Just like the original Jupiter-8, the JP-08 has 2 VCOs (voltage controlled oscillators). Having 2 VCOs offers a great advantage in creating many awesome type of sounds.
The VCO-1 allows you to choose from several waveforms: sine, triangle, sawtooth, pulse, square, white noise and low frequency wave.
The RANGE (64, 32, 16, 8, 4, 2) specifies the octave of the oscillator; for example 8 is the fundamental; 16 is one octave lower and 4 one octave higher. The numbers for the octaves historically originate from the lengths of organ pipes (measured in feet).
The CROSS MOD allows you to modifiy the VCO-1 frequency according to the VCO-2 waveform. Move the slider up to create metallic sounds or effects.
The VCO-2 allows you to choose from the following waveforms: sine, sawtooth, pulse, and low frequency wave.
The RANGE (64, 32, 16, 8, 4, 2) specifies the octave of the oscillator.
The FINE TUNE knob permits the pitch adjustment of the VCO-2.
The SYNC is the oscillator sync.
The SOURCE MIX knob allows to balance the volume of the VCO-1 and VCO-2.
The VCO MOD section allows for modulation of the oscillators.
The LFO MOD slider adjust the depth by which the LFO modulates the VCO.
The ENV MOD slider adjust the depth by which the ENV-1 modulates the VCO.
The FREQ MOD SWITCH allows you to select the VCOs which are modulated by LFO/ENV MOD.
The PULSE WIDTH MOD slider stands for pulse width modulation, which changes the symmetrical square wave (50% pulse width) to an asymmetrical pulse wave. This happens when the SWITCH is in the M (manual mode). When in LFO or ENV-1 mode it adjusts the modulation depth.
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