ViewSonic WPG-360 User Manual page 31

To select user by remote controller:
When there is more than one connected application software, you can also use remote
controller to select one of them to display the content (same as 'Conference control'
function described in last chapter). Press 'Login' button on remote control.
You can use 'Prev.' and 'Next' button on the remote controller to move the bar, then click
button to select the presenting user.
ViewSonic WPG-360 24