Roland GP-100 Owner's Manual page 46

Section3 Effect Guide
Phaser
This is a phaser effect that adds spaciousness to the sound by
adding out-of-phase sound to the direct sound.
Mode
Selection for the type of phaser effect.
4Stage: A phaser with 4-stage phase shift circuitry.
8 Stage: A phaser with 8-stage phase shift circuitry.
Rate
Adjusts the modulation frequency of the phaser effect.
Depth
Adjusts the modulation depth of the phaser effect.
Manual
Adjusts the center frequency of the phaser effect.
Resonance
Adjusts the amount of resonance. Higher settings will create a
more distinctive effect.
* Excessively high settings for Resonance may cause distortion. In this
case, adjust the master level to avoid distortion. Also, increasing the
Resonance when the 8-stage mode is selected may result in oscillation.
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Preamp
This section creates the basic distortion and tonal character of the
guitar sound. You can select a type of guitar preamp and create the
sound you desire.
* For some Type settings, setting Bass, Middle, and Treble all to "0" may
result in no sound.
Mode
Selection for the operational mode of the preamp.
Patch:
The preamp will use the settings of the selected Patch.
Setting [1] to [4]:
The preamp will use the specified group of settings ((1]—[41).
For details refer to "Preamp settings" (p. 17).
Type
Selection for the type of guitar preamp. The distortion and tonal
characteristics of each type of preamp are as follows.
JC-120:
Thesoundofthe Roland "JC-120" (Jazz Chorus 120), a favorite
of pro musicians around the world.
Clean Twin:
The sound of a conventional built-in tube amp.
Match Drive:
A simulation of the latest tube amp widely used in styles from
blues and rock to fusion.
BG Lead:
The sound of a tube amp typical of the late '70s to '80s,
characterized by a distinctive mid-range.
М51959(1/1/1+10):
The sound of a large tube amp stack that was indispensable to
the British hard rock of the '70s, and is used to this day by many
hard rock guitarists.
1: A trebly sound created by using input I of the guitar amp.
li: A mild sound created by using input II of the guitar amp.
Ill:
The sound of connecting inputs | and Н of the guitar amp in
parallel, creating a sound with a stronger low end than I.
SLDN Lead:
A tube amp sound with versatile distortion, usable in a wide
range of styles.
Metal 5150:
The sound of a large tube amp, suitable for heavy metal.
Metal Lead:
A metal lead sound with a distinctive mid-range, producing a
powerful metal sound even with single-coil pickup guitars.
OD-1:
The sound of the renowned OD-1 from the Boss compact
series,
OD-2 Turbo:
The sound of the OD-2 from the Boss compact series, with
Turbo switched on.
Distortion:
Distortion sound.
Fuzz:
Fuzz sound.