The Causes Of Interference - AEG CTV 4849 LCD Operating Instructions Manual

19" TFT LCD TV CTV 4849 LCD

THE CAUSES OF INTERFERENCE

10 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.
RF interference
Moving ripples across the screen are caused by nearby
transmitting or receiving short-wave radio equipment.
Diathermy
Herringbone pattern and partial picture loss can result from the
operation of diathermy equipment from a nearby doctor
surgery or hospital.
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.
Ghost
Multiple image caused by TV signals reflected back from
surrounding buildings, hills, aircraft, ect. Is minimized by correct
aerial positioning.
Car ignition
Nearby cars and electrical motors can cause small streaks
across the picture or make the picture roll.
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