Dynex DX-R20TV - Manual (Page 42)

42 Troubleshooting
Poor reception
Most types of television interference can be corrected by adjusting the height and position of
the VHF/UHF antenna. Outdoor antennas are recommended for best results, if you are not
using a cable or satellite service. The most common types of television interference are
shown here. If one of these symptoms appear when the TV is connected to a Cable TV
system, the disturbance may be caused by the local cable company broadcast.
Ignition - caused by interference
from automobile ignitions, neon
lights, electric drills, and other
appliances.
Ghosts - caused by the television
signal following two paths, such as
when the signal is reflected from
tall buildings, hills, or other objects.
Snow - caused by the television
being located in a fringe area where
the signal is weak.
Radio frequency interference -
caused by the presence of
unshielded sources of radio signals.