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VIRUS CLASSIC MANUAL 33

Introduction

LFO 1

Start with the usual basic sound conﬁguration or chose a modiﬁed sound to suit your taste. Locate

the RATE pot in the LFO 1 section of the control panel. The RATE pot is equipped with an LED that

indicates the speed of the LFO as well as its waveshape. Turn the RATE pot and check out how the

ﬂash of the LED indicates the change of pace as you rotate the pot.

Currently you are unable to hear the effect of the LFO as its modulation intensity is set to 0 in the

sound program. In order to change this setting, you must access the AMOUNT button which works

in conjunction with ﬁve vertically arrayed LEDs labeled OSC 1, OSC 2, PW 1+2, RESO 1+2 and

ASSIGN: Press the AMOUNT button repeatedly and observe how the LEDs ﬂash in succession (the

LEDs OSC 1 and OSC 2 ﬂash separately as well as in unison). The corresponding modulation tar-

gets appear in the display, along with the modulation intensity values as determined by the VALUE

pot and VALUE buttons. (You can also scroll through the modulation targets via the PARAMETER

button after you have pressed the AMOUNT button once.) Once you have dialed in a value other

than 0 for a modulation target, the corresponding LED illuminates continually. This feature tells you

at a glance that a modulation is underway even when the display indicates some other type of oper-

ation.

Modulate the ﬁve parameters separately and in combinations with different intensities. Try to antici-

pate the sound you will come up with when you modulate the ﬁrst oscillator, the second oscillator or

both oscillators at once and see if the results match your expectations. If you can fairly reliably pre-

dict the outcome of your sound-shaping efforts, you should have a handle on the information dis-

cussed thus far and can use your knowledge to create speciﬁc sounds you have in mind.

Value Description

OSC-1

refers to the frequency of Oscillator 1

OSC-2

refers to the frequency of Oscillator 2

PW 1+2

means that the pulse widths of both oscillators are controlled in unison

RESO 1+2

refers to the resonances of both ﬁlters. Please keep in mind that although

each set of these parameters is assigned a common modulation intensity,

you can still dial in different sound-shaping settings manually. In other

words, the audible result of a joint modulation varies according to the val-

ues you have determined for the other parameters.

ASSIGN

Here you can freely select any modulation destination.

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