Initial Setup

Set the following controls to maximum (CW):-

• OSCILLATOR-1 OZ
• OSCILLATOR-1 SUB
• OSCILLATOR-2 OZ
• OSCILLATOR-2 SUB
• VCF-EG SUSTAIN
• VCA-EG SUSTAIN
  

Set the following controls minimum (CCW):-

• TUNE
• VCF ENVELOPE
• VCF NOTE
• VCF VELOCITY
• VCF Q
• VCF-EG ATTACK
• VCF-EG DECAY
• VCF-EG RELEASE
• VCA-EG ATTACK
• VCA-EG DECAY
• VCA-EG RELEASE
• VCA-EG VELOCITY
• VOLUME

Set the following controls ‘0’

• DETUNE
• OSCILLATOR-1 OCTAVE
• OSCILLATOR-2 OCTAVE
  

Set VCF CUTOFF to its centre position ‘5’

Connect a MIDI Controller to MIDI IN

Connect AUDIO to a suitable amplifier

LCD Contrast

Apply power and adjust P1301 for optimum contrast

MIDI-CV Module

1. Monitor TP401 and adjust P401 for an output of -10.667V

Voltage Controlled Amplifiers (VCA1 and VCA2)

1. Adjust P1201 full CCW
2. Play and release a MIDI Note near Middle C
3. Adjust VOLUME for a suitable listening level
4. Adjust P1201 CW until the note just cannot be heard
5. Set VCA-VELOCITY to minimum
6. Monitor U1102_14
7. Adjust P1111 for 2.8VDC

VCF CV Scaling

Set the following controls minimum (CCW):-

• OSCILLATOR-1 SUB
• OSCILLATOR-2 OZ
• OSCILLATOR-2 SUB
  

Set the following controls to maximum (CW):

• VCF CUTOFF
• VCF Q

Set the waveform for OZ1 to ‘A8’

1. Monitor U1102_1
2. Play and hold a MIDI Note and adjust P902 until the output just starts to self-oscillate
3. Back off slightly
4. Repeat to check for consistency across a range of MIDI Notes

Set the following controls minimum (CCW):

• VCF CUTOFF
• VCF VELOCITY
• VCF-EG SUSTAIN

Set the following controls maximum (CW):

• OZ1-SUB
• VCF-Q
• VCF ENVELOPE
  

Adjust VCF-EG ATTACK and VCF-EG DECAY to give an envelope control of the filter so that you can hear it sweeping through the filter range.

1. Play and hold a low MIDI Note (eg C2)
2. Adjust P901 so that after the envelope has completed you can just hear the note