This allows you change input sources:-
PC: Lectern PC
HDMI: Your laptop
VIS: Visualiser
The black keyboard and mouse control the lectern PC
The built-in trackpad allows you to move the cursor on-screen and click.
If you are presenting a PowerPoint slideshow and want to use the clicker to progress slides, insert the USB dongle from the remote into your laptop.
Don't forget to remove the dongle when you are finished.
This allows you to draw on-screen using the pen provided.
To use the Wacom in your presentation:-
This acts as a camera for showcasing items on presenting paper documents.
To use the visualiser:-
This is used for moving your mouse pointer around on screen and clicking.