39English"Output mode" should be set to "Stereo" if you are listening to speakers, Dolbysurround," or "Virtual surround sound" if you are using headphones.Note: If your speakers are not capable of outputting low-frequency signals, it is recommended that you do not selectVirtual surround sound, in order to avoid damaging yourspeakers.Click Run Setup Wizard to change your original start-up settings.Click About Acer Arcade to open a page with version and copyrightinformation.Click Restore default settings to return the Acer Arcade settings to their defaultvalues.Arcade controlsWhen watching video clips, movies or slide shows as full-screen visual content,two pop-up control panels are shown when you move the pointer. Theyautomatically disappear after several seconds. The "Navigation controls" panelappears at the top and the "Player controls" panel appears at the bottom ofthe screen.Navigation controlsTo return to the Arcade home page, click the Home button in the upper leftcorner of the window. To go up one folder level while searching for content,click Up one level. To return to the previous screen, click the red arrow. Thebuttons in the upper right (minimize, maximize, close) have standard PCbehaviors.To quit Arcade, click the Close button in the upper right corner of the window.Player controlsAt the bottom of the window, the player controls — used for video, slide shows,TV, movies and music — are shown. The group on the left provides standardplayback controls (play, pause, stop, etc.). The group on the right controlsvolume (mute and volume up/down).Note: When playing DVDs and watching TV, there are additionalcontrols added to the right of the volume controls. These arediscussed in more detail in the Cinema and TV sections of thisguide.