Yamaha CS-5 Owner's Manual page 9

_ ____7_T___ __ frsmH_J J_______J____ ______________ _t _ l__;__ ______x_;nr)___rr__________ __r_J_ __0_____0___0______ l_ ___ ;___o_________0l______/___ _
FuNcT_oNs vco/_FO
__8 PWM (Pulse Width Modulation) p_m. pu_se w__dth modu_at._
Modul_tes the puIse width of the VCO_ (squaTe)
waves at a period set with the SPEED knob in the
LFO. When the knob is turned to O, symmetrical
squaTe waves are produced. The further it is turned _ towards lO, the larger becomes the change ln pulse _
width.
Sinewave of
. h ff f h p_m . . LfO per_od
_ _ O COn Ifm t e e eCt O t e , It lS neCeSSary to turn the _ (sawtooth wave) knob 00 and the 1o
EXT/NO _SE knob 00 'ln _he m_xER b_ock ful1y
left and turn the _ (square wave) knob towards In PWM 10 (maX_),
' pulse width changed
10. l 5o to goo/o ___
_ The PVVM foflows a _ (sine wave), regardless of
the waveform switch position in the LFO.
The LFO is a _e_ low _requenc_ oscil_tDr bloc_ to produce perjodic_l changes in pitch, tone,
and _olu1ne as cre_ted b_ t_e _CO, _CF, _Jzd _CA bloc_s.
_ To confirm the effect of the LFO, it is necessary to turn up the LFO MOD knobs in each
block.
_ _
;x__q;,n__ _ l _ __ _ _ _ ; _;h,,, , _cm
-____-_t ______ ! __________ _________
- ! vn__T__2 _ l _ _ _, _ ______ JJ____c _
_ ___ _ 4_n!_'___'__!_ _t ___ ____ hc!TM_____!__ ______"__v ___ __'__L'!_m_?___ __ _, ___
_'_C__;__! ' __'__ _, , ____ ' t r___, _,____ ____! _ '
_ v_'___m _ ' _ _vx,_;m; ____ _J __X__ _J_ ___ ____ _ ___ _____
____"P , t_,___ ,o_
_'_T j 1 _ t ____m__ OLFoma_ __'_h _FomaD _J_'_mV
o ____, ! _ _________ ____ 0 ___ ____ ___ _________,! ____ Ç ____ _ __ ___ _S
s_EEo F O LFonoo ' O ^_ __Jm_ ___ _-_ ' 4_n__ ' _ _ _ _ ' '____ __ _____ ___ _! ___m __ _!_y_ _ __ J___T_ w!?_ ___vc i _ _ __!_ _q_: __ __ _ __
%_ siEED s/H : sA_1_LE AND Ho_D
This knob adJusts the moduIation period. The Causes irregular changes. S/H samp1es an
speed becomes faster the further the kn_b is turned instant va1ue of the irregularly changing
towards F. The adjustable range is O.3 to 100 Hz. noise waves, and sustains that value until By ch_ging the speed different sound effects can another samp1ing is made, thus producing
be produced. irregularly changing modulation signals. The
_ sampling period is determined by the SPEED
__ LFO knob__.
_: sINEwAvE Gently changing sound effects can be ob- s /H p,;nc;
tained.
Vibrato effect to VCO. Noise waveform. S/H output.
_ I!l _
an rOWeeCtStO . _o_ Tremolo effect to vcA. 0 0 _ _' _ l , 0
0_<barcode type="unknown" />
' '
Intermittant sudden change and slow _
change.
_