6.9. The Knee Lever section
The Knee Lever is a physical lever on a Farfisa that is controlled with the knee and affects
the Multi Tone tone booster feature of the green tabs. Here it can also be used to activate a
wah filter if you choose that switch position.
The left
KNEE LEVER
switch lets you choose what its hardware control source will be, with 3
options:
•
MIDI CC
: The Knee Lever is controlled by any MIDI Continuous Controller that
you select from the MIDI tab of the right toolbar (opened by the sprocket next
to the Advanced button). In this mode the Knee Lever works just like any other
knob, and it doesn’t automatically return to 0%.
•
PB
(Pitch Bend): The Knee Lever is controlled by Pitch Bend a.k.a. the Pitch Wheel.
In this mode the Knee Lever automatically returns to 0%, just like the spring-
loaded original.
•
AT
(After Touch): The Knee Lever is controlled by MIDI Channel Aftertouch
messages. Again it automatically returns to 0%.
Note that the position of the Knee Lever in MIDI CC mode is saved when switching Knee
Lever MIDI modes.
The right
KNEE LEVER
switch lets you toggle between:
•
MT BOOSTER
: When the
MT BOOST
tab is set to ON, and
ALL BOOST
is OFF, the
Knee Lever can be used to boost the Farfisa's high frequencies.
•
WAH FILTER
: The Knee Lever no longer controls the MTB frequency mix, but can
be used as a wah-wah pedal.
Note that in
MT BOOSTER
mode the Knee Lever only has effect when the MTB voices are playing. It
doesn't affect the treble voices (white tabs), and also not the bass. If the green
ALL BOOST
switch is on,
the high frequencies have already been boosted to the maximum, so the Knee Lever has no effect.
In Wah mode the Knee Lever affects all treble voices (green or white tabs), but again not
the bass.
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Arturia - User Manual Farfisa V - Advanced Panel
