Frequently Asked Questions88FAQsBefore requesting service or assistance, please follow these simple guides to resolve the problem.If the problem still persists, please contact your local Panasonic dealer for assistance.Block noise, frozen or disappearing image occurs in DVB mode / White spots or shadow image (ghosting) occurs inAnalogue mode / Some channels cannot be tuned• Check the position, direction and connection of the aerial.• Check [Signal Condition] (p. 42). If [Signal Quality] is displayed in red, the DVB signal is weak.• Weather conditions will affect signal reception (heavy rain, snow, etc.), in particular in poor reception areas. Even duringgood weather, the high pressure can cause poor reception of some channels.• Due to the digital reception technologies involved, quality of the digital signals may be relatively low in some cases,despite good reception of analogue channels.• Turn the TV off with the Mains power On / Off switch, and then on again.• If problem persists, consult your local dealer or service provider for the availability of services.No programmes shown on TV Guide• Check the digital transmitter.• Adjust the direction of the aerial to another transmitter installed nearby.• Check the analogue broadcast. If the image quality is poor, check the aerial and consult your local dealer.Neither image nor sound is produced• Is the TV in AV mode?• Check the correct input mode is selected.• Check the mains lead is plugged into the socket outlet and the TV is turned on.• Check the Picture Menu (p. 31, 33) and volume.• Check all required cables and connections are firmly in place.Auto aspect• Auto aspect is designed to provide you with the best ratio to fill the screen. (p. 82)• Press the ASPECT button if you would like to change the aspect ratio manually. (p. 21)Black and white picture• Check that the output of the external equipment matches the input of the TV.When connecting with SCART, ensure the output setting of the external equipment is not S-Video.Input mode, i.e. EC/AV1 remains on the screen• Press the button to clear these.Press again to redisplay.Q-Link function does not work• Confirm SCART cable and connection.Also set [AV1 out] in the Setup Menu. (p. 35)[VIERA Link] function does not work and an error message appears• Confirm the connection. (p. 70, 71)• Turn the connected equipment on and then switch the TV on. (p. 73)Recording does not start immediately• Check the settings of the recorder. For details, read the manual of the recorder.Contrast is reduced• Contrast is lowered in the following conditions without any user operation for a few minutes :• no signal in DVB or AV mode• selected locked channel• selected invalid channel• selected radio channel• displayed menu• thumbnail or still picture in Media Player