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Hitachi UltraVision 42HDX62 Operating Manual page 95

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IGNITION NOISE:
Black s pots orhorizontal
streaks may appear, picture m ay flutter ordrift.
Usually caused byinterference
from automobile
ignition systems, neon l amps,
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 tall 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
several sets to the same antenna
without
using multiple
antenna
couplers.
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 small dots.
When the signal is extremely
weak, it may be necessary
to install a special
antenna
to improve
the picture.
RADIO
FREQUENCY
INTERFERENCE:
• RADIO FREQUENCY
INTERFERENCE:
The interference
produces
moving
ripples
or diagonal
streaks,
and in some
cases,
causes loss of contrast
in the picture.
• PREVENTION
OF AN OBSTACLE
TO RADIO RECEIVERS
This television
has been designed
pursuant
to the FCC class B Rules. This is to prevent a problem
to Radio
receivers.
If this television
causes a problem
to Radio receivers, then take the following
steps:
- Keep the television
away from Radio.
- Adjust
Radio antennas in order for the television
not to receive interference.
- The antenna cable of Radio should
be kept away from the television.
- Use a coaxial cable for antenna.
You can check if this television
influences
Radio receivers
by turning
off all other equipment
other than the television.
If you find a problem receiving
Radio when using the television,
check the instructions
mentioned
above.
BLOCK
NOISE (DIGITAL
INPUT):
Fuzzy blocks
may appear
in some area or the whole area of the screen. This is
usually caused
by interference
from automobile
ignition
systems,
neon lamps,
electrical
drills, ghosting
of the image and weak signals.
BLACK
SCREEN:
When using an antenna,
weak signals will display a black
screen. It may be
necessary
to upgrade
your antenna.
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.
95

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