VDO MR6000 Owner's Manual And Mounting Instructions page 36

Fault
Picture distortion
during television
reception.
Shadows or double
images during televi-
sion reception.
Stripes or dots during
television reception.
Red, green and blue
dots in the picture.
36
Cause
Adverse reception conditions
Adverse reception conditions
Interference
Individual pixels inactive in LCD.
Remedy
Reception signals are reflected by hills, buildings etc. Check
again at a location with good reception conditions.
Reflection of the signals by hills or buildings can result in
multipath reception. Check again after changing the location
or the alignment.
Vehicles, trams, power lines, neon signs etc. can interfere with
television reception. Check again after changing the location.
Not a fault but typical for liquid crystal displays (LCD).
(Displays are manufactured with exceptional precision. In
general, 99.99% of all screen dots (pixel) are normally
activated and only 0.01% are defective.)