SQ-80 — Musician's Manual
[DCA1] OSCILLATOR VOLUME PAGE
[DCA2]
[DCA3]
Controls The Volume of Oscillators 1 through 3.
( Inactive Buttons appear i n 'White)
The format of the Oscillator Volume Page is the same for [DCA1], [DCA2] and [DCA3], although each
of these Pages is entirely independent.
Each of these three DCA's (Digitally Controlled Amplifiers) controls the Volume (or amplitude) of the same-
numbered Oscillator (OSC). From the three DCA Pages you can adjust the relative balance of the three
Oscillators. By setting the Manual Level to LEVEL=00, and assigning an Envelope as the
modulator on the appropriate DCA Pages, you can Fade in the volume of the Sustain Wave(s) in a sound,
or perform additive synthesis by bringing in different Oscillators over time.
Use these pages to:
1) Set the Manual Output levels of the three Oscillators;
2) Modulate those levels using any of the 15 available Modulation Sources: and
3) Turn each Oscillator ON or OFF.
ACTIVE CONTROLS:
1. LEVEL
Determines the Manual, or base, volume (amplitude) of the Oscillator. This Level can be thought
of as a 'Volume floor' — the effect of any Modulator(s) is added
to the Level set by this parameter.
So even if LEVEL=00, the Oscillator will still have some amplitude if there is a Modulator (an
Envelope for instance) selected and assigned a Depth greater than Zero. Negative modulation
depths bring the volume lower
than the LEVEL setting. Large amounts of negative Modulation
can silence the Oscillator, regardless of the setting of this control.
50 Section 3 — Voice Programming
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