10
MG
The Modulation Generator (MG) is used for cyclic or repetitive modulation effects like VCO frequency
modulation (vibrato); VCF cutoff frequency modulation (waa-waa); and VCA amplitude modulation effects
(tremolo).
FREQUENCY DELAY LEVEL MOD
VCF
VCO
MG
VCA
1) FREQUENCY
Determines the cyclic speed of the effect, as indicated by the LED next to the knob. As the knob is turned
clockwise, the speed increases from a minimum of about 1 cycle every 30 seconds to a maximum of
approximately 50 cycles per second.
2) DELAY
Adjusts the time delay between when you play a key and the effect (vibrato, etc.) begins. At 0, the effect begins
simultaneously with the pressing of a key. Delay time increases as you turn the knob up towards 10, to a
maximum of about 8 seconds. The delay function is single-triggered, which means that a delay is initiated
whenever all keys are released and new key(s) are then depressed.
3) LEVEL
Controls the basic depth of the modulation effect under program control. (Note that the Modulation Wheel to
the left of the keyboard functions independently of the MG section by manually adding a vibrato effect to the
VCOs. Thus, the Mod Wheel will either add to the vibrato level programmed by the MG "LEVEL" control, or will
cause two modulations occur simultaneously: vibrato plus either "waa-waa" or tremolo.)
4) MOD
Lets you select which kind of effect the modulation will produce: VCO (vibrato), VCF (waa-waa), VCA
(tremolo). If you want two effects at once, use the control wheel for vibrato, and set MG MOD to VCF or VCA.
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