Yamaha MU90R Owner's Manual page 56

example, if you are using more than one MU90R, set a different De-
vice Number for each. This is especially important when using the
data dump features. (See page 119.) If you have only one MU90R,
set this to "all."
Master Volume (M.Volum)
This determines the overall Volume of the Parts.
Master Attenuator (M.Attn)
(maximum volume)
This determines the level of all Parts, but functions as an attenuator; the
greater the value, the lower the volume. This is useful when you are
playing several songs and want to keep their overall level consistent.
Reverb Return (RevRtn)
This determines the amount of Reverb return in the overall mix.
Graphically indicates current Master Volume setting.
Graphically indicates current Master Attenuator setting.
(minimum volume)
Graphically indicates current Reverb Return setting.
MULTI MODE
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