Wah-Wah Function - Rocktron VOODU Valve User Manual

The PARAMETER SELECT control will allow you to access these WAH-WAH parameters:
WAH-WAH I/O The WAH-WAH I/O parameter determines whether the wah-wah is
active for the current preset.
WAH FREQ The WAH FREQUENCY parameter allows you to manually sweep the
frequency range of the wah-wah via the PARAMETER ADJUST
control. Selecting a frequency for this parameter and storing the WAH-
WAH parameter IN allows you to use the wah-wah as a fixed wah.