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The causes of interference – Hyundai H-LCD3200 User Manual

Page 19

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The causes of interference

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 installations, a good aerial are
your best safeguards 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's 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, etc. 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.