PRESENTER: Tobii Dynavox software is continuously
improving, so there may be slight differences
between the actual software and our training materials.
Control is an intuitive way of interacting with your computer
using eye tracking.
Designed for people with conditions such as ALS,
cerebral palsy, and spinal cord injuries,
Control makes it easy to navigate and control
your computer using only your eyes with complete independence.
You might be wondering how does eye tracking work?
First, the eye tracker at the base of the computer
sends out near-infrared light, which is reflected in your eyes.
Those reflections are picked up by the eye tracker's cameras.
Through advanced filtering and calculations,
the eye tracker determines where you're looking on the screen,
putting you in control.
Tobii Dynavox eye tracking technology
can track one or both eyes across a variety of conditions
having overcome barriers like bright sunlight, glasses,
head movement, and positioning.
Control introduces a concept called interaction first,
which mimics the natural way you would
use a computer with a mouse.
This means you first navigate to the object on screen
that you want to interact with by looking at the icon.
And then choose what function you
want to perform whether that's right click, double click,
or something else.
To open the Google Chrome browser, for example,
you would activate the double click option.
The gaze trace provides a clear visual
of where you are looking on the screen.
This trace follows your gaze, locking
if a fixation is detected.
This happens when you stare at one spot long enough.
To unlock, simply move your gaze away.
But to interact, select the activator icon to bring up
the interaction menu.
Let's take a closer look at this menu.
Every time you select the activator icon,
the interaction menu opens in the center of your screen
like this.
Notice that a magnified image of the selected area
is displayed in the middle with a menu options surrounding it.
This centralized radial menu improves eye tracking
accuracy and efficiency.
You'll find all of your main interaction functions
in this menu including double click, left click,
scroll, right click, click and drag,
opening an on screen keyboard, and adjust target
for fine tuning your initial selection.
Let's watch how easy it is to use
the tools in computer control to navigate your computer.
Imagine you want to look up today's weather online.
First, fix your gaze on the Google Chrome icon.
Select the activator icon to open your menu
and then choose double click.
Now that your browser is open, fix your gaze
on the address bar.
Again, select the activator icon and choose keyboard
to enter text.
Notice how word prediction makes this process easy.
Select enter on the keyboard to start the search
and then close the keyboard.
To scroll through your result options,
fix your gaze anywhere on the screen,
select the activator icon, and select scroll.
Look toward the bottom of your screen
to start scrolling down to slow down the scrolling speed,
keep your gaze closer to the scroll icon
or look up to go back.
When you have found the website you want, close the scroll tool.
Now fix your gaze on the link, select the activator icon,
and select left click.
Now you're ready to read the weather
and you did everything with your eyes.
For more options with Control, simply
gaze down out of the screen area to bring up the off screen menu.
Here you can access the app switcher,
enable continuous click, pause eye gaze, and even more
like adjusting settings and calibrating the software
to your eyes.
Control even provides quick start guides
right within the software to orient you
to all the controls available.
All in all, Control provides eye gaze users
with speed and precision, reduced eye
fatigue, and more successful interactions.
The bottom line is Control allows
you to use the apps you choose and pursue
the goals that matter to you.
Explore more about Control in the Tobii Dynavox learning hub.