LG LAM770T1 Owner's Manual page 23

These cases are not the trouble.
Under following cases, it is difficult to watch TV because TV receiving signal is
bad.
Screen
Sound
It noises.
Environment
Screen
Sound It noises.
Environment
Troubleshooting
Shaking
Between Buildings
At an airplane or a
train passing
nearby
Field gets bad
gradually.
Color appears or
disappears.
In the mountain or
forest
Far away from a
radio station
In the neighborhood of a radio broadcasting or the
transmission antenna of an amateur radio station.
23
Faded in
double or triple
It noises.
A power cable
nearby
Deep in the moun-
tains
Screen is
spotted.
Stripes appear.
It noises.
A automobile
A motorcycle
A high tension wire
A neon sign nearby