The MST VCO is a 100% analog 6-octave 1V/O trackable precision oscillator with full pulse width and modulation controls and with 5 waveform outputs. Features: Coarse and Fine tuning controls Manual and CV controlled PWM (pulse width modulation) 3-octave selector switch 2 Modulation inputs; MOD1 can be attenuated with MOD 1 AMT knob Pulse Width Modulation input which can be attenuated 1V/O adjustment trimmer for making adjustments 1V/O CV input jack 5 waveform outputs (can be used simultaneously): Sine, Triangle, Sawtooth, Sawtooth +1 octave, Square Frequency range: 2Hz-14.39 Khz (Sawtooth +1: 28.77 Khz) Specifications: Current draw: 45.9mA on +12V; 46.3mA on -12V Width: 10HP Module depth: 1 7/16 inches (3.7 cm) QUICK START GUIDE VCO CALIBRATION GUIDE