GFI System ROSSIE, User Manual

Page: 9 / 11

User Manual
8
8. Algorithms
ROSSIE
FILTER
8.3 Manual Filter
This mode offers a set of filters whose resonance frequency is manually controlled via a knob or
an expression pedal.
Taper :

Taper 1

Taper 2

Taper 3

Taper 4
Filter Types :

Lowpass

Bandpass

Highpass

Peaking
Q (filter bandwidth)

Low

Medium

High

Sharp
Higher setting gives more pronounced
filtering
PARAM knob - adjusts the resonance frequency of the filter.
RANGE knob - adjusts the amplitude of the steps.
MIX knob - adjusts the wet and dry mix.
Secondary parameters
Rossie as a Wah pedal
- Map the expression pedal to the frequency parameter (Param knob).
- Set the desired
Heel and Toe values.
- Select filter type to Lowpass or Bandpass .
- Select one of the Taper styles to your liking.
TAPER 1
(linear)
TAPER 2
TAPER 3
TAPER 4
The potentiometers in wah pedals
have different taper characteris-
tics, which determines the feel as
the rocker sweeps through its
sweep range.
Rossie provides 4 different taper
styles to choose from. Choose one
that feels best for the application
at hand.