Dave Smith Instruments PROPHET 12 KEYBOARD - Manual (Page 50)

40 Master Volume/Voice Volume Dave Smith Instruments
Master Volume/Voice Volume
Volume of a program is determined by a combination of the Master
Volume, Voice Volume, and Pedal/MIDI volume (if used). If any of the
three are off, there will be no output.
Voice Volume is set in the Vol/Dist tab of the VCA screens. Voice Volume
is programmable to balance the level between programs.
Note: The volume settings in the Layers screen are Voice Volume.
See Layers, Split, and Stack on page 43 for more information.