Audiovox FP1520 - Manual (Page 41)

Troubleshooting
Interference
Please note the following common TV reception interferences:
Ignition effect
Black spots or vertical lines may appear. Screen jumps crazily or is very unstable.
This is commonly the result of car ignition system interference, neon lights, or other
forms of electrical interferences.
Ghost Shadows
This is the result of two signals : One being the original signal from the
antenna while the 2nd signal is a slightly delayed signal, normally the result of
bouncing off tall buildings or other obstructions. This problem might be corrected by
adjusting your outdoor antenna.
Flurries
Lots of tiny dots appears on your screen. This is the result of poor reception signals.
You may have to re-enforce your antenna signals.
note: If interferences occur while you are using a cable system, then the problem could be at the
cable source and not from your TV reception.
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