Hitachi 46F500A Operating Manual page 60

Projection colot tv
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Rece tion Problems
J
IGNITION NOISE:
Black spots or horizontal streaks may appear, picture may flutter or drift,
Usually caused by interference
from automobile
ignition systems, neon
lamps, electrical drills, and other electrical appliances,
GHOSTS:
Ghosts are caused by the television signal following two paths, One is the
direct path and the other is reflected from talI buildings, hills or some other
objects,
Changing the direction or position of the antenna may improve
reception, Ghosting may also be caused by defects in the antenna system
such as unshielded leads or connecting severat sets to the same antenna
without using multiple antenna couplers,
o SNOW:
If your receiver is located in the fringe area of a television station where
the signal is weak, your picture may be marred by the appearance of smalI
dots, When the signal is extremely weak, it may be necessary to install a
special antenna to improve the picture,
o RADIO FREQUENCY
INTERFERENCE:
The interference
produces
moving ripples
or diagonal
streaks, and in
some cases, causes loss of contrast in the picture,
NOTE:
The TV set can generate sound distortion in external devices such as a radio,
Please separate radio equipment from
the TV set to a considerable
distance,
6O

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