LFO SECTION
means if a Delay is set using the LFO Delay Knob then LFO modulation will be present a the start of the note & will “Fade out”
over the Delay period. The range of this parameter is In & Out. This parameter is memorised with a Program.
The lower parameter is “Delay trigger”. In this case with a value of Multi.
This parameter determines how the "Delay" parameter is triggered on the selected LFO. Turning the lower Data knob anticlockwise
selects the "Multi" option which means the LFO Delay Time is reset to the start value every time any key is pressed. Turning the
upper Data knob clockwise selects the "Single" option which means the LFO Delay Time is reset to the start value only if no other
keys are currently held down. The range of this parameter is Multi & Single. This parameter is memorised with a program.
LFO 1 -
Button
LFO 2 -
Button
The LFO 1 & LFO 2 buttons select which LFO the Speed & Delay knobs are going to adjust. To adjust LFO 1 press the LFO 1 but-
ton. To adjust the LFO 2 press the LFO 2 button.
Delay
-
Knob
The Delay knob controls how long after the note is struck before the selected LFO begins to take effect. If the knob is fully anti-
clockwise the LFO will begin immediately. As the knob is turned clockwise it will take increasingly longer for the LFO effect to be
introduced.
This is particularly useful for vibrato effects where if present as the note is struck, can make the note sound out of tune. Turning the
Delay Knob slightly clockwise, selected LFO will not be introduced until after the note is struck, thereby removing the problem.
If you have problems getting the selected LFO to take effect, make sure the delay knob is not set fully clockwise.
Fast
-
Button
Normal-
Button
Slow
-
Button
Speed -
Knob
The Fast Normal & Slow buttons select the frequency range for the currently selected LFO. If the Slow button is selected the
Speed knob of the selected LFO will have a range that goes from stopped to moderate speeds. If the Normal button is selected the
Speed knob of the selected LFO will have a range equivalent to that found on a normal synthesiser. If the Fast button is selected
the Speed knob of the selected LFO will have a range of stopped to several Khz. This parameter is memorised with a Program.
Speed -
Knob
The Speed knob controls the rate at which the selected LFO oscillates. Turning the Speed knob fully anticlockwise sets the LFO
running at its slowest speed ( which is actually stopped ) & turning the Speed knob fully clockwise sets the LFO running at its high-
est speed. ( Which can be KHz )
Square
-
Button
Saw
-
Button
Tri
-
Button
S/H
-
Button
These Buttons select which waveform the selected LFO has.
The Tri button selects a Triangle waveform. This waveform gives the smoothest, continuous change in level to the LFO & is there-
fore probably the most useful setting. When used in the Oscillator Section it gives you vibrato ( if used at moderate speed & subtle
amount ) or “Siren” effects ( if used at slow speeds & large amount ) or FM type effects. ( if used at high speed & subtle amount ) If
used with the Filter slow speeds produce Wah Wah effects.
The Saw button selects a Sawtooth waveform. This waveform looks like the teeth of a saw ( from which it gets its name ) & gives
you a falling level which suddenly jumps back up to full level. When used in the Filter it produces a rhythmic pulsating effect, similar
to a sequenced repeated bass line. When used in the Oscillator Section it can be used to create “Alarm” type sounds.
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