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How the GR-55 Works
What is a Patch?
A “patch” is a unit of sound on the GR-55. In addition to settings determining the type of sound, a patch also contains eect settings.
You can modify (edit) the settings of a patch, and save it as a “user patch.” (The patches already built into the GR-55 are called “preset patches.”)
The following illustration shows how a patch is structured internally.
Eects
+
+
Synthesizer sound
Modeling sound
Normal pickup sound
PATCH
This is a synthesizer sound that plays according
to the performance data from your guitar. Two
PCM tones can be layered.
These eects processors apply various eects to the
sound.
MFX is a stereo-in multi-eects processor.
AMP uses COSM technology to simulate the
response of the preamp, the size of the speakers, and
the shape of the cabinet.
MOD is a monaural-input guitar eects processor
used in conjunction with AMP.
This is a modeled sound based on the
audio from each guitar string.
This is the sound of the guitar’s normal pickup.
PCM TONE 1
EQ
Equalizer
DELAY REVERBCHORUS
MODELING TONE
NORMAL PICKUP
AMP
Preamp
MFX
Multi-eect
MOD
Guitar eects
PCM TONE 2
There are some restrictions on the functions that can be used with each tone and with the normal pickup; please refer to the following table.
Parameter HOLD ALTERNATE TUNING TONE EDIT GUITAR OUT
Description Sustain the sound (Hold) Change the tuning of each string Edit the tone Output from GUITAR OUT jack
Page p.55, p.76 p.54 p.24 p.54
PCM tones 1, 2 √ √ √ ×
Modeling tone × √ √ √
Normal pickup × × × √
The available tones will depend on the position of the GK pickup’s select switch.
GK pickup select switch
GK MIX
PCM tones 1, 2 √ √
Modeling tone √ √
Normal pickup × √
* Even if a tone is available, there will be no sound if its tone switch (p.23) is “OFF.”
Normally, you should use the “MIX” setting.