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via the listing: "MANY YEARS AGO I DID A DIY PCB USING THE ELECTRIC DRUID VCLFO PIC, VERSION 9D. SINCE THEN THE TAP TEMPO VERSION HAS SINCE OVER SHADOWED THIS FANTASTIC LFO. WELL IT IS ONLY RIGHT FOR ME TO REDO A PROPER EURO FORMAT RELEASE.
MODEL: EURO 6HP WHITE VCLFO
TOM WHILTSHIRE PIC SOFTWARE VERSION 9D.
CONTROLS:
RATE KNOB
WAVE SELECTOR KNOB: RAMP UP, RAMP DOWN, SQUARE, TRIANGLE, SINE, SWEEP, SPIKE, NOISE.

RATE FOR S&H KNOB: FULLY CLOCKWISE IS OFF, THEN TURN IT CLOCKWISE TURNS IT ON AND CONTROL THE RATE AS YOU GO CLOCKWISE
SKEW KNOB: WAVE DISTORTION
LEVEL: LFO OUTPUT CONTROL
VOLTAGE CONTROL SECTION:
LFO RATE CV INPUT JACK
LEVEL CV INPUT JACK
SYNC IN WHICH RESETS THE LFO AND/OR S&H
OUTPUT JACK.
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THE SYNC INPUT WILL RE-TRIGGER THE THE LFO. WHEN USED WITH SAMPLE AND HOLD INITIATED YOU CAN GET SEQUENCER LIKE RIFFS THAT WILL RE-TRIGGER IN SYNC WITH FOR EXAMPLE A SEQUENCER."