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Chapter 4. Setting System Preferences > Setting Universal Access Options

Setting Universal Access Options

Universal Access preferences make it easier for a person with a disability, such as difficulty seeing or hearing or controlling a mouse, to use a computer. You can set options to have the screen flash when alert sounds occur, switch the screen to black and white for more visual contrast, zoom in on the screen to make images larger to see, use Sticky Keys or Slow Keys to help control the keyboard, and use Mouse Keys to make mouse functionality available on the numeric keypad.

Set Seeing and Hearing Options

Click the System Preferences icon in the Dock, and then click the Universal Access icon.

Click the Seeing tab.

Click the Turn On Zoom button or click the Turn Off Zoom button (a toggle switch).

Press Option++ (plus) to zoom in, or press Option+- (minus) to zoom out.

With zoom on, click Zoom Options to customize.

Click the Switch To White On Black button or click the Switch To Black On White button (a toggle switch).

Click the Set Display To Grayscale or click the Set Display To Color button (a toggle switch).

Drag the slider to enhance the contrast as necessary.

Click the Hearing tab.

Select or clear the Flash The Screen When An Alert Sound Occurs check box.

Click the Close button.


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