Allow the module to warm up for about 5 minutes

1. Set [SIZE] and [DURATION] to '0'
2. Set [RISE RATE] and [FALL RATE] to '10'
3. Adjust P204 until TP1 measures 4.0V
4. Patch [END] to [CYCLE]
5. Monitor the [ENVELOPE] output using an accurate multimeter (ideally with at least 4 decimal places)
6. Set P101 to its mid-position
7. Set [RISE RATE] and [FALL RATE] to '2' for a slowly undulating waveform
8. When the waveform is around 2.5V apply 5VDC to [HOLD] Adjust P101 for minimum drift, clockwise if the voltage is dropping and anti-clockwise if the voltage is rising