Octave Kitten Calibration Procedure

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KITTEN CALIBRATION PROCEDURE

The following test equipment is required in order to perform calibration of the instrument.

1. A high input impedance digital voltmeter of at least 3½ digit accuracy.

2. A DC Coupled, triggered oscilloscope.

3. A digital frequency counter, strobe tuner, or suitable Reference Frequency standard.

4. An amplifier with speaker or headphones capable of high fidelity.

Before beginning the calibration procedure, the following steps must be taken:

1. Be sure that the instrument has warmed up for at least ½ hour

2. Connect the audio output to a monitor amplifier

3. Center the Octave Shift switch and Pitch Bend controls

4. Be sure that all modulation controls and glide are fully off

5. "Fc" control fully up and "Q" control fully down

6. VCA switch is in the BYPASS position

7. All pedal inputs disconnected

NOTE:

CALIBRATION MUST BE PERFORMED IN THE SEQUENCE PRESENTED.

FAILURE TO DO SO WILL RESULT IN AN IMPROPERLY TUNED INSTRUMENT.

1. Keyboard Current

2. ADSR Attack Time

3. Octave Transpose Cal.

4. Pitch Bend Cal.

5. VCO Volts/Octave

6. VCO Range

7. VCO Initial Pulse Width

10. VCF Volts/Octave

Table of Contents

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Page 1 1. Be sure that the instrument has warmed up for at least ½ hour 2. Connect the audio output to a monitor amplifier 3. Center the Octave Shift switch and Pitch Bend controls 4. Be sure that all modulation controls and glide are fully off 5.
Page 2 6. Adjust the OCTAVE TRANSPOSE TRIMMER for zero beat between VCO1 and Reference Frequency. PITCH BEND 1. Repeat steps 1, 2 and 3 for the OCTAVE TRANSPOSE adjustment. 2. Depress C3. 3. Place the PITCH BEND slider in the +1 position.
Page 3 KITTEN CALIBRATION PROCEDURE TRIMMER LOCATIONS 1. Keyboard Current 6. VCO Range 2. ADSR Attack Time 7. VCO Initial Pulse Width 3. Octave Transpose Cal. 8. VCO Triangle Symmetry 4. Pitch Bend Cal. 9. VCA Control Rejection 5. VCO Volts/Octave 10. VCF Volts/Octave...