Troubleshooting
In DVB-T mode
Some Problems will only occur when viewing DVB channels.
Due to the different techniques involved in digital reception, DVB signal quality can be poor even if you appear to have a strong signal when viewing analogue programmes.
The DVB system requires a good quality signal to provide the best picture.When viewing analogue pictures, interference such as signal reflection from nearby buildings or mountains causes ‘ghosting’, but still provides a viewable picture. For the DVB system, Interference such as this can disrupt the flow of data causing the picture to appear to be made up of large blocks, or to freeze intermittently. If the picture disappears completely, this could mean that signal quality is very poor. If this happens often, you may need to improve your aerial system to provide a better signal.This TV contains a complex microprocessor which enables you to view enhanced digital services. Occasionally this device may need to be reset.This can be done by pressing the
SYMPTOM
CHECKS
No DVB Channels listed in the TV Guide after Auto Setup.
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| Check that DVB transmissions are available from |
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| the transmitter you are currently using. If not, try |
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| directing the aerial at another local transmitter. |
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| Check analogue transmissions. If picture quality |
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| is poor, you will need to improve or change your |
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| aerial system to receive DVB channels. Consult a |
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| local installer. |
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| Go to |
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| User Profile |
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| Exit |
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Blocky interference.
Picture freezes intermittently.
Blocky interference indicates that the signal qual- ity is poor.
You should consider improving your aerial sys- tem.
To check the quality of your signal use the Signal Quality feature (See page 50)
41 | ITV News | NO SIGNAL | 08:49 | |||
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Subtitle OFF
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