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CONN. PIN                 FUNCTION                 Direction

 A1            VCO 1 - External Modulation         Input
 A2            VC0 1 - Sawtooth Waveform           Output
 A3            VCO 1 - Pulse Waveform              Output

 B1            VCO 1 - Control Voltage #1          Input
 B2            Ground
 B3            VCO 1 - Control Voltage #2          Input

 C1            VCO 1 - Sync Output                 Output
 C2            Ground
 C3            VCO 1 - Sync Input                  Input

 D1            VCO 2 - Control Voltage #1          Input
 D2            Ground
 D3            VCO 2 - Control Voltage #2          Input

 E1            VCO 2 - External Modulation         Input
 E2            VC0 2 - Sawtooth Waveform           Output
 E3            VCO 2 - Pulse Waveform              Output

 F1            VCO 2 - Sync Output                 Output
 F2            VCA   - Control Input               Input
 F3            VCO 2 - Sync Input                  Input

 G1            LFO Trigger                         Input
 G2            Ground
 G3            LFO Waveform                        Output

 H1            VCF - Control Voltage #1            Input
 H2            VCF - Control Voltage #2            Input
 H3            VCF - External Modulation           Input

 I1            VCA Output                          Output
 I2            Ground
 I3            Output Amplifier Input              Input

 J1            VCF - HiPass Signal                 Output
 J2            Ground
 J3            VCF - Bandpass Signal               Output

 K1            Selected VCF Response               Output
 K2            Ground
 K3            VCF - LowPass Signal                Output

 L1            External Audio Input #1             Input
 L2            Ground
 L3            External Audio Input #1             Input

 M1            External Audio Input #2             Input
 M2            Ground
 M3            External Audio Input #2             Input

 X1            ENV 1 - Output                      Output
 X2            ENV 1 - Gate                        Input
 X3            ENV 1 - Trigger                     Input

 Y1            ENV 2 - Output                      Output
 Y2            ENV 2 - Gate                        Input
 Y3            ENV 2 - Trigger                     Input

 Z1            +18 Volts                           Input
 Z2            Ground
 Z3            Ground
 Z4            -18 Volts                           Input