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External Control
Expression Pedal Setup
Use a TRS expression pedal with a 25k Ohm or greater pot value to
remotely control the knobs of UltraViolet� By default, UltraViolet is
configured so that an Expression pedal controls the SPEED knob�
1
Configure the EXP/MIDI jack for Expression Mode� (See
configuration instructions�)
2
Connect an expression pedal to the EXP/MIDI jack of UltraViolet using
a TRS cable�
mono
mono
IN
OUT
3
Press and hold the FOOTSWITCH for at least 2 seconds, until the
LED blinks GREEN�
4
Rock your expression pedal to the HEEL position� The
will stop blinking and remain lit�
5
Set the knob(s) you would like to control to the desired settings for the
HEEL position of the expression pedal�
6
Rock the expression pedal to the TOE position� The LED will turn RED�
7
Set the knob(s) you would like to control to the desired settings for the
TOE position of the expression pedal�
8
Press and release the UltraViolet footswitch to exit and store your
expression pedal setup�
NOTE: Your expression pedal assignment is saved per Favorite setting or
MIDI preset�
NOTE: If UltraViolet is set to respond to MIDI EXPRESSION and the EXP/MIDI
jack is set to MIDI Mode, you can send MIDI CC# 100 with values 0 (heel) to
127 (toe) to perform the expression pedal setup�
stereo
USB
stereo
EXP/MIDI
9VDC
RIGHT IN
LEFT OUT
RIGHT OUT
GREEN
page 9
for
USB
EXP
MIDI IN
MIDI OUT
LED
pg 11
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