JVC KV-C10 Instructions Manual page 22

In the following environments, the image quality may be impaired.
Movement
Doubling and tripling of
images (ghosts)
Image quality gradually
worsens and color instability
(displayed and then disappear)
Spots appear on the screen
Color patterns appear on the
screen; colors are lost
22
Between buildings
Interference Near electricity
occurs
transmission wires
Mountain or tree shadow
Interference
occurs
Near an automobile, motor bike, high-voltage wires or a neon sign
Normal
sound
Near the transmission antenna of a radio station or an amateur
wireless station, or when a wireless device is being used in a
vehicle
Normal
sound
A plane flies overhead
A train passes close by
Mountain shadow
Distance from the broadcast
station