- 181 -● Some 3D image signals may not be automatically recognised as 3Dimages. Set 3D Mode Selection (Manual) to match the picture format.Watching 3D Viewing 3D● For some people, the 3D images may be difficult to see, or cannot beseen, especially among users who have a different level of eyesightbetween the left and right eyes. Take necessary measures (wearingglasses, etc.) to correct your eyesight before use.There is something wrong with the 3D images● Check the setting of L/R Picture Swap or Edge Smoother.Watching 3D 3D SettingsHDMIBefore requesting service or assistance, please follow these simple guides tosolve the problem.If the problem still persists, please contact your local Panasonic dealer forassistance.Sound is unusual● Set the sound setting of the connected equipment to “2ch L.PCM”.● Check the HDMI1 / 2 / 3 Input setting in the Sound Menu.Settings Sound Advanced settings● If digital sound connection has a problem, select analogue soundconnection.Watching External equipment HDMI featuresPictures from external equipment are unusual when the equipment isconnected via HDMI● Check the HDMI cable is connected properly.Watching External equipment External connection● Turn the TV and equipment off, then turn them on again.● Check an input signal from the equipment.Watching External equipment Valid input signals● Use equipment compliant with EIA/CEA-861/861D.