Audio Buttons An audio button appears in the button area if there is audio content in the document being displayed. The audio button contains an icon that represents a loudspeaker. The presence of audio content on a page is indicated by another button displayed on the page near the location of the audio content. These buttons on the page can obscure the other data on the page, so to see all of the rest of the data on the page you may want to turn them off. To play the audio data you will have to turn them back on. Clicking on the audio button in the button area turns on and off the displaying of audio buttons on the page. The audio button contains one of the following speaker icons: * Solid speaker icon The solid speaker icon indicates that there is audio content on the current page. * Outline speaker The outline speaker icon indicates that there is no audio content on the current page. * Crossed-out speaker A speaker icon with a cross through it indicates that there is audio content on the page, and that the audio content is being displayed on the page (a speaker icon on the page indicates the location of the audio content on the page). To play back a piece of audio content, click on the corresponding audio button on the page. To stop the playback. click on the audio button again. If you click on another audio button while a playback is in progress, the first playback will end and playback of the other audio content will begin. Note Audio playback requires special hardware and software. If you do not hear anything when you click on an audio button, select Diagnostic Information... from the File menu to see any errors reported. Additional Information: * Overview of the CDA Viewer * Using the CDA Viewer Window * Left Arrow Button * Page... Button * Right Arrow Button * Cancel Button in the CDA Viewer Window * Sliders and Borders * File Menu * Help Menu * Opening a File * Closing a File * Quitting from the CDA Viewer