Intellijel Atlantis - Manual (Page 13)

Pulse width can be adjusted by both the manual slider setting and the PWM signal. The PWM switch selects the source for the pulse width
modulation signal : triangle wave from MODulator VCO, positive ADSR from ENVelope or EXTernal PWM signal.
Pulse Width Modulation
Primary VCO section - 06
set pulse WIDTH
EXTernal Pulse Width
Modulation source
adjust Pulse Width
Modulation
MODulator triangle wave
+5V
-5V
t
+ENVELOPE modulation
+8V
-8V
t
PULSE out