User Manual

6-38

Program Mode

The LFO Page

LFOsarelow‐frequencyoscillators.LFOsareusedtoautomatethemodulationofaparameter

basedontheshapeandfrequencyofanaudiowaveform.You’llusetheLFOpagetodefinethe

behaviorofthetwoLFOsavailabletoeachlayer.LFOsareperiodic(repeating)controlsources.

Thebasicelements

aretherate,whichdefineshowfrequentlytheLFOrepeats,andshape,

whichdefinesthewaveformofthemodulationsignalitgenerates.

WiththePC3K,youcan setupperand lowerlimitsoneachLFO’srate,andassignacontrol

sourcetochangetheLFO’srateinrealtime,ifyouwish.

Becauseofitsperiodicnature,theLFOisperfectforcreatingeffectslikevibrato(cyclicvariation

inpitch)andtremolo(cyclicvariationinamplitude).Whenyou’reeditingLFOs,oranycontrol

source,rememberthatitmustbeassignedtocontrolsomeparameterbeforeyou’llhearthe

effectsofyouredits.

LFO1

isalwayslocal,meaningthatit’striggeredwitheachNoteOnevent,andruns

independentlyforeachnoteinthelayer.LFO2islocalbydefault,butcanbemadeglobal.Thisis

doneontheCOMMONpage,bysettingtheGlobalsparametertoOn,whichcausesLFO2,

ASR2,FUN2

andFUN4alltobecomeglobal.Globalcontrolsuniformlyaffecteverynoteineach

layer.

Parameter Group (Available

for each of LFO1 and LFO2)

Range of Values Default

Minimum Rate 1/4 note, 1/8 note, 1/8 triplet, 1/16 note,

0 to 24 Hz

0.00

Maximum Rate 0 to 24 Hz 0.00

Rate Control Control Source List Off

LFO Shape LFO Shape List (Ref. Guide) Sine

LFO Start Phase 0, 90, 180, 270 Degrees 0