Reception Disturbances - JVC AV-20FD24 User Manual

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Reception disturbances
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. The most common types of television
interference are shown below. If one of these symptoms appear when the TV/DVD is connected to a Cable
TV system, the disturbance may be caused by the local Cable TV company broadcast.
GHOSTS
Ghosts are caused by the television signal following two paths. One is
the direct path and the other is reflected by tall buildings, hills or other
large objects. Changing the direction or position of the antenna may
improve the reception.
SNOW
If the TV/VCR is located far from the TV station, in a fringe reception
area where the signal is weak, small dots may appear in the picture.
If the signal is extremely weak, the installation of a larger external
antenna may be necessary.
RADIO FREQUENCY
INTERFERENCE
(RFI)
Caused by two-way radios, this type of interference produces moving
ripples or diagonal streaks in the picture. Some cases may cause a
loss of contrast in the picture. Changing the direction and position of
the antenna or installing an RFI filter may improve the picture.
PICTURE
SIZE VARIATION
A slight picture size variation is normal when you adjust the CONTRAST
or BRIGHTNESS
settings.
CARE AND MAINTENANCE
To prevent fire or shock hazard, disconnect the TV/DVD from the power source before cleaning.
The finish on the cabinet may be cleaned with mild soap and a soft, damp cloth and cared for as other furniture.
Use caution when cleaning or wiping the plastic pads.
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