Operation Manual

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The VOLUME control knob can be used to ad-
just the VOLUME even when the amp modeling
effect is "FX OFF."
The amp type selected by the Amp Modeling
selector can be selected and edited even with-
out entering Edit mode.
When you use the Amp Modeling selector to
select an amp, the PX4B will automatically se-
lect the most appropriate cabinet model and turn
it on.
3) CAB (Cabinet Modeling)
This simulates the acoustic characteristics of the
bass amp’s cabinet.
This is especially effective when you are not us-
ing an amp (e.g., when using headphones, or
when connecting to a mixer, hard-disk recorder,
or audio device).
4) MOD
(Modulation & Filter Effect Modeling)
These are modulation and filter-type effects such
as chorus, flanger, phaser, and pitch shifter.
5) DLY (Delay Effect Modeling)
These are spatial-type effects for which you can
set the delay time by the interval at which you
press the TAP button.