Inspection And Maintenance; Camera Head Section; Phenomena Peculiar To Ccds - JVC DZ-VCA3U Instructions Manual

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Precautions (Continued)

Inspection and maintenance

The product and its components must be inspected
regularly by a specialist. (The product should be inspected
once a year).

Camera Head Section

1. Leave installation of the product to a specially trained
service personnel.
2. Connect the optional endoscope adapter DZ-E3U or
DZ-E33U to lens mount of camera head.
Remove the cap from the lens mount (when cap is con-
nected to the lens mount), align the screws of lens mount
and endoscope adapter and turn the lens mount clockwise
to tighten it.
3. When the equipment is purchased, it is not yet sterilized.
Endoscope adapter, camera head, and cable have to be
sterilized at the hospital before use. For the method and
condition of sterilization, refer to page 6.
4. The lens of the endoscope adapter may get clouded with
moisture due to the difference in the external and internal
temperature/humidity. When this happens, sterilize and
remove the moisture collected at the lens of the
endoscope adapter with a sterile swab.
To Camera control unit

Phenomena peculiar to CCDs

The following CCD-related phenomena may appear on the
view screen during shooting.
These are caused by the CCD and are not malfunctions.
Smear Phenomenon
Occurs when a luminescent subject is captured.
Line Distortion
Striped patterns or lines appear as jagged patterns.
White or colored luminescent spot
When this unit is operated for a long time under high temperature,
a white or colored luminescent spot may appear on the screen.
In this case, it is necessary to lower the environmental operating
temperature (refer to page 20 ).
Pale, vertical streaks
appear in the picture.
High-intensity subject
(electric light, lamp,
the sunlight, etc.)


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