Art Quadra/FX User Manual page 26

To assign MIDI to trigger an engine's Smart Encoder function, turn the Encoder until two Parameter LEDs
light. If only one Parameter light goes on at a time, it is because there is no Smart Encoder function available
for the effect of the current engine. Only reverb, delay, and rotary effects use the Smart Encoder. If you are
editing one of those effects, you will eventually see one or two the following patterns (depending on the effect)
as you turn the Encoder clockwise:
REVERB
MIDI Control of
the Reverb Impulse:
It is important to remember that when assigning a MIDI controller to a Smart Encoder function, the two lit
Parameter LEDs no longer refer to parameters, but instead refer to one of the four possible Smart Encoder
functions.
BYPASS
If you want to bypass the current engine via MIDI, turn the Encoder clockwise until the outer four corners of
the Parameter LEDs are lit:
After you have selected the controllable parameter, press the Encoder again. Now the Display is flashing. By
turning the Encoder, you will select which continuous controller number will affect the previously selected
parameter. The available MIDI controllers are
. ,-
(aftertouch), and
MIDI channel will automatically set this value. See page 67 for more information on MIDI controllers.
Press the Encoder again to switch back to the parameter selection mode, where turning the Encoder scrolls
through the six MIDI options. Now that you have edited one of the controller assignments, you may wish to
edit the remaining three or the assignments for other engines.
Finally, save your MIDI edits by saving the preset. Press Store, select a preset number to overwrite, and
press Store again to confirm the save. If you instead press any button other than Store, you will return to
DELAY
MIDI Control of
Tap Delay Time Entry:

(pitch bend). Also, any external MIDI controller movement on the Quadra/FX's
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DELAY
MIDI Control of
Delay Repeat Hold:
 2
– , (note on pitch),
ROTARY
MIDI Control of
Rotary Speed Change:
2))
(note off pitch),