Bedienungsanleitung BenQ dv 3251 (Seite 49 von 50) (Englisch)

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Reference 45

English

Antenna

Remote control does not

function properly

• Check for incorrect battery orientation.

• Check for dead batteries

• Check your distance and angle from the display.

• Check whether remote control is properly being pointed at

the display's remote control sensor window.

• Check for any obstacle between the remote control and the

remote control sensor window.

• Check that the remote control sensor window is not under

strong fluorescent lighting.

• Check for any devices (PC or personal digital assistant,

PDA) nearby that transmit infrared signal which may cause

interference to signal transmission between the remote

control and the LCD display. Turn off the infrared function

of these devices.

There is no picture or sound,

just noise.

• Make sure the antenna cable is properly connected.

• Change programs to confirm if the symptom is still present.

Picture is not clear.

• Make sure the antenna cable is properly connected.

• Change programs to confirm if the symptom is still present.

• If PC is selected as the input signal source, use the Auto

function in the Picture Menu to let the display adjust

picture automatically. Select Real as the display aspect ratio.

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.

• Check to see that the Speaker Out option is set to 'Off' in

the Audio menu.

Symptoms Possible Causes

The picture is not sharp or the

picture contains image

movement.

• The reception may be weak.

• Change programs 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.

If the antenna is exterior, have a suitable qualified and

experienced antenna specialist adjust the antenna.

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 faded

• 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.

DV3251-En.book Page 45 Monday, December 12, 2005 4:07 PM

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