This effect gives a wah-wah sound, by cyclically changing the tone.

Parameter Value Explanation
PEAK 0–100

Larger values narrow the frequency range at which the effect is applied.

RATE

0–100 (when the SYNC parameter is OFF)

1.000–0.010 (bars; when the SYNC parameter is ON)

Sets the cycle (period) of the effect.
MANUAL

0–100

Sets the frequency range in which the effect is applied.
DEPTH 0–100 Sets the depth of the effect.
FLT TYPE

Sets the filter type.

LPF

Applies the effect over a wide frequency range.

BPF Applies the effect over a narrow frequency range.
SYNC OFF, ON When this is ON, the effect sound synchronizes with the tempo.