Yamaha DX7 SuperMAX+ User Manual page 20

Here you can set the coarse pitch for each of the three additional voices in
semitones from -24 to +24.
BUTTON 29: Stack Voice Fine Pitch
Here you can set the fine pitch for each of the three additional voices in cents
from .00 to .99.
DX7 SuperMAX+
© 2018 MusicTechnologiesGroup.com & MAXsystems
Voice Stack Mode
FINE 2=-12.00
Voice Stack Mode
FINE 3=- 5.00
Voice Stack Mode
FINE 4= 7.00
Page 20 of 32 User Guide