Erica Synths Fusion Ring Modulator V2 User manual

Hello! I've reviewed the Erica Synths Fusion Ringmodulator user manual. This module combines vacuum tubes and semiconductors for a unique sound. It offers features like adjustable tube overdrive and a color switch for tone shaping. I'm ready to answer any questions about its features, specifications, or installation.
What kind of diodes are used in the ring modulator?

Does the Ringmodulator have adjustable tube overdrive?

What is the purpose of the Colour switch?

What can the input attenuator do?