selectoneobjectwithyourkeyboard,theobjectishighlighted.Whenyoumovethepointertooneobject
withyourmouse,theintroductorytextoftheobjectisdisplayed.
Touseon-screennotification,openControlPanel,clickEaseofAccess➙EaseofAccessCenter,and
thenclickUsetextorvisualalternativesforsounds.
Audionotification
Audionotificationhelpsvisuallyimpairedpeopleorpeoplewithweaksightbeawareofthestatusoftheir
computer.
Touseaudionotification,openControlPanel,clickEaseofAccess➙EaseofAccessCenter➙Usethe
computerwithoutadisplay,andthenselectTurnonAudioDescription.
Narrator
Narratorisascreenreaderthatreadswhatisdisplayedonthescreenaloudanddescribeseventslike
errormessages.
ToopenNarrator,clicktheStartbutton.Then,typeNarratorintothesearchfield.Inthelistofresults,
clickNarrator.
FormoreinformationabouthowtouseandconfigureNarrator,seetheWindowsHelpandSupport
informationsystem.
Screen-readertechnologies
Screen-readertechnologiesareprimarilyfocusedonsoftwareprograminterfaces,helpinformationsystems,
andavarietyofonlinedocuments.Foradditionalinformationaboutscreenreaders,seethefollowing:
•UsingPDFswithscreenreaders:
http://www.adobe.com/accessibility.html?promoid=DJGVE
•UsingtheJAWSscreenreader:
http://www.freedomscientific.com/jaws-hq.asp
•UsingtheNVDAscreenreader:
http://www.nvaccess.org/
SpeechRecognition
SpeechRecognitionenablesyoutocontrolyourcomputerbyvoice.
Usingonlyyourvoice,youcanstartprograms,openmenus,clickobjectsonthescreen,dictatetextinto
documents,andwriteandsende-mails.Everythingyoudowiththekeyboardandmousecanbedonewith
onlyyourvoice.
ToopenSpeechRecognition,clicktheStartbutton.Then,typeSpeechRecognitionintothesearchfield.
Inthelistofresults,clickSpeechRecognition.
FormoreinformationabouthowtouseandconfigureSpeechRecognition,seetheWindowsHelpand
Supportinformationsystem.
Customizabletextsize
Dependingonyourpreference,youcanchangeonlythetextsizeinsteadofchangingthesizeofeverything
onthedesktop.Tochangethetextsize,openControlPanelandclickAppearancesandPersonalization➙
Display.Then,gotoChangeonlythetextsizeandsetatextsizethatmeetsyourneeds.
Chapter3.Youandyourcomputer15
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