[MCU-1400/1900] When I performing the Video Conference, how can I switch to different VSC monitor

A: Please press the # key to change the division pictures for different video layouts.
Press # to up the screen. Default is 4 screens (1, 4, 6, 7, 8, 9)
Ex: 4 screens press # switch to 6 screens, press # again switch to 7 screens….

To press * to down the screen, ex: 7 screens press * down to 6 screens, 6 screens press * to down to 4 screens