Yealink VC400 User Manual page 107

The icon appears on the selected video images.
Do one of the following:
5.
- Press or
members to speak.
When two conference members are authorized, the authorized video images are
shown in big sizes, and other video images are shown in small sizes.
When more than two conference members are authorized, the authorized video
images are shown in same sizes.
All the other members are muted and the
images.
to scroll to Complete, and then press
Using the VC400 Video Conferencing System
to authorizes the selected
mute icon appears on their video
95