AutoFilter LFO controls in Logic Pro for iPad

On/Off button: Turn the LFO section on or off.

 Rate knob and field: Set the speed of LFO modulation.

Sync button: Synchronize the LFO with the project tempo. You can set bar values, triplet values, and more with the Rate knob and field.

Waveform pop-up menu: Select the shape of the LFO waveform. Choose from: descending sawtooth, ascending sawtooth, triangle, pulse wave, or random.

Retrigger button: Turn on to retrigger the LFO waveform from the start of the cycle each time.

Pulsewidth knob and field: Alter the curve shape of the selected waveform.

Sync Phase knob and field: When Sync is active, rotate to set the phase relationship between the LFO rate and the project tempo. This parameter is dimmed when Beat Sync is disabled.

Stereo Phase knob and field: Set the phase relationship of the LFO modulations between the two channels (stereo only).