Korg Soundlink DRS OASYS PCI Patches & Effects Manual page 290

Tempo Chorus
If this is set to Frequency Knob, then the LFO speed will be controlled by the
settings in the Frequency section, including the mod source and amount.
If this is set to Manual Tempo, then the Manual Tempo knob will set the basic
tempo, and the note value set in the Subdivisions menu will control the LFO speed.
If this is set to MIDI Tempo, then incoming MIDI Clocks will set the basic tempo,
and the note value set in the Subdivisions menu will control the LFO speed.
Phase
Initial Phase
This sets the point in the waveform at which the LFO starts. Whenever the Phase
Reset controller is received, the LFO will start from the Initial Phase point.
Phase Reset
This sets the MIDI controller which will reset the LFO's phase to the Initial Phase
point. You can use this to trigger the LFO from a MIDI sequencer, so that it always
starts at the same point. This is especially useful in conjunction with MIDI Tempo
synchronization.
To make sure that the LFO's phase is correct when working with a sequencer, it's
best to include the phase reset controller every few bars in the sequence, so that no
matter where you start playback, the LFO will be reset appropriately.
Waveforms and Phase
-180˚ -90˚
Frequency
Frequency
0.00-20.00Hz. This controls the speed of the LFO when the LFO Control is set to
Frequency Knob.
282
0˚ 90˚ 180˚
Triangle
-180˚ -90˚ 0˚
Sine
Chorus
90˚ 180˚
OASYS PCI