Alesis MICRON Reference Manual page 67

6
Programs
Pitch Wheel
When set to bend all notes, moving the pitch wheel will bend the
pitch of all voices that are sounding, even if they are being
sustained by the (sust pedal) or are in their release stage.
When this parameter is set to bend held notes, only voices for which
the keys are still depressed will allow their pitch to be bent by the
pitch wheel.
AnlgDrft
Set the amount of simulated analog drift, up to 100%.
Analog synthesizers have circuits that drift out of tune over time.
Adding a touch of drift can increase the realism of the Micron's
analog emulation.
Osc Sync
Set how the oscillators synchronize to one another.
off
The oscillators sound independent of one another.
hard 2 to 1
Hard sync resets oscillator 2 to the beginning of its waveform
whenever oscillator 1 hits the beginning of its waveform. This has
the effect of forcing oscillator 1's fundamental frequency onto
oscillator 2. This behavior is called "hard sync" because the slave
waveform is "snapped" to zero at the frequency of the master
oscillator, which can create a harsh, rough sound even out of sine
waves.
hard 2+3 to 1
Oscillators 2 and 3 are forced to "hard sync" to oscillator 1.
soft 2 to 1
Every time oscillator 1 begins its cycle, oscillator 2 reverses
direction. The resulting wave has no sharp edges, as it does with
hard sync, but exhibits a mixture of harmonics that can have
interesting sonic properties.
soft 2+3 to 1
Oscillators 2 and 3 are forced to "soft sync" to oscillator 1.
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