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. |