Terms Used in This Manual
This section explains some important terms that are used throughout the GFX-4 documentation.
Module
A "module" is a section that works like a stand-aloneCOMP/OD/ENV, DRIVE, EQUALIZER, PEDAL,
compact effect device for tailoring certain aspects ofMODULATION, and DELAY/REVERB as well as the
the sound. In the GFX-4, you can use the six modules ZNR (Zoom Noise Reduction) + AMP SIM (Amp
Simulator) simultaneously.
Patch
TermsUsedinThisManual
INPUTCOMP/OD/ENVDRIVEEQUALIZERPEDALMODULATIONDELAY/REVERBOUTPUT
Module
Effect types and parameters The mode is used for switching patches and for editing
the currently selected patch.
Within each effect module, there are various effect
types which are specific processing functions. The
Y Manual mode
various settings of the currently selected effect type are
This mode lets you switch modules on and off,
called parameters. By selecting an effect type and
operating the unit in the same way as a compact effect
varying the parameters, you can create a new effect.
with the knobs and foot switches on the FX panels.
Patch/group/bank
Y Store mode
Effect module combinations and effect parameter
This mode serves for storing patches edited in program
settings are stored in memory as "patches". The GFX-4
mode or manual mode in the memory of the unit. It
can hold a total of 120 patches. These are divided into
also allows changing the store positions of user
60 user patches which are read/write, and 60 read-only
patches.
preset patches. Both the user patches and preset patches
are divided into four groups (A, b, C, d). Each group
Y Bypass/mute mode
has 5 banks numbered from 0 - 4, and each bank has 3
When the GFX-4 is in the bypass condition, effect
patches. To use a patch in the GFX-4, you first call up
processing is temporarily turned off and only the
the bank and then use the three foot switches 1 - 3 to
original sound is heard. In the mute mode, all sound is
select the patch.
turned off and the built-in chromatic tuner can be used.
User patchesPreset patches
GROUP dGROUP d
Y Special mode
GROUP CGROUP C
GROUP bGROUP bThis mode serves for making amp simulator and ZNR
GROUP AGROUP A
BANK 4BANK 4settings, patch name and patch level settings, and for
BANK 3BANK 3
PATCH 1PATCH 1returning the GFX-4 to the factory default condition.
BANK 2BANK 2
PATCH 1PATCH 1
BANK 1PATCH 2BANK 1PATCH 2
PATCH 1PATCH 1
BANK 0PATCH 2BANK 0PATCH 2
PATCH 1PATCH 3PATCH 1PATCH 3
PATCH 2PATCH 2
PATCH 1PATCH 3PATCH 1PATCH 3 RTM (real-time modulation)
PATCH 2PATCH 2
PATCH 3PATCH 2PATCH 3PATCH 2
PATCH 3PATCH 3The RTM function allows use of the expression pedal
PATCH 3PATCH 3
to adjust DRIVE, MODULATION, or
DELAY/REVERB module parameters or the volume in
real time. For example, you might use the pedal during
Modes
a performance to vary the reverb mix balance or adjust
Operation of the GFX-4 is divided into five main
wah intensity with your foot.
modes, as listed below.
The module, effect type, and parameter, as well as the
parameter change direction can be set separately for
Y Program mode
each patch.
This is the basic operation mode of the GFX-4. The
unit is always in this mode after power is turned on.
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