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PRESENTER: Tobii Dynavox[br]software is continuously

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improving, so there may[br]be slight differences

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between the actual software[br]and our training materials.

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Control is an intuitive way of[br]interacting with your computer

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using eye tracking.

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Designed for people with[br]conditions such as ALS,

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cerebral palsy, and[br]spinal cord injuries,

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Control makes it easy[br]to navigate and control

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your computer using only your[br]eyes with complete independence.

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You might be wondering how[br]does eye tracking work?

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First, the eye tracker at[br]the base of the computer

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sends out near-infrared light,[br]which is reflected in your eyes.

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Those reflections are picked up[br]by the eye tracker's cameras.

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Through advanced filtering[br]and calculations,

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the eye tracker determines where[br]you're looking on the screen,

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putting you in control.

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Tobii Dynavox eye[br]tracking technology

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can track one or both eyes[br]across a variety of conditions

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having overcome barriers like[br]bright sunlight, glasses,

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head movement, and positioning.

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Control introduces a concept[br]called interaction first,

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which mimics the[br]natural way you would

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use a computer with a mouse.

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This means you first navigate[br]to the object on screen

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that you want to interact[br]with by looking at the icon.

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And then choose[br]what function you

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want to perform whether that's[br]right click, double click,

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or something else.

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To open the Google Chrome[br]browser, for example,

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you would activate the[br]double click option.

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The gaze trace[br]provides a clear visual

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of where you are[br]looking on the screen.

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This trace follows[br]your gaze, locking

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if a fixation is detected.

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This happens when you stare[br]at one spot long enough.

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To unlock, simply[br]move your gaze away.

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But to interact, select the[br]activator icon to bring up

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the interaction menu.

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Let's take a closer[br]look at this menu.

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Every time you select[br]the activator icon,

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the interaction menu opens[br]in the center of your screen

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like this.

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Notice that a magnified[br]image of the selected area

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is displayed in the middle with[br]a menu options surrounding it.

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This centralized radial[br]menu improves eye tracking

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accuracy and efficiency.

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You'll find all of your[br]main interaction functions

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in this menu including[br]double click, left click,

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scroll, right click,[br]click and drag,

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opening an on screen[br]keyboard, and adjust target

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for fine tuning your[br]initial selection.

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Let's watch how[br]easy it is to use

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the tools in computer control[br]to navigate your computer.

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Imagine you want to look[br]up today's weather online.

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First, fix your gaze on[br]the Google Chrome icon.

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Select the activator[br]icon to open your menu

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and then choose double click.

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Now that your browser[br]is open, fix your gaze

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on the address bar.

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Again, select the activator[br]icon and choose keyboard

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to enter text.

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Notice how word prediction[br]makes this process easy.

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Select enter on the[br]keyboard to start the search

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and then close the keyboard.

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To scroll through[br]your result options,

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fix your gaze anywhere[br]on the screen,

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select the activator[br]icon, and select scroll.

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Look toward the[br]bottom of your screen

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to start scrolling down to[br]slow down the scrolling speed,

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keep your gaze closer[br]to the scroll icon

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or look up to go back.

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When you have found the website[br]you want, close the scroll tool.

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Now fix your gaze on the link,[br]select the activator icon,

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and select left click.

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Now you're ready[br]to read the weather

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and you did everything[br]with your eyes.

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For more options[br]with Control, simply

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gaze down out of the screen area[br]to bring up the off screen menu.

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Here you can access[br]the app switcher,

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enable continuous click,[br]pause eye gaze, and even more

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like adjusting settings and[br]calibrating the software

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to your eyes.

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Control even provides[br]quick start guides

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right within the[br]software to orient you

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to all the controls available.

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All in all, Control[br]provides eye gaze users

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with speed and[br]precision, reduced eye

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fatigue, and more[br]successful interactions.

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The bottom line[br]is Control allows

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you to use the apps[br]you choose and pursue

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the goals that matter to you.

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Explore more about Control in[br]the Tobii Dynavox learning hub.

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