Doepfer

I have two Lexicon Vortex effects units.  Anyone else?  I've had them 
since they came out, got one and loved it so much I went right out and got 
another.  A bit of noise in there though.......

  Here's the deal:   control inputs.  There is an expression pedal input 
(stereo 1/4"), and two footpedal inputs (both stereo 1/4") each of which 
controls two functions.   The expression pedal works as a potentiometer and 
(according to the unit's description on sonicstate.com) that input will 
respond to a 0-5V  CV signal.   The dual footswitches act as 
"switches-to-ground", and sonicstate.com says they will respond to S-TRIG, 
but I don't get it.......   The TIP signal is tied to the SHEILD (GND) when 
the footswitch is pressed.  I can't speculate on how incoming S-trig would 
do it.

  My question is how can I create a voltage-controlled, momentary "switch to 
ground", so that I can activate a footswitch function with a GATE or TRIG 
from A-100/MAQ16-3/MCV24???

Any other suggestions or experience is greatly appreciated.

n keller

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