ENV DEPTH KnobControls the amount of change to the filter Cut off (set by the FRE-QUENCY knob) by the Modulation Envelope. In its central positionthere is no change to the filter Cut off frequency. Adjusting the knobanticlockwise from centre will introduce an increasing amount of nega-tive modulation.The filter will close as the MOD ENV runs through its cycle. Adjustingthe knob clockwise from centre will introduce an increasing amount ofpositive modulation. The filter will be opened by the MOD ENV.LFO DEPTH KnobControls the amount of change to the filter Cut off (set by the FRE-QUENCY knob) by LFO 2. In its central position there is no change tothe filter Cut off frequency. Adjusting the knob anticlockwise from centrewill introduce an increasing amount of negative modulation. The Filterwill close and open in time with LFO2 (this creates the popular wowwow effect of LFO2 wavefrom is set to Triangle).Adjusting the knob clockwise from centre will introduce an increasingamount of positive modulation. The filter will open and close in time withLFO 2.OVERDRIVE KnobThis knob controls how much the filter is overdriven. When used inlarge amounts it will have the effect of making the sound richer andslightly distorted.SLOPE ButtonControls how drastically the frequencies above (Low Pass), below (HighPass) or around (Band Pass) the Cut off point are removed from thesound. When the 12dB position is selected, the Cut off slope is gentleso higher harmonics are not attenuated (reduced in volume) as sharplyas they are when the 24dB position is selected.TYPE ButtonDetermines whether the Filter is acting as a Low Pass, High Pass orBand Pass type.HPF ON ButtonThis button is not used in KS Synth Mode.FILTER SELECT ButtonThis button is not used in KS Synth Mode since the KS Synth only hasa single Filter.More functions associated with the Filter can be found in the FilterMenu. See Page 45.The LFOs SectionThere are two LFOs - Low FrequencyOscillators - available on the KS Synth.These produce regular electronic varia-tions which are too low to be heard whenconverted into audio vibrations. They canmodify various elements of the sound,producing regular changes in pitch (vibra-to), pulse width or filter Cut off.SPEED KnobControls the speed of the selected LFO. Faster speeds are set by turn-ing the knob clockwise. These are suitable for vibrato and tremoloeffects. Slower speeds are more appropriate for Pulse Width changesor special effects.DELAY / AMOUNT KnobControls how long after the note is struck the selected LFO begins totake effect. Fully anticlockwise and the selected LFO effect will beginimmediately. Turning clockwise will cause the LFO effect to fade in. Thetime of the fade in is dependent on the knob position. This is used fordelayed vibrato effects.LFO SELECT ButtonSelects the desired LFO for editing. Only LFOs 1 or 2 can be selectedon the KS Synth.WAVEFORM & DEST ButtonsSelects the LFO waveform. Use the WAVEFORM button to move up thewaveform list and the DEST button to move down the waveform list.The three waveforms 20, 21 and22 are very special. If one of theseparticular waveforms is selected forLFO 1, this LFO can then be usedto modulate one or more of theoscillator frequencies to producethe appropriate scale.(see page37)To do this, LFO1 should be set tothe unipolar mode (see page 45)and the LFO mod depth assignedwithin the oscillator section shouldhave a value of exactly 30 for a ris-ing scale and -30 for a fallingscale.This can create very complexpatches, particularly when used incombination with the arpeggiator.THE KS SYNTHESIZERThe LFOs Section• 41 •LFO WaveformsValue Display0 SINE1 TRIANGLE2 SAWTOOTH3 SQUARE4 RANDM S/H5 QUANT S/H6 CROSSFADE7 EXP DEC18 EXP DEC29 EXP DEC310 ATT EXP111 ATT EXP212 ATT EXP313 SUST EXP114 SUST EXP215 SUST EXP316 PIANOENV117 PIANOENV218 PIANOENV319 EXPUPDOWN20 CHROMATIC21 MAJ-MODES22 MAJOR-723 PATTERN 124 PATTERN 225 PATTERN 326 PATTERN 427 PATTERN 528 PATTERN 629 PATTERN 730 PATTERN 831 PATTERN 9