17Speed slider bar: This bar helps you customize and fine-tune the trackIR’s scaling(speed) setting. The further the bar is moved to the right, the less head movement isnecessary to move the cursor. You should spend some time experimenting in order todiscover your ideal speed level. Any adjustments you make to this setting will appear as aforth button on the Quick Start motion settings marked Custom.Smoothing slider bar: This bar controls the degree of unintentional head movement thatthe system will filter out. In environments such as a car or airplane where a fair amountof unintentional movement is unavoidable, it may be desirable to move this bar further tothe left. Any adjustments you make to this setting will appear as a forth button on theQuick Start motion settings marked Custom.Profiles: Use this feature to save your preferred settings. To save or load a previouslysaved setting click in the Profiles button on the lower left hand side of the softwarescreen. A menu with several options will replace the software center graphic.To save a new profile, click in the pull-down box marked and type yourname, or whatever designation you wish to use for this profile. Then click on the savebutton. To load this, or any profile later click on the drop down arrow adjacent to the box, select the desired profile, and click load.Gravity: The Gravity feature helps you click on hard to hit icons and check boxes. Whenthis feature is on, the cursor will jump to the center of whatever icon or button you aretrying to hit, and lock on for a moment. To activate this feature, click on the Gravitybutton. For more Gravity options, see Advanced Settings.