BenQ DV3250, Руководство пользователя

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Troubleshooting 38
En
gli
sh
Antenna
There is no picture or sound,
just noise.
• Make sure the antenna cable is properly connected.
• Change channels to confirm if the symptom is still present.
Picture is not clear.
• Make sure the antenna cable is properly connected.
• Change channels to confirm if the symptom is still present.
• If PC is selected as the input signal source, use the Auto
function in the PC Menu to let the TV adjust picture auto-
matically.
No sound.
• Check whether you have selected Mute for Audio setting.
• Make sure the volume is not set to minimum.
• Check the AV cables for disconnection.
Symptoms Possible Causes
The picture is not sharp or the
picture moves contains image
movement.
• The reception may be weak.
• Change channels to confirm if the symptom is still present.
• Make sure the outside antenna is not disconnected.
• Make sure the antenna is facing the right direction.
The picture is doubled or tripled
• Make sure the antenna is facing the right direction.
• Picture ghosting is caused by reflections from buildings,
large metal structures and mountains. Carefully realign
your antenna to minimise the ghost images. Ultimately a
higher quality antenna professionally installed may be
necessary to reduce the ghosting.
The picture is spotted
• There may be interference from automobiles, trains, high
voltage lines, neon lights, etc.
• There may be interference between the antenna cable and
power cable. Try positioning them further apart.
There are stripes on the screen or
colours fade
• Is the display receiving interference from other devices?
Transmission antennas of radio broadcasting stations and
transmission antennas of amateur radios and cellular
phones may also cause interference.
• Use the display as far away as possible from devices that
may cause possible interference.