28 nVIDIa 3D VIsIon PRo UseR GUIDewireless glasses are no longer charging. To fix this, disable anypower saving options on your PC under the Windows ControlPanel. alternatively, you can use a Usb wall charging device tocharge the glasses directly from your wall power outlet withoutconnecting to the PC.> Make sure you have used the DVI cable that was shipped withyour 3D Vision Ready 120Hz LCD display. This is a dual-linkcable and 3D Vision will not operate without it.Image is not ClearDepth Needs Adjustingadjust depth amount in your application or for DirectX applicationsusing the slider on the nVIDIa Control Panel Setup screen. If you arein a supported application, use the thumb wheel on the back of theHub or the shortcut keys Ctrl+F3 to decrease depth and Ctrl+F4 toincrease depth.Excessive Flickeringflicker in your peripheral vision can be caused by differences infrequencies at which 3D Vision Pro operates and the lighting in yourroom. This type of flicker can be avoided by turning off the lights orchanging the stereoscopic 3D refresh rate. To see the refresh rates,run the setup Wizard from the nVIDIa Control panel> 120 Hz refresh rate for use in north america when lights are on> 110 Hz refresh rate for daytime and when lights are off> 100 Hz refresh rate for countries with 50 Hz lighting and whenlights are on06