FAQs, etc.•Licence •Maintenance•Frequently Asked Questions49Licence•DVB is a trademark of the DVB Digital Video Broadcasting Project (1991 to 1996).•VGA is a trademark of International Business Machines Corporation.•Macintosh is a registered trademark of Apple Inc., USA.•S-VGA is a registered trademark of the Video Electronics Standard Association.Even if no special notation has been made of company or product trademarks, these trademarks have been fully respected.•SDHC Logo is a trademark.•HDMI, the HDMI Logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.•HDAVI ControlTM is a trademark of Panasonic Corporation.•Manufactured under license from Dolby Laboratories.Dolby and the double-D symbol are trademarks of Dolby Laboratories.Trade Mark of the DVB Digital Video Broadcasting Project (1991 to 1996)TH-42PZ80A Declaration of Conformity No. 5726, 18 June 2008TH-50PZ80A Declaration of Conformity No. 5725, 18 June 2008Problem ActionsOtherThe remote control does notwork •Are the batteries installed correctly? (p. 6)•Has the TV been switched On?TV goes into “Standby mode” •Off Timer function is activated. (p. 25)•The TV enters “Standby mode” about 30 mins. after analoguebroadcasting ends.The programme cannot beselected •Is the programme skipped? (p. 29)The programme cannot bechanged •Is the TV in Teletext mode? (p. 18)TV takes so long to turn on •Like your computer, the TV has to run a number of diagnostic andsoftware checks before it can display any programmes.MaintenanceMains plugWipe the mains plug with a dry cloth at regular intervals. (Moisture and dust may lead to fire or electrical shock.)First, remove the mains plug from the socket outlet.Display panelRegular care: Gently wipe the surface clean of dirt by using a soft cloth.Major contamination: Wipe the surface clean using a soft cloth dampened with clean water or diluted neutral detergent(1 part detergent to 100 parts water). Then, using a soft dry cloth, evenly wipe the surface clean until it is dry.Caution•The surface of the display panel has been specially treated and may be easily damaged.Do not tap or scratch the surface with your fingernail or other hard object.•Take care not to subject the surface to insect repellent, solvent, thinner, or other volatile substances(this may degrade surface quality).Cabinet, PedestalRegular care: Wipe the surface clean using a soft dry cloth.Major contamination: Dampen a soft cloth with clean water or water containing a small amount of neutral detergent.Then, wring the cloth and wipe the surface clean with it. Finally, wipe the surface clean with a dry cloth.Caution•Take care not to subject the TV's surfaces to detergent. (A liquid inside the TV could lead to product failure.)•Take care not to subject surfaces to insect repellent, solvent, thinner, or other volatile substances(this may deteriorate the surface by peeling the paint).•Do not allow the cabinet and pedestal to make contact with a rubber or PVC substance for a long time.