I can't see 3D images clearly.Testing 3D Picture Quality" Availability depends on the specific model.Support > Self Diagnosis > 3D Picture Test" If you have not paired your 3D glasses with the TV, pair them first. To test 3D picture quality, the TV and the3D glasses must have been paired.Put on the 3D glasses, navigate to Support > Self Diagnosis and select 3D Picture Test. The 3D PictureTest displays a high definition picture to examine the 3D screen for flaws or faults. If the test fails toidentify a problem, there may be a problem with an external device or the signal strength." If the test picture does not appear or there is noise or distortion, the TV may have a problem. ContactSamsung’s Call Centre for assistance." If the test picture is displayed properly, there may be a problem with the external device. Please check theconnections. If the problem persists, check the signal strength or refer to the external device’s user manual.The Problem Try this!The 3D glasses are notworking correctly.Make sure the glasses are powered on.The 3D feature may not work properly if there is another 3D product or anelectronic device running nearby.If there is a problem, keep other electronic devices as far away as possible fromthe 3D Active Glasses.I can't see 3D imagesclearly.The ideal viewing distance is three times or more the height of the screen.We also recommend watching 3D content with your eyes level with the screen.The batteries in the 3Dglasses are flat.Turn off the 3D glasses when they are not in use. If you leave the 3D glasses on,the battery lifespan is shortened.