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N tw: touch wah, N aw: auto wah, Tw: touch wah – Boss Audio Systems GT-6B User Manual

Page 32: Aw: auto wah

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32

Chapter 4 The Effects Explained

When Type is Set to Custom 1–3

You can make settings for the following parameters when
TYPE is set to Custom 1–3.

Making “Custom” Pedal Wah Settings (p. 53)

Parameter

Value

Type (1–3)

CRY WAH, VO WAH, Bass WAH

Q (1–3)

-50–+50

Range Low (1–3)

-50–+50

Range High (1–3)

-50–+50

Presence (1–3)

-50–+50

Pdl Position (Pedal Position)

This adjusts the position of the wah pedal.

* This parameter is actually controlled with the expression pedal.

Level

Adjusts the volume.

TW: Touch Wah

The filter behaves differently, depending on the volume level
of the instrument being input. This provides a unique effect
whereby the filter changes according to how you play.

Parameter

Value

Mode

LPF, BPF, HPF

Polarity

Up, Down

Sens

0–100

Frequency

0–100

Depth

0–100

Peak

0–100

Level

0–100

Mode

Selects the wah mode.

LPF (Low Pass Filter):

This creates a wah effect over a wide frequency range,
including the low end.

BPF (Band Pass Filter):

This creates a wah effect in a narrow range of midrange frequencies.

HPF (High Pass Filter):

This creates a wah effect over a wide range of frequencies in
the upper range.

Polarity

This selects the direction in which the filter changes in
response to the input.

Up:

The filter rises from lower to higher frequencies in response
to the input level.

Down:

The filter falls from higher to lower frequencies in response
to the input level.

Sens

This adjusts the sensitivity at which the filter changes
according to the polarity setting. Higher values result in a
stronger response, such that the filter responds with great
sensitivity even when the strings are played lightly.

Freq (Frequency)

This adjusts the reference frequency for the Wah effect.

Peak

This adds a particular character to the sound. Higher values
produce a stronger tone which emphasizes the wah effect more.

Depth

This adjusts the depth of the effect.

Level

Adjusts the volume.

AW: Auto Wah

This allows you to have the filter change cyclically or in
response to the instrument’s volume, as with Touch Wah.

Parameter

Value

Mode

LPF, BPF,

Rate

0–100, BPM

–BPM

Depth

0–100

Frequency

0–100

Peak

0–100

Polarity

Down, Up

Sensitivity

0–100

Level

0–100

Mode

Selects the wah mode.

LPF (Low Pass Filter):

This creates a wah effect over a wide frequency range,
including the low end.

BPF (Band Pass Filter):

This creates a wah effect in a narrow range of midrange
frequencies.

HPF (High Pass Filter):

This creates a wah effect over a wide range of frequencies in
the upper range.