Panasonic TX-L50E6B 操作指南

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页码 190
- 177 -
Digital TV
Before requesting service or assistance, please follow these simple guides to 
solve the problem.
If the problem still persists, please contact your local Panasonic dealer for 
assistance.
Block noise, frozen or disappearing image occurs / Some channels cannot be 
tuned
 
Check the position, direction and connection of the aerial.
 
Check 
Signal Condition
. If 
Signal Quality
 is displayed in red, the DVB 
signal is weak. Connecting the aerial to the TV directly may improve signal 
quality than connecting the aerial through the equipment (set top box, 
DVD, etc.).
 
Weather conditions will affect signal reception (heavy rain, snow, etc.), 
in particular in poor reception areas. Even during good 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 Mains power On / Off switch, and then on again.
 
If the problem persists, consult your local dealer or service provider for the 
availability of services.
No programmes shown on TV Guide
 
Check the digital transmission by contacting Digital UK on 08456 50 50 50 
or at the following website.
www.digitaluk.co.uk
 
Consult an aerial engineer to check the alignment of your aerial.