Boss Audio Systems GT-100 - Manual (Page 51)

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Appendices
GT-100 Effects Guide
GT-100 Effects List
This is a list of the effects built into the GT-100.
* The product names mentioned in this document are registered
trademarks or trademarks of their respective owners. In this
manual, these names are used because it is the most practical
way of describing the sounds that are simulated using COSM
technology.
Effect Explanation
COMP
(Compressor)
This is an effect that produces a long sustain by
evening out the volume level of the input signal. You
can switch it to a limiter to suppress only the sound
peaks and prevent distortion.
OD/DS
(Overdrive/Distor-
tion)
This effect distorts the sound to create long sustain.
It provides 21 types of distortion and custom
settings. For the types of distortion that can be
selected for OD/DS, refer to “OD/DS Type List.”
PREAMP
COSM technology simulates different preamp
characteristics, speaker sizes, and cabinet shapes.
For the amp types that can be selected for the
preamp, refer to “Preamp Type List.”
EQ (Equalizer)
This adjusts the tone as a equalizer. A parametric
type is adopted for the high-middle and low-middle
range.
FX1
With FX1 and FX2, you can select the effect to be
used from the following. You can select the same
effect for FX1 and FX2. For the effects that can be
selected for FX1 and FX2, refer to “FX1/FX2 Effect
List.”
FX2
DELAY
This effect adds delayed sound to the direct sound,
giving more body to the sound or creating special
effects.
CHORUS
In this effect, a slightly detuned sound is added to
the original sound to add depth and breadth.
REVERB This effect adds reverberation to the sound.
NS1
This effect reduces the noise and hum picked up
by guitar pickups. Since it suppresses the noise in
synchronization with the envelope of the guitar
sound (the way in which the guitar sound decays
over time), it has very little effect on the guitar
sound, and does not harm the natural character of
the sound.
NS2
DIVIDER
Within the effect chain, the point where the signal
is split into channels “A” and “B” is called the “divider,”
and the point where the two signals are recombined
is called the “mixer.”
You can use the divider to switch between channels
“A” and “B,” to assign strongly picked notes and softly
picked notes to different channels, or to assign
different frequency bands of your guitar sound to
different channels.
The mixer lets you adjust the volume balance of
channels “A” and “B,” place them in the stereo field, or
slightly delay the sound of channel “B” to produce a
spacious sound.
MIXER
SEND/RETURN
You can connect an external effects processor
between the SEND jack and RETURN jack, and use it
as one of the GT-100’s effects processors.
Effect Explanation
PEDAL FX
PEDAL FX is an effect used to control WAH or PEDAL
BEND with the [EXP] pedal. The SUB EXP pedal
cannot be used for this control.
FOOT VOLUME is a volume control effect.
Normally, this is controlled with the EXP Pedal or
the [EXP] pedal connected to the SUB CTL 1, 2/SUB
EXP jack.
FOOT VOLUME
ACCEL FX
This allows for the use of six different types of Accel
effects, which modify the sound over time when you
depress the [ACCEL/CTL] pedal.
USB
Here you can make USB-related settings for when
the GT-100 is connected to a computer via USB.
MASTER SETTING These settings are applied to the overall patch.
How to obtain a PDF of the Parameter Guide
For a list of all effects’ parameters, download “GT-100
Parameter Guide” (PDF file) from “GT-100” in the “Owner’s
Manuals” list on the Roland website (http://www.roland.
com/support/en/).