Erica Synths EDU DIY Dual VCA Eurorack Module Kit - Manual (Page 28)

After setting this up on your breadboard, you should try fiddling with the trimmer’s setting.
Monitor the output signal on your oscilloscope, and aim to get the waveform’s mid axis
exactly aligned with the 0 V line.
After this, there’s just one minor thing we need to fix. If you turn the gain way up, you
can see that the maximum voltage swing is still pretty far from the 10 V peak-to-
peak that is the de-facto standard in the modular synth world
.
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