42 Using the Optional Wireless Keyboard and MouseMedia Control KeysNOTE: The media control keys are capacitive buttons, and as such, may feeldifferent from other buttons when pressed.The optional wireless keyboard has media control keys to aid you in quickcontrol of volume and playback functions on your computer. These buttonslight up when you press them.In addition to the basic media control keys shown in "Using Multimedia" onpage 31, the optional keyboard also incorporates the following keys.Press to rewind within the current track/chapter.Press once to go back to the start of the current playing track/chapter.Press multiple times to skip back to previous track/chapters.Press to fast-forward within the current track/chapter.Press once to skip forward one track/chapter. Press multiple times to skipforward multiple tracks/chapters.Press to start or stop recording.Press to change channels (increasing).Press to change channels (decreasing).