The picture is jittery, The picture has double or triple image, The picture is spotty – VIEWSONIC VS11857 User Manual
Page 45: There are stripes on the screen or colours fade
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ViewSonic
CD3200 42
The picture is jittery.
z
Make sure the LCD isn’t near Microwave Oven or other equipment.
The picture has double or triple image.
z
There may be reflected signals from mountains or buildings.
The picture is spotty.
z
There may be interference from automobiles,trains, high voltage lines, neon light, etc.
There are stripes on the screen or colours fade.
z
Is the unit receiving interference from other devices?
Transmission of radio broadcasting station and transmission of amateur radio and cellular
phones may also cause interference.
z
Place the unit as far apart as possible from devices that may cause possible interference.
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