ALM ALM003 - Manual (Page 9)

Modulation Oscillator section
This section provides access to a second onboard SID oscillator which can be used
to modulate the main oscillator in interesting ways. The frequency of the modulation
oscillator is controlled by the 1 volt per octave input (0-5V range). Modulation type is
controlled by both the voltage control input (0-5V) and via cycling through type with the
push button. The modulation types are None, Sync and Ring Modulation.
With Sync, The main oscillator is synced to the modulation oscillator frequency.
With Ring modulation, The main oscillator is ring modulated to the modulation
oscillator. Ring modulation forces the triangle waveform to be selected (two triangle
waves are ring modulated together).
ALM-003 - ‘SID GUTS’
9