18 A Tour of Your ComputerT O U C H P A D — Provides the functionality of a mouse.T O U C H P A D S C R O L L Z O N E — Provides the functionality of the scroll button on a mouse. A vertical scroll zone islocated on the right side of the touch pad. A horizontal scroll zone is located on the bottom of the touch pad.M E D I A C O N T R O L B U T T O N S — Control CD, DVD, and Media Player playback.S P E A K E R S — To adjust the volume of the integrated speakers, press the media control buttons or speaker-volumekeyboard shortcuts. For more information, see "Speaker Functions" on page 41.T O U C H P A D B U T T O N S — Touch pad buttons provide the same functionality as mouse buttons.K E Y B O A R D — The keyboard includes a numeric keypad as well as the Microsoft Windows logo key. For informationon supported keyboard shortcuts, see "Key Combinations" on page 40.DE L L ™ ME D I A DI R E C T ™ B U T T O N — Press the Dell MediaDirect button to launch Dell MediaDirect or Microsoft®Windows® Media Center Edition. See "Using Dell Media Experience and Dell MediaDirect™" on page 56.Mute the sound.Turn the volume down.Turn the volume up.Play or pause.Play the previous track.Play the next track.Stop.PD598a01.book Page 18 Monday, February 6, 2006 2:24 PM