How do I activate the microphones on C920e?

C920e comes with the built-in microphone deactivated by default. To activate the microphone:

Step 1 Download Logi Tune here and install it on your computer.

Step 2 Connect C920e and open Logi Tune application from desktop.

Step 3 Select Settings > Enable Built-in-Mic.

Step 4 Continue with instructions on the screen to enable microphones.