Sony Virtuoso: Intercom
The intercom function allows you to hear the student, and for the student to hear you. To use the intercom, first click once on the student to select them. The selected student will be highlighted in red.
Then click once on the intercom button. You can see that the intercom button is active by the red light on the button.
To intercom with another student, click once on that student to select them.
In Paired mode, clicking on any student will also select their partner, and you will be able to intercom with both.
To turn the intercom function off, click on the intercom button again.