Yamaha DTX-PRO Owner's Manual page 34

Basic Guide
Basic Operation of the DTX-PRO
 Adjusting (Modifying) the Sound Effects
[AMBIENCE] knob
Adjusts the amount
of ambience or the
reflective sounds of
the virtual room
The type of the effect controlled with the [EFFECT] knob can
be changed from the button below "MIX/FX" ([F3]).
For more information, see "Changing the Effect Type and Amount of Effect to Apply" (page 32).
30 DTX-PRO Owner's Manual
[COMP] knob
Adjusts the amount
of compression or
the amount of the
punchiness or loud-
ness of the sound
[EFFECT] knob
Adjusts the amount
of other effects
assigned to the Kit
Maximum: All lit
Minimum: All off