(1) CONTROL SECTION: Operation and principles ^
1-7 TOTAL VCA
This device varies the total sound volume over time. Its operation is linked to that of other parts of the synthesizer described below.
When this switch is on, the VCA-1 (Voltage Controlled Amplifier) changes the volume of the sound over time in accordance with the GEG settings.
This switch is turned on when you want
to use an external control such as the control wheel or control pedal to vary
the volume of the sound via the voltage processors.