Emerson SB351 - Manual (Page 39)

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Most types of television interference can be remedied by adjusting the height and position of the VHF/UHF antenna.
Outdoor antennas are recommended for best results if not using cable or a satellite. The most common types of
television interference are shown below. 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:
Black spots or horizontal streaks may appear, picture may flutter or drift.
Usually caused by interference from automobile ignition systems, neon
lamps, electric drills and other electric 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 other
objects. Changing the direction or position of the antenna may improve the
reception.
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 an external
antenna to improve the picture.
RADIO FREQUENCY INTERFERENCE:
This interference produces moving ripples or diagonal streaks, and in some
cases, causes loss of contrast in the picture.
PICTURE SIZE VARIATION:
A slight picture size variation is quite normal when you adjust the
CONTRAST or BRIGHTNESS setting.
RECEPTION DISTURBANCES
TO FIND THE LOCATION AND PHONE
NUMBER OF YOUR NEAREST SERVICE
CENTER PERMITTED TO PERFORM
WARRANTY...
SERVICE
CALL TOLL FREE: 1-800-695-0098
FOR ADDITIONAL SET-UP OR OPERATING ASSISTANCE
PLEASE CALL:
1-800-898-9020
FOR CUSTOMER SERVICE, PLEASE SEND TO:
Emerson Radio Corp.
Consumer Affairs Dept.
5101 Statesman Drive,
Irving, TX 75063.