- 203 -SoundBefore requesting service or assistance, please follow these simple guides tosolve the problem.If the problem still persists, please contact your local Panasonic dealer forassistance.No sound is produced● Is “Sound mute” active? Press MUTE to switch sound mute on or off.● Is the volume set to the minimum?● Check connections and setting of external equipment.Watching External equipment● Ensure that Speaker Selection is set to TV.Functions VIERA Link “HDAVI Control™” Speaker SelectionSound level is low or sound is distorted● Sound signal reception may be poor.● Set MPX in the Sound Menu to Mono. (Analogue)Settings Sound Advanced settings3DBefore requesting service or assistance, please follow these simple guides tosolve the problem.If the problem still persists, please contact your local Panasonic dealer forassistance.Cannot view 3D images● Ensure that 3D Mode Selection is set to 3D.Watching 3D 3D Mode Selection● 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.