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The Synth Parameters > The Envelopes - Pg. 268

LFO 2's play mode is always set to Key Sync. This means that the waveform of LFO 2 will always trigger whenever a note is pressed on your keyboard. The Rate knob determines the frequency of the LFO. To increase the modulation rate, turn the knob to the right. For a slower modulation, turn the knob to the left. It is important to note that LFO 1 has three Rate modes, as follows. Group Rate Mode--When this mode is selected, the rate of LFO 1 is controlled by the LFO 1 Rate knob in the Group parameters of the Remote Editor. This ensures that all of the zones in the NN-XT will modulate at the same rate. Tempo Sync--When this mode is selected, the rate of the LFO is controlled by the tempo of the Reason sequencer. If you activate this mode and then begin to make changes to the Rate knob, a tooltip will display the different time divisions. Free Run--When this mode is selected, the LFO runs continuously at the rate set by the Rate knob. If the Key Sync is activated, the LFO will trigger every time a note is played. Also note that LFO 2 always runs in the Free Run mode. The Delay knob is used to set a delay between playing the note on your keyboard and hearing it. Both LFO 1 and LFO 2 Delay knobs have the same capability and range of 0-10 seconds. Although LFO 2 always uses the triangle waveform, LFO 1 has six waveform choices for modulation. These modes can be selected by clicking on the Waveform Mode button, or by just clicking on the desired waveform. Triangle--Creates a smooth up and down vibrato. Inverted Sawtooth--Creates a cycled ramp up effect. Sawtooth--Creates a cycled ramp down effect. Square--Makes abrupt changes between two values. Random--Creates a random stepped modulation. Also known as sample and hold. Soft Random--Exactly like the previous waveform but has a smoother modulation curve. After a rate, delay, and waveform mode have been selected, it's time to choose a modulation destination. Although LFO 1 and LFO 2 contain different destinations, I placed them all in a single list to discuss them. Pitch--This parameter modulates the pitch of the loaded sample patch. It is commonly used for trills and vibrato, but that is just a couple of many sound design possibilities. The Pitch knob has a range of -2400 to 2400 cents (up to four octaves), and is available in both LFO 1 and LFO 2. Filter--This parameter modulates the Filter Frequency. It is a great tool for creating a filter sweep that can open upward (when set to positive) or downward (when set to negative). Note that this parameter is available only on LFO 1. Level--This knob is used to modulate the output level of the NN-XT for creating a tremolo effect. Note that this is available only with LFO 1.