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Dave Smith Instruments PRO 2 User Manual

Page 30

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20 Oscillators

Dave Smith Instruments

Oscillator 1

Oscillator 2

Oscillator 1

synced to

Oscillator 2

The following table shows how the oscillators are paired.

2
3
4
1

1
2
3
4

Master

Osc

Slave

Osc

controls

The effect of Sync is much more easily heard than explained. Here’s a

simple example of how to use Sync.

1. Load the Basic Program from the Global menu. Oscillator 1 S

hape

is

set to sawtooth and oscillators 2, 3, and 4 are off.

2. With oscillator 1 selected, press the

Sync

button to turn oscillator 1 sync

on.

3. Now turn oscillator 1 p

itch

while playing the keyboard.

The harmonic content changes, but not the fundamental pitch.

Now select oscillator 2 and do the same thing while turning oscilla-

tor 2

pitch

. (Remember: only oscillator 1 should actually be audible.)

The fundamental pitch changes, but the harmonic content is relatively

consistent. Oscillator 2 is the master and oscillator 1 is the slave.

Use glide, an envelope generator, an LFO, the mod wheel, or other modulation

source to sweep the pitch of a slave oscillator.

Of course, each of the four oscillators can be synced, so it’s possible to

have two pairs of synced oscillators or to sync oscillators in series (an

oscillator synced to a synced oscillator, synced to a synced oscillator…).