19" TFT LCD TV CTV 4870 LCD
THE CAUSES OF INTERFERENCE
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The causes of interference
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Incorporated in your TV receiver are the most up-to-date devices to
eliminate interference. Local radiation however, can create
disturbances which visibly affect your picture. Proper installation, a
good aerial are your best safe-guards against these disturbances.
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RF interference
Moving ripples across the screen are caused by nearby
transmitting or receiving short-wave radio equipment.
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Diathermy
Herringbone pattern and partial picture loss can result from the
operation of diathermy equipment from a nearby doctor
surgery or hospital.
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Snow
Weak TV signals from long distant stations result in an instead
picture and give the effect of falling snow. An antenna
adjustment or antenna amplifier may be needed.
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Ghost
Multiple image caused by TV signals reflected back from
surrounding buildings, hills, aircraft, ect. Is minimized by correct
aerial positioning.
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Car ignition
Nearby cars and electrical motors can cause small streaks
across the picture or make the picture roll.
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