Elecom UCAM-CX80FBBK User Manual page 35

Select "Microphone (Webcam Internal Mic)" if using the built-in microphone.
You can now use this product with Zoom.
Cisco Webex Meetings
The description below uses images from "Cisco Webex Meetings v.41.9.3.16".
1) Check that the camera is connected to your PC before starting up Cisco
Webex Meetings.
2) Click on "Start a Meeting".
3) Click on the ▼ on the right of "Video Option".