Hitachi V-21W - Manual (Page 16)

5
Note when using
NOTE
CCD characteristic phenomena
The following types of phenomena are innate characteristics of a charge
coupled device (CCD) and are not malfunctions. Be aware of these when
using a CCD camera for broadcast or other demanding applications.
Smear
When a bright object is picked up, thin trails appear above and below the image.
The effect is more pronounced at high electronic shutter speeds.
Fixed pattern
When operate at high temperature, a fixed pattern (vertical stripes, white dots)
can appear. The pattern is more easily seen when the camera sensitivity is raised.