Intellijel Dr. Octature II - Manual (Page 14)

Put into self-oscillation , the DR.
OCTATURE II becomes a stable, 1V/Oct
tracking VCO.
Sine VCO range : 17Hz to 22kHz (0.059s
to audiorate).
VC sine oscillator
12
make filter
self-oscillate
set COARSE sine VCO
frequency
pitch CV
set in
VCO mode
set FINE sine VCO
frequency
VCO sine
outputs
out
time
VC sine oscillator