Try and avoid having low energy lighting in close proximity to the television set, as this may react with the 3D sensor on the Glasses.
Best results are obtained when the room has subdued lighting.
Set the Contrast to a level of approximately 85, Brightness 45-50, Colour to 50-55, sharpness 5-7.
Make sure that the “device” e.g. Blu Ray Player has been added via the “Add Devices” option on the home screen.