings – User Assignable]
Click on "01" of Label row, the label of the User Assignable button 01 can be changed. Type
"TB1->Cue1", hit Return (Enter) key and that label will appear on the button.
[User Assignable – Label]
Click on the color area and you will see the 16-color palette to choose button color from.
[User Assignable – Button color]
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